JP2003131529A - Image forming apparatus, control method for image forming apparatus, program, and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely eliminate unnecessary printing to a reverse surface while preventing an error in reading and image formation by eliminating switching processing for complicated read-in control in a job for both-surface copying job including index paper from a document including the index paper by enabling both-surface and one-surface mixed copying in which both-surface copying is performed for rectangular paper and one-surface copying is performed for the index paper. SOLUTION: In index paper mixed both-surface copy mode wherein both ordinary both-surface documents and one-surface documents for index paper are handled, a print control means 106 reads in both surfaces of all the documents by using a document read means 101, and an image forming means 108 and a recording paper inverting means 109 are so controlled according to the insertion position of a one-surface document among the documents including the both-surface documents and one-surface documents that the both-surface image formation and one-surface image formation are switched.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus, and more particularly, to an image forming apparatus and an image forming apparatus capable of executing a copy job in which a rectangular sheet and a sheet having protrusions are mixed as a sheet to be printed. The present invention relates to a control method, a program, and a storage medium.

[0002]

2. Description of the Related Art Conventionally, in an image forming apparatus having a double-sided printing function of this kind, when printing a paper having protrusions at the ends like index paper, there are problems such as detection of the leading edge of the paper and stability of paper transportation. In general, automatic double-sided printing is difficult.

Further, since the main purpose of the index paper is to print on the area of the projections, the necessity of printing on the back surface of the index paper is low, and it is often convenient not to print.

However, if the originals include index papers or rectangular papers for printing on index papers and rectangular double-sided papers for printing on rectangular papers, it is impossible to perform double-sided printing on the index papers. In this case, it takes time and effort to manually separate a part to be printed on a rectangular paper and a part to be printed on an index paper to make a copy, and then manually combine the parts again after copying.

On the other hand, even if double-sided printing of the index sheet is possible, it is not necessary to print on the back side of the index sheet, but stains on the back side of the document are also printed on the index sheet as they are. Therefore, JP-A-3
It has been proposed that the method described in Japanese Patent Laid-Open No. 181955/1989 allows copying even with mixed originals.

[0006]

However, Japanese Patent Application Laid-Open No. 3-1 is used.
In the method disclosed in Japanese Patent No. 81955, only one side of the original to be printed on the index sheet is read, and both sides of the other original are read. Therefore, the switching process of the read control becomes complicated. However, there is a problem that a document jam or a reading error is likely to occur during reading.

Further, when the read image information is not immediately printed but is once stored in a recording device such as an HDD and then trial printed on rectangular paper, or when the image information is transmitted as electronic data to the outside of the image forming apparatus, etc. Considering the above, reading one side of a manuscript is not always the best way.

The present invention has been made to solve the above problems, and an object of the present invention is to copy all originals in a copy job in which a normal double-sided original and a single-sided original for index paper are mixed. Double-sided scanning is performed, and switching control is performed between double-sided image formation and single-sided image formation based on the insertion position of the single-sided document in the document in which the double-sided document and the single-sided document are mixed. Enables double-sided single-sided mixed copying called single-sided copying, and eliminates complicated reading control switching processing and prevents errors during reading and image formation in double-sided copy jobs that include index sheets and originals. Image forming apparatus capable of reliably eliminating unnecessary printing on the back side, control method of image forming apparatus, program, and storage medium It is to provide a.

[0009]

According to a first aspect of the present invention, in an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, both sides of a rectangular recording medium are formed. On the other hand, input means for inputting a copy job of an original in which a double-sided original for forming an image and a single-sided original for forming an image on the surface of a recording medium having protrusions are input (on the LCD 1304 of the operation unit 103 shown in FIG. 6). (The index paper mixed duplex copy mode is set by the key displayed in, and the start key 1302 shown in FIG. 6 is pressed.)
In the copy job input by the input means,
A control unit (shown in FIG. 1) that performs double-sided scanning on all originals and controls switching between double-sided image formation and single-sided image formation based on the insertion position of the single-sided original in the original in which the double-sided original and the single-sided original are mixed. Print control means, CPU shown in FIG.
301) and are included.

A second aspect of the present invention is for forming an image on both sides of a rectangular recording medium in an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of the recording medium. Input means for inputting a copy job of an original in which both double-sided originals and single-sided originals for forming an image on the surface of a recording medium having protrusions are input (by a key displayed on the LCD 1304 of the operation unit 103 shown in FIG. 6). When the index paper mixed double-sided copy mode is set and the start key 1302 shown in FIG. 6 is pressed down), in the copy job input by the inputting unit, double-sided reading is performed on all originals to form a rectangular recording medium. On the other hand, double-sided image formation is performed based on the image information of the read double-sided document, and an image of the front side of the read single-sided document is formed on the surface of the recording medium having protrusions. A control unit (a print control unit shown in FIG. 1, a CPU 301 shown in FIG. 3) that controls the image formation based on the information so that the image formation is not performed on the back surface of the recording medium having the protrusions. It is characterized by having.

According to a third aspect of the present invention, an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium forms an image on both sides of a rectangular recording medium. Input means for inputting a copy job of an original in which both double-sided originals and single-sided originals for forming an image on the surface of a recording medium having protrusions are input (by a key displayed on the LCD 1304 of the operation unit 103 shown in FIG. 6). When the index paper mixed double-sided copy mode is set and the start key 1302 shown in FIG. 6 is pressed down), in the copy job input by the inputting unit, double-sided reading is performed on all originals to form a rectangular recording medium. On the other hand, double-sided image formation is performed based on the image information of the read double-sided original, and for the surface of the recording medium having protrusions, the image information of the front side of the single-sided original read. Image forming control based on the image information of blank white paper on the back surface of the recording medium having protrusions (print control means shown in FIG. 1, FIG. 3). CPU 301 shown)
And having.

According to a fourth aspect of the present invention, the control means shifts the image forming position by a first shift amount when the image is formed on the surface of the recording medium having the protrusions. It is characterized in that an image is formed on the surface.

A fifth aspect of the present invention is an image forming position shift amount instruction means for indicating the first shift amount (index sheet division number setting screen 9200 shown in FIG. 7, image movement amount setting shown in FIG. 8). A screen 9300) is provided.

According to a sixth aspect of the present invention, the copy job input by the input means is a recording medium having a rectangular double-sided original for forming an image on both sides of a rectangular recording medium and a recording medium having a protrusion. Copying job of a document in which a rectangular single-sided document for forming an image on the front surface is mixed (schematic diagram shown in FIG. 5)
Is characterized in that.

According to a seventh aspect of the present invention, the copy job input by the input means is only a single-sided rectangular recording medium having projections and a rectangular double-sided original for forming images on both sides of the rectangular recording medium. It is a copy job (schematic diagram shown in FIG. 13) in which one-sided originals having protrusions for image formation are mixed.

According to an eighth aspect of the present invention, in the original reading for reading both sides of all the originals of the copy job input by the inputting means, only the single-sided original having the protrusion is read. Second reading position
It is characterized in that it is shifted by the amount of deviation.

A ninth invention according to the present invention is a reading position deviation amount instruction means for instructing the second deviation amount (index sheet division number setting screen 9200 shown in FIG. 7, image movement amount setting screen shown in FIG. 8). (Not shown screen similar to 9300)
Is provided.

A tenth invention according to the present invention is a single-sided document position designating means (designated as a projection-ant recording paper position designation in FIG. 1) for designating an insertion position of a single-sided document in a document in which the double-sided document and the single-sided document are mixed. Means 104, and an index insert position setting screen 9400 shown in FIG. 9 is provided.

An eleventh invention according to the present invention is a document reading means capable of reading both sides of a rectangular document placed on a document table and converting it into image information (the document reading means 101 shown in FIG. 1,
(A reading portion of the digital copying machine 100 shown in FIG. 2),
Storage means capable of storing the image information read by the document reading means (image storage means 105 shown in FIG. 1, FIG.
Image memory 307) and an image forming unit capable of forming an image of the image information stored in the storage unit on a recording sheet (printing unit 308 shown in FIG. 3, image forming portion of the digital copying machine 100 shown in FIG. 2). ) And a plurality of paper feed stages capable of storing various recording media including recording media having protrusions,
Paper feeding means for feeding recording paper to the image forming means (paper feeding means 107 shown in FIG. 1, digital copying machine 100 shown in FIG. 2)
Reversing the cassette decks 221 to 224, the deck 250, and the multi-manual feed 254) and the recording surface of the recording medium after the image formation by the image forming means and re-feeding the recording paper to the image forming means. Means (recording paper reversing means 109 shown in FIG. 1, paper discharge flapper 237 of digital copying machine 100 shown in FIG. 2, transport path 238, reversing path 23
9, a lower conveyance path 240, a re-feeding path 241, a reversing roller 245).

A twelfth aspect of the present invention is a control method of an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium. An input step of inputting a copy job of an original in which a double-sided original for forming and a single-sided original for forming an image on the surface of a recording medium having protrusions are mixed (FIG. 1).
0 instruction to start steps S501 to S503, FIG.
1 and the instruction to start Steps S801 to S803), and in the input copy job, both sides of all originals are read (Steps S503, S504, and FIG.
Steps S803 to S810 of 4), a switching step for switching between double-sided image formation and single-sided image formation based on the insertion position of the single-sided original in the original in which the double-sided original and the single-sided original are mixed (steps S507 to S507 in FIG. 10, FIG. 15). S510, S
513 to S515).

A thirteenth aspect of the present invention is a control method of an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, wherein an image is formed on both sides of a rectangular recording medium. An input step of inputting a copy job of an original in which a double-sided original for forming and a single-sided original for forming an image on the surface of a recording medium having protrusions are mixed (FIG. 1).
0, an instruction to start reading in steps S501 to S503, an instruction to start in steps S801 to S803 in FIG. 14), and a reading step for performing double-sided reading for all originals in the input copy job (see FIG. 10). Steps S503, S504, steps S803 to S8 in FIG.
10), and a first image forming step for forming a double-sided image on the rectangular recording medium based on the read image information of the double-sided original (steps S508 to S51 in FIGS. 10 and 15).
0), the image is formed on the front surface of the recording medium having the protrusion based on the image information of the front surface of the read single-sided original, and the image is not formed on the rear surface of the recording medium having the protrusion. It is characterized by having two image forming steps (steps S513 to S515 in FIGS. 10 and 15).

A fourteenth aspect of the present invention is a control method of an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium. An input step of inputting a copy job of an original in which a double-sided original for forming and a single-sided original for forming an image on the surface of a recording medium having protrusions are mixed (FIG. 1).
2) and the reading step (step S503 in FIG. 12) of performing double-sided reading on all the originals in the input copy job.
S504) and a first image forming step of forming a double-sided image on the rectangular recording medium based on the read image information of the double-sided original (steps S704 and S708 in FIG. 12).
For the front surface of the recording medium having protrusions, image formation is performed based on the image information of the front side of the read single-sided original, and for the back surface of the recording medium having protrusions, the image is formed based on the blank image information. Second image forming step of forming (FIG. 12)
And steps S705, S709, and S710).

In a fifteenth aspect of the present invention, the copy job input in the input step is a recording medium having a rectangular double-sided original for forming an image on both sides of a rectangular recording medium and a recording medium having protrusions. This is a copy job (FIG. 5) of a document in which a rectangular one-sided document for forming an image on the front surface is mixed.

In a sixteenth aspect of the present invention, the copy job input in the job input step is a one-sided recording medium having rectangular double-sided originals and protrusions for forming images on both sides of the rectangular recording medium. It is characterized in that it is a copy job (FIG. 13) in which there is a mixture of single-sided originals having projections for image formation only.

The seventeenth invention according to the present invention is the claim 12
To 16 are programs for executing the image forming apparatus control method described in any one of 1 to 16 above.

The eighteenth invention according to the present invention is claim 12.
To 16 are stored in a storage medium readable by a computer to execute a program for controlling the image forming apparatus.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] A digital copying machine will be described below as an example of an image forming apparatus according to the present invention.

FIG. 1 is a block diagram showing the functional arrangement of a digital copying machine to which the image forming apparatus 100 according to the first embodiment of the present invention can be applied.

In FIG. 1, 101 is an original reading means,
Scan both sides of a stack of documents on the platen. An image processing unit 102 performs image processing on the digital image information read by the document reading unit 101. Here, the image processing indicates all the functions necessary for copying such as shading, background removal, reduction / enlargement, and rotational deformation.

Reference numeral 103 denotes an operation unit, which is used to display the general operating state of the copying apparatus and to allow the user to make various settings in the copying apparatus, the details of which will be described later with reference to FIG. Reference numeral 104 denotes a recording sheet position indicating means with a projection, which is based on an operation designated by the operation unit 103.
Reference numeral 02 designates the position of the document to be recorded on the recording paper (recording medium) having the projections in the document bundle, the details of which will be shown in FIGS. 7, 8 and 9 described later.

Reference numeral 105 denotes an image storage means, which is an image processing means 1.
The digital image information processed in 02 is stored. 106
Is a print control means, which receives the digital image information after the necessary image processing is performed by the image processing means 102 and prints. In the print control unit 106, a laser output is turned on / off for a sheet feeding unit 107 for feeding a rectangular sheet or a recording sheet having a protrusion, and a recording sheet (recording medium) fed from the sheet feeding unit 107. , An image forming means 108 for forming an image on one side of the recording paper by performing high-voltage output,
Printing on the recording paper is performed by controlling the recording paper reversing means 109 and the like which reverses the recording surface of the recording paper on which one side of the image is formed by the image forming means 108 and re-feeds it to the image forming means 108.

FIG. 2 is a sectional view showing the general structure of the digital copying machine shown in FIG.

In the figure, 280 is an automatic document feeder (DF).

In the digital copying machine 100, 201 is a platen glass as a document placing table. A scanner 202 includes a document illumination lamp 203 and a scanning mirror 204. The scanner 202 is reciprocally scanned in a predetermined direction by a motor (not shown), and the reflected light of the original is transmitted through the lens 207 through the scanning mirrors 204 to 206 and forms an image on the CCD sensor in the image sensor unit 208.

Reference numeral 209 denotes an exposure control section composed of a laser, a polygon scanner, etc., which is a laser beam converted into an electric signal by the image sensor section 208 and modulated based on an image signal which has been subjected to predetermined image processing described later. The photosensitive drum 211 is irradiated with 219. Around the photosensitive drum 211, a primary charger 212, a developing device 213, and a transfer charger 21.
6, a pre-exposure lamp 214 and a cleaning device 215 are provided.

In the image forming section 210, the photosensitive drum 211 is rotated in the direction of arrow A shown in the figure by a motor (not shown), and after being charged to a desired potential by the primary charger 212, the exposure control section Laser light 219 from 209 is irradiated, and an electrostatic latent image is formed. Photoconductor drum 211
The electrostatic latent image formed above is developed by the developing device 213 and visualized as a toner image.

On the other hand, the pickup rollers 225, 226, 2 from the right cassette deck 221, the left cassette deck 222, the upper cassette 223 or the lower cassette 224.
The recording paper (recording medium) fed by 27 and 228 is
Paper feed rollers 229, 230, 231, 232 feed the main body of the digital copying machine 100 (hereinafter simply referred to as a main body), registration rollers 233 feed the transfer belt, and a toner image visualized is transferred by a transfer charger 216. Transferred to recording paper. After the transfer, the photoconductor drum 211 is cleaned of residual toner by the cleaning device 215, and the residual charge is erased by the pre-exposure lamp 214. The recording paper after the transfer is transferred to the photosensitive drum 2 by the separation charger 217.
11 and separated by the transfer belt 234
Sent to 35. In the fixing device 235, fixing is performed by pressurization and heating, and the discharging roller 236 discharges the toner to the outside of the main body.

The main body is equipped with a deck 250 capable of accommodating, for example, 4000 sheets of recording paper. Deck 250
The lifter 251 rises according to the amount of recording paper so that the recording paper always contacts the pickup roller 252, and the recording paper is sent to the main body by the paper feed roller 253. Also,
It is equipped with a multi-purpose manual feeder 254 capable of storing 100 sheets of recording paper. The cassette decks 221 to 22
The index paper can be fed from any one of the 4, deck 250, and multi-manual feed 254.

Further, reference numeral 237 is a paper discharge flapper, which switches between the transport path 238 side and the discharge path 243 side. Two
A lower transport path 40 guides the recording paper sent from the paper discharge roller 236 to the re-feed path 241 by reversing the recording paper via the reversing path 239. The recording paper fed by the paper feed roller 230 from the left cassette deck 222 is also guided to the re-feed path 241. The reference numeral 242 designates the recording paper as the image forming unit 2.
10 is a sheet re-feeding roller that re-feeds sheet 10.

Numeral 244 designates a discharge roller, which is a discharge flapper 23.
The recording paper, which is arranged in the vicinity of 7 and switched to the discharge path 243 side by the paper discharge flapper 237, is discharged to the outside of the machine. During double-sided recording (double-sided copying), the paper ejection flapper 23
7 to the upper side to transfer the copied recording paper to the transport path 23.
8, the reversing path 239, and the lower conveying path 240 to guide to the re-feeding path 241. At this time, the trailing edge of the recording sheet is completely removed from the transport path 238 by the reversing roller 245, and is pulled into the reversing path 239 to a position where the recording sheet is caught by the reversing roller 245, and the reversing roller 245 is reversed to convey the sheet. Send to path 240. Note that the index sheet can also be reversed and re-fed.

When reversing and ejecting the recording paper from the main body, the paper ejection flapper 237 is raised and the reversing roller 24
5, the trailing edge of the recording sheet is pulled to the reversing path 239 to a position where the trailing edge of the recording sheet remains on the conveying path 238, and the reversing roller 24
By reversing 5 the recording paper is turned over and sent to the discharge roller 244 side.

A paper discharge processing device 290 is for closing the recording papers discharged from the main body, and stacks the recording papers discharged one by one on the processing tray 294. When the discharge of part of the image formation is completed, the bundle of recording sheets is stapled and discharged as a bundle to the discharge tray 292 or 293. The paper discharge tray 293 is controlled to move up and down by a motor (not shown), moves to the position of the processing tray 294 before the start of the image forming operation, and thereafter, the height of the paper surface is increased as the discharged recording papers are stacked. Moves to the position of the processing tray 294.

Further, a tray lower limit sensor (not shown) provided in the paper discharge processing device is for detecting the lower limit of the paper discharge tray 293, and the paper discharge tray 293 has a capacity of about 200.
The detection is made when 0 sheets of recording paper are stacked. Numeral 291 is a paper tray for stacking separator sheets to be inserted between the discharged recording paper sheets. Numeral 295 is a Z-folding machine for folding the discharged recording paper into Z-folds. A bookbinding machine 296 performs bookbinding by collectively folding a part of the ejected recording paper sheets and performing stapling, and the bound paper bundle is ejected to an ejection tray 297.

FIG. 3 shows the digital copying machine 10 shown in FIG.
3 is a control block diagram showing the configuration within 0. FIG.

In the figure, reference numeral 301 denotes a CPU, which performs basic control of the digital copying machine 100, an input / output port 302, and a ROM 303 in which a control program is written.
A work area RAM 304 for performing processing is connected by an address bus and a data bus.

Input / output ports 302 include inputs (not shown) such as various loads (not shown) such as motors, solenoids and clutches required to control the digital copying machine, a sensor for detecting the position of the paper, and a temperature sensor. Are connected.

The CPU 301 controls the input / output port 30 according to the contents of the ROM 303 or other storage medium (not shown).
Input / output control is sequentially performed via 2 to execute the image forming operation. Further, the operation unit 103 is connected to the CPU 301 and controls a display unit and a key input unit (not shown) of the operation unit 103. The operator uses the key input means to instruct the CPU 301 to switch the display between the image forming operation mode, the scanner reading mode, and the print output mode.
01 displays the state of the digital copying machine 100 and the operation mode setting by key input.

Further, the CPU 301 has an image processing unit 30 for converting a document image into an electric signal in the document reading unit 305 and converting the signal into a form which can be printed on a recording sheet by a printing means.
6 is connected.

The image memory 307 has a high-speed page memory and a large-capacity memory (hard disk or other storage medium) capable of accumulating a plurality of page image data. The plurality of image data stored in the image memory 307 are output by the printing unit 308 in the order according to the editing mode designated by the operation unit 103. For example, in the case of electronic sorting, the images of the document stack placed on the DF 280 are sequentially stored in the hard disk, the image data of the document once stored is read from the hard disk, and this is repeatedly output a plurality of times. This allows it to play the same role as a sorter with multiple bins.

FIG. 4 is a block diagram showing the configuration of the image processing unit 306 shown in FIG. 3, and the same components as those in FIG. 3 are designated by the same reference numerals.

The mirrors 202, 205, 20 shown in FIG.
6, C in the image sensor unit 208 through the lens 207
The original image formed by the CD sensor is input as the brightness data of Black and converted into an analog electric signal by the CCD sensor.

As shown in FIG. 4, the converted image information (analog electric signal) is input to the analog signal processing unit 401, and after the sample & hold and dark level correction are performed, the A / D conversion unit 402. Then, analog / digital conversion (A / D conversion) is performed, and shading correction is performed on the digitized signal (correction of variations in sensors such as CCD for reading the original and light distribution characteristics of the original illumination lamp).
I do. After that, it is sent to the log conversion unit 403.

The log conversion unit 403 converts the input luminance data into density data by using a LUT (Look-Look-
up-table) is stored, and the brightness data is converted into the density data by outputting the table value corresponding to the input data. After that, the scaling unit 40
4, the image is scaled to a desired magnification and the image memory 30
Images are accumulated at 7.

The image data output from the image memory 307 is input to the γ correction unit 405. When outputting the density data, the γ correction unit 405 performs conversion by the LUT in consideration of the characteristics of the printing unit 308, adjusts the output according to the density value set by the operation unit 103, and then the printing unit 308.
Send the image data to. In the printing unit 308, the image data is formed on the recording paper by the above processing.

Next, referring to FIG. 5, the original stack, which is a feature of the first embodiment of the present invention, in which both double-sided originals and single-sided originals are mixed, is double-sided copied to rectangular paper and single-sided copied to index paper. The processing in the print mode (hereinafter referred to as index paper mixed duplex copy mode) will be described.

FIG. 5 is a schematic diagram for explaining the index paper mixed double-sided copy mode of the image forming apparatus showing the first embodiment of the present invention.

In the figure, (a) is a mixture of a rectangular double-sided original for forming an image on both sides of a rectangular recording medium and a rectangular single-sided original for forming an image on the surface of a recording medium having protrusions. Corresponds to a stack of documents.

In (a), 1401 is a rectangular double-sided original for forming images on both sides of a rectangular recording medium. Further, 1400 is a rectangular single-sided original for forming an image on the surface of a recording medium (index paper) having a protrusion.

(B) corresponds to a bundle of recording media in which a rectangular recording medium copied from the original bundle shown in (a) and a recording medium having a protrusion are mixed.

In (b), 1411 is a rectangular recording medium obtained by copying both sides of a rectangular double-sided original 1401. Also, 1410 is a recording medium (index paper) having a projection obtained by copying one side of a rectangular one-sided original 1400.

In the index paper mixed double-sided copy mode, for the original to be copied on the index paper, only the surface of the digital image information of the original is used for printing on the front surface of the index paper, and for the original to be copied on the rectangular paper. For this reason, the digital image information of the original must be switched to print on both sides of the rectangular paper using both sides.

To this end, when the index sheet insertion double-sided copy mode is selected on the operation unit 103, at the time of reading the originals, the double-sided reading is uniformly performed on the original stack placed on the original table and recording is performed. In the printing stage on paper, for documents specified to use index paper, the index paper is fed from the paper feed tray that contains the index paper, and the protrusions (index parts of the index paper) Printing on the surface may be performed after moving the image position of the digital image information on the surface by a predetermined amount depending on the size. At this time, the digital image information on the back side is not used.

On the other hand, for a document designated to use rectangular paper, the rectangular paper is fed from the paper feed stage containing the rectangular paper, and first, the rectangular paper is read using the digital image information on the back side. After the printing is performed on the back surface of the sheet and then the recording surface is reversed, printing on the front surface of the rectangular paper is performed using the digital image information on the front surface to print on both sides.

Hereinafter, with reference to FIGS. 6 to 9, the operation unit 103 and the recording paper position indicating means 10 with a protrusion shown in FIG.
4 will be described.

FIG. 6 is a plan view for explaining the details of the operation unit 103 shown in FIG.

In the figure, numeral 1301 is a ten-key pad, which is used when inputting the number of copies and the amount of image movement. A start key 1302 is used when starting a copy job. A stop key 1303 can be pressed to stop the started job when the user wants to stop the job on the way.

Reference numeral 1304 denotes an LCD (display / input unit), which has a touch panel on its surface, and is generally used for setting the mode of a copy job and displaying the operating state of the copying machine. A user mode key 1305 is used to set each item of the user mode for setting the operation and the display which are reflected in the standard mode of the copying machine.

FIG. 7 shows the LC of the operation unit 103 shown in FIG.
FIG. 13 is a schematic diagram showing an example of an index sheet division number setting screen 9200 displayed on the LCD 1304 when the index sheet insertion double-sided copy mode key displayed on the D1304 is instructed, and the index sheet division number is input here. It should be noted that the index paper is generally 5 index papers in which one set of 5 sheets is used, but in the present embodiment, 12 index papers in which one set of 2 sheets and 12 sets of 12 index sheets can be handled. It is possible to set. The "division number" here is 1
Shows the number of index sheets per set.

In the figure, reference numeral 1360 indicates the number of divisions currently set, and the minus key 1361,
It can be increased or decreased by the plus key 1362. An OK key 1363 can reflect the input division number setting. A cancel key 1364 is used to invalidate the input division number setting and terminate the screen.

FIG. 8 is a schematic diagram showing an example of the image movement amount setting screen 9300 displayed after the OK key 1363 is pressed on the index paper division number setting screen 9200 shown in FIG. The amount of movement is the amount of movement for moving the image in order to print the image printed on the index portion (projection portion) included in the document on the index portion. Normally, if it is A4 size index paper, it may be moved by about 12 mm, and this value is set at the beginning, but the appropriate movement amount changes depending on the size of the characters printed on the index part and the position on the document. In the present embodiment, the movement amount can be set within the range of "0 to 25 mm".

In the figure, 1330 is a minus key for reducing the normal movement amount "12", and 1331 is a plus key for increasing it. 1332 is a movement amount display unit that displays the movement amount that is currently set. 1333
Is a cancel key, and is a key for canceling the movement amount setting and returning to the INTEX paper division number setting screen 9200 of FIG. 7 which is an input screen for setting the index paper division number.

Reference numeral 1334 denotes an OK key, which is a movement amount display section 13
This is a key for reflecting the value displayed in 32 at the time of printing.

FIG. 9 is a schematic diagram showing an example of the index insert position setting screen 9400 displayed after the OK key 1334 shown in FIG. 8 is pressed.

In the figure, reference numeral 1370 denotes a single-sided original document position window showing the position of the original document (single-sided original document) to be copied on the index sheet. When setting the position of the original document to be copied on the first index sheet, the first sheet is set. When pressed, a numeric key 1301 shown in FIG. 6 is used to input a number (a number indicating the number of sheets from the beginning of the original bundle) indicating the original number of the original in the original bundle.

In this figure, the original to be copied on the first index sheet is set to be positioned on the second sheet of the original bundle. Similarly, the original to be copied onto the second index sheet is the fourth sheet of the original bundle, the original to be copied onto the third index sheet is the seventh sheet of the original bundle, and the original to be copied onto the fourth index sheet is the original. The document to be copied to the 10th and 5th index sheets of the stack is set as the 13th sheet of the document bundle, the document to be copied to the 6th index sheet is the 15th sheet of the document bundle, and so on. There is.

A cancel key 1371 cancels the position of the original to be copied on the index sheet set in the single-sided original position window 1370, and returns to the screen shown in FIG. 8 for setting the amount of image movement to the index sheet. 1372
Is a key for scrolling up the one-sided document position window 1370 when there are seven or more document positions to be copied on the index sheet. A key 1373 is a key for scrolling down the one-sided document position window 1370 when there are seven or more positions of the document to be copied on the index sheet.

An OK key 1374 is for reflecting the position of the original document to be copied on the index sheet set in the single-sided original document position window 1370 in the copy job. This allows the setting of the index sheet insertion double-sided copy mode. Complete.

When set in this way, from the index paper division number, the index paper image movement amount, and the position of the original to be copied on the index paper set in FIG. 7 to FIG. For the original document to be copied, the amount of image movement for printing on the index portion is determined, and for which original document the index paper should be fed.

The processing procedure when recording sheets are mixed in the image forming apparatus of the present invention will be described below with reference to FIGS.

FIG. 10 is a flow chart showing an example of the first control processing procedure in the image forming apparatus of the present invention, which corresponds to the processing in the index paper mixed duplex copy mode. Note that the process of this flow chart is as shown in FIG.
It is assumed that the CPU 301 is executed based on a program stored in the ROM 303 or another storage medium. Further, S501 to S512 indicate each step.

When selecting the index paper mixed double-sided copy mode from the operation unit 103, the position of the single-sided original using the index paper as the recording paper is set by the index insert position setting screen 9400 shown in FIG. Is designated by (S501). This designation can be performed for the number of index sheets. Here, for the sake of explanation, it is assumed that the total number of originals is n, and the index paper is designated as the recording paper only for the m (<n) th original. That is, in this case, the m-th recording sheet is an index sheet, and the other recording sheets are all rectangular sheets. The position information specified here is stored in the RAM 304 (S5).
02).

Next, in response to an instruction from the operation unit 103 (depressing the start key 1302 shown in FIG. 6), double-sided reading of the document stack placed on the document table is started (S503), and the read image is read. When analog image processing, A / D conversion processing, log conversion processing, and scaling processing shown in FIG. 4 are performed and the image is stored in the image memory 307 as digital image data, only the surface information of the front surface or the back surface is used. Instead, the paper type information for specifying whether the recording paper is rectangular paper or index paper is registered in the digital image information management table shown in FIG. 11 described later based on the index paper specification position information stored in the RAM 304. This digital image information management table is stored in the image memory 307 (S504). Here, the digital image information management table shown in FIG. 11 will be described.

FIG. 11 shows the image memory 307 shown in FIG.
It is a figure which shows the digital image information management table accumulated with the image data read in.

In FIG. 11, reference numeral 601 denotes the total number of printed sheets,
This is the total number of ejected sheets in this copy job. 602-60
8, 609 to 615 and 616 to 622 are a set of information for one recording sheet, respectively, and are the first sheet, the m-th sheet,
It corresponds to the nth recording sheet. There are n sets of information in this copy job. Paper number information 602, 609, and 616 indicate the number of the recording paper on which the respective image is formed in the copy job.

Paper size information 603, 610, and 617 indicate the size of each recording paper. 604, 61
Paper type information 1,618 indicates the type of recording paper,
Information indicating whether the paper is rectangular paper or index paper is stored here. For example, only the paper type 611 of the m-th recording paper is set as index paper, and the rest is set as rectangular paper.

Reference numerals 605, 612, and 619 denote front surface image data start addresses, which indicate start addresses in the image memory 307 in which the front surface digital image data read in steps S503 and S504 of FIG. 5 are stored. 607,
Reference numerals 614 and 621 denote back-side image data start addresses, which are shown in FIG.
Image memory 307 in which digital image data of the back side read in steps S503 and S504 of 0 is stored
Indicates the start address of the inside.

Surface image data sizes 606, 613, and 620 indicate the data size of the surface digital image data stored in the image memory 307. 608,615,
A backside image data size 622 indicates the data size of the backside digital image data stored in the image memory 307.

Hereinafter, steps S505 to S515 of the flowchart of FIG. 10 will be described again.

In FIG. 10, when the digital image information stored in the image memory 307 is read and printed on the recording paper, the target of the recording paper to be printed first is set to the nth sheet which is the final paper of the copy job. (S505), for the recording paper to be printed, the paper feed stage is determined from the paper size 617 and paper type 618 registered in the digital image information management table shown in FIG. Perform (S506).

Next, the paper type of the recording paper is judged (S
507). Since the paper type of the n-th recording paper is rectangular paper, the process proceeds to step S508, and the back side digital image data read from the image memory 307 using the back side digital image data start address 621 and the image data size 622 is imaged. An image is formed on the recording paper by the forming unit 108 (S508). After forming the image on the back side, the recording paper is reversed by the recording paper reversing unit 109 (S509), and the front side digital image data read from the image memory 307 is recorded using the front side image data start address 619 and the image data size 620. An image is formed on the paper, and the recording paper having the images formed on both sides is discharged (S510).

After that, the recording paper to be printed is changed to the previous one (S511), and the paper number of the changed recording paper is compared with "0" (S512), and it is not "0"(" 0 "
If it is determined that it is larger, the recording paper to be printed still remains, and therefore the process returns to step S506 to print the next recording paper, while the paper number of the recording paper to be printed is If it is determined to be “0”, there is no print target remaining, and the copy job is ended as it is.

Here, a description will be given of the case where the recording sheet to be printed reaches the m-th sheet from the beginning after repeating the procedure of steps S506 to S512 "nm" times. Since the m-th recording sheet is an index sheet, the processing described below is performed.

Since the paper type of the m-th recording paper is index paper, steps S507 to S51
3, the predetermined digital image data of the front side read from the image memory 307 using the front side image data start address 609 and the image data size 610 shown in FIG. 6 described later depends on the size of the protrusion of the index sheet. Movement processing for shifting the image forming position by the amount of
3), the processed digital image data is image forming means 10
An image is formed on the surface of the recording paper by S8 (S514), and the recording paper is discharged as it is without performing the reversal processing (S51).
5). In the subsequent processing, the control proceeds to step S511 as in the case of the rectangular paper.

As described above, in the index paper mixed double-sided copy mode, both sides of all originals are read, and the paper type is determined at the time of printing on the recording paper. It is possible to automatically switch between single-sided printing and printing,
In a double-sided copy job including index paper as recording paper, it is possible to reliably eliminate unnecessary printing on the back side while eliminating complicated reading control switching processing and preventing errors during reading.

[Second Embodiment] In the first embodiment,
In the double-sided copy mode with index paper, at the time of reading the original, double-sided scanning is uniformly performed on the original stack placed on the original table, and rectangular paper is specified to be used at the printing stage on the recording paper. Printed on both sides of rectangular paper, while for originals specified to use index paper, only the front side of the index paper is printed, and the back side of the index paper is printed. Although the configuration has been described in which the control is performed so that the double-sided printing is performed not only on the rectangular paper but also on the index paper (however, it is possible to print the entire blank image data on the back surface of the index paper). Good. The embodiment will be described below.

The digital copying machine according to the present embodiment is basically the same as the digital copying machine according to the first embodiment described above, except that the digital image information obtained by reading the original is printed on the recording paper. The configurations are different.

The processing procedure when recording sheets are mixed in the image forming apparatus according to the second embodiment of the present invention will be described below with reference to the flowchart of FIG. Below, the first
The printing portion different from the embodiment will be described.

FIG. 12 is a flowchart showing an example of the second control processing procedure in the image forming apparatus of the present invention, which corresponds to the processing in the index paper mixed duplex copy mode. Note that the process of this flow chart is as shown in FIG.
It is assumed that the CPU 301 is executed based on a program stored in the ROM 303 or another storage medium. In addition, S501 to S504, S701 to S
Reference numeral 712 denotes each step, and the same step as in FIG. 10 is assigned the same step number.

The steps from the step S501 for designating the index paper mixed double-sided copy mode from the operation unit 103 to the step S504 for storing the digital image data of the original document and the digital image information management table in the image memory 307 are the same as those in the first embodiment. Description is omitted, and step S
It will be described from 701.

When the digital image information is read from the image memory 307 and printed on the recording paper, the target of the recording paper to be printed first is set as the last paper of the copy job, "nth sheet" (S701), and printing is performed. For the target recording paper, the paper feed stage is determined from the paper size 617 and paper type 618 registered in the digital image information management table shown in FIG. 11 and paper is fed from the paper feed means 107 (S702).

Next, the paper type of the fed recording paper is determined (S703), and if the paper type of the fed recording paper is rectangular paper, the digital image of the back side read from the image memory 307 is read. An image is formed on the recording paper fed by the image forming unit 108.

On the other hand, in step S703, if the paper type of the fed recording paper is index paper, the CPU
In 301, blank digital image data is created, and the image data is used instead of the back digital image data stored in the image memory 307 to form a blank image on the back surface of the recording paper (index paper) ( S705).

After the image formation on the back side, the recording sheet reversing means 109
The recording paper is reversed by (S706) and the paper type of the fed recording paper is determined (S707).

When the paper type of the fed recording paper is rectangular paper in step S707, the front side digital image data read from the image memory 307 is used as it is to form an image on the recording paper (S708). ).

On the other hand, in step S707, when the paper type of the fed recording paper is index paper, an image is formed by a predetermined amount depending on the size of the projection of the index paper with respect to the front digital image data. A moving process for shifting the position is performed (S709), and an image is formed on a recording sheet using the digital image data after the moving process (S71).
0).

After forming the image on the front side, the recording paper is printed, and the recording paper to be printed is changed one before and the change is discharged (S711).

The subsequent processing is the same as in the first embodiment until there is no more recording paper to be printed, that is, step S712.
The processing of steps S702 to S712 is repeated until it is determined that the sheet number of the recording sheet = 0.

According to this method, unlike the first embodiment, the reading of the original document and the printing on the recording paper are completely performed on both sides, so that switching between both sides and one side does not occur during the copy job. It is possible to efficiently perform mixed copying of rectangular paper and index paper.

Therefore, in a double-sided copy job in which index paper is used as the recording paper, complicated reading control and image forming control switching processing are eliminated to prevent errors during reading and image formation, while efficiently eliminating the need for the back side. Printing can be reliably eliminated.

[Third Embodiment] In the index paper mixed double-sided copy mode of the first embodiment, the surface of a recording medium having a rectangular double-sided original and projections for forming an image on both sides of a rectangular recording medium. The configuration has been described in which a document bundle containing a mixture of rectangular single-sided documents for image formation is read, but double-sided scanning is possible not only for rectangular documents but also for documents that have protrusions (index paper). Read a mixed document bundle of a rectangular double-sided original for forming images on both sides of the recording medium and a single-sided original (index paper) having protrusions for forming images on the surface of the recording medium. You may comprise. The embodiment will be described below.

The digital copying machine of this embodiment is similar to the above-described first embodiment in the basic part, but is different in the part for reading the original.

First, with reference to FIG. 13, a description will be given of a case of processing a document bundle in which a rectangular document and an index document are mixed, which is a feature of the third embodiment of the present invention, in the index paper mixed double-sided copy mode.

FIG. 13 is a schematic diagram for explaining the index paper mixed double-sided copy mode of the image forming apparatus showing the third embodiment of the present invention.

In the figure, (a) shows a rectangular double-sided document for forming images on both sides of a rectangular recording medium and a single-sided document having protrusions for forming images on the surface of a recording medium having protrusions. Corresponds to mixed document bundles.

In (a), reference numeral 2401 denotes a rectangular double-sided original for forming an image on both sides of a rectangular recording medium. Reference numeral 2400 denotes a single-sided original (index sheet) having a protrusion for forming an image on the surface of a recording medium (index sheet) having a protrusion.

(B) corresponds to a bundle of recording media in which a rectangular recording medium copied from the original bundle shown in (a) and a recording medium having a protrusion are mixed.

In (b), reference numeral 2411 denotes a rectangular recording medium which is a double-sided copy of a rectangular double-sided original 2401. Further, reference numeral 2410 denotes a recording medium (index paper) having a projection obtained by copying one side of a single-sided original document (index paper) 2400 having a projection.

Hereinafter, with reference to the flowcharts of FIGS. 14 and 15, the first process in the index mixed duplex copy mode of the image forming apparatus according to the third embodiment of the present invention.
A document reading portion different from the embodiment will be described.

14 and 15 are flowcharts showing an example of the third control processing procedure in the image forming apparatus of the present invention, which corresponds to the processing in the index paper mixed duplex copy mode. The process of this flowchart is assumed to be executed by the CPU 301 shown in FIG. 3 based on a program stored in the ROM 303 or another storage medium. In addition, S801 to S810, S5
Reference numerals 05 to S515 denote respective steps, and the same steps as those in FIG. 10 are denoted by the same step numbers.

First, when the index sheet mixed double-sided copy mode is selected from the operation unit 103, the setting that the index sheets are mixed in the document is made (by a key (not shown) displayed on the LCD 1304 of the operation unit 103 shown in FIG. 6). Setting), setting that the index sheet is used as the recording sheet for the document (set by a key (not shown) displayed on the LCD 1304 of the operation unit 103 shown in FIG. 6), and the index sheet in the document stack is set. The position is designated from the beginning of the document (designated by the index insert position setting screen 9400 shown in FIG. 9) (S801). The location information specified here is RAM
It is stored in 304 (S802).

Next, in accordance with an instruction from the operation unit 103 (depressing the start key 1302 shown in FIG. 6), the document stack placed on the document table is fed (S803), and both sides are read. Before reading, the position information of the index document stored in the RAM 304 is referred to and it is determined whether the paper type of the document to be read next is index paper (S804).

If it is determined in step S804 that the paper type of the next document to be read is not index paper, both sides are read (read) from the leading edge of the document as it is.
(S805), and the process proceeds to step S808.

On the other hand, if it is determined in step S804 that the original to be read next is index paper,
The reading position is shifted by a predetermined amount depending on the size of the projection so that the projection of the index sheet can also be read (S806), and double-sided reading (reading) is performed (S8).
07). At this time, the image on the back side of the index paper is also read by shifting the reading position.

The image thus read is subjected to the image processing shown in FIG. 4 to be converted into digital image data as in the first embodiment, and then the image memory is stored together with the digital image information management table shown in FIG. It is stored in 307 (S808).

Next, the originals are exchanged (S809), and until all the originals have been read (until it is determined that all the originals have been read), step S803 is performed for each original.
~ The process of S809 is repeated (S810).

Since the print processing of the read digital image information is the same as that of the first embodiment, the description is omitted.

With this method, it is possible to perform double-sided scanning even for a document containing an index sheet, and it is possible to make a complete copy simply by placing the document containing the index sheet on the document table. It is easy to use in actual use.

Further, the movement amount of the document reading position is set by the index sheet division number setting screen 9200 shown in FIG. 7 and the image movement position setting screen 9300 shown in FIG. The index sheet division number setting screen 9200 shown in FIG. 7 and the image movement amount setting screen 9300 shown in FIG. 8 can be used to set the movement amount of the image forming position in the first embodiment. As set, the amount of movement of the reading position of the document may be set on the screens similar to those in FIGS. 7 and 8. The initial value of the movement amount of the document reading position may be the same as the movement amount of the image forming position.

As a result, even if the index paper (projection portion) of the index paper included in the original has a different height or the index paper (projection portion) is different in number, the index paper can be used as the index paper included in the recording medium. Simply place the material including the paper on the platen and set the movement amount (deviation amount) of the reading position and image forming position
It is possible to make a copy as it is.

Further, step S505 shown in FIG.
~ Step S701 shown in FIG. 12 instead of S515
By performing steps S712 to S712, double-sided printing is performed not only on the rectangular paper but also on the index paper as in the second embodiment (however, blank image data is printed on the back surface of the index paper). You may comprise.

According to this method, since both sides of the original including the index sheet can be read, it is possible to make a complete copy by simply placing the material including the index sheet on the original table. Not only is it easy to use, but also as in the second embodiment, both the reading of originals and the printing on recording paper are performed on both sides, so switching between double-sided and single-sided printing does not occur during a copy job. It is possible to efficiently perform mixed copying of rectangular paper and index paper.

As described above, in the first to third embodiments, by setting the index paper mixed double-sided copy mode, both sides of the original are uniformly read, the read image is stored in the image memory, and the stored image is stored. By referring to the paper type information attached to the image data at the time of data printing, it is possible to automatically perform double-sided printing on rectangular paper and single-sided printing on index paper.

Therefore, both sides of the original are read uniformly,
By providing a mode in which double-sided printing is performed when the recording paper is a rectangular paper at the time of printing and single-sided printing is performed when the recording paper has a protrusion, it is possible to provide an image forming apparatus capable of coexisting single-sided printing and double-sided printing.

In each of the above-described embodiments, the case where the printer unit (printer engine) is of the laser beam system has been described as an example, but an electrophotographic system (for example, LED system) other than the laser beam system is also a liquid crystal shutter system. The present invention can be applied to any of an inkjet method, a thermal transfer method, a sublimation method, and other printing methods.

Further, the present invention also includes a configuration in which the first to third embodiments are combined.

The structure of the data processing program readable by the image forming apparatus according to the present invention will be described below with reference to the memory map shown in FIG.

FIG. 16 is a diagram for explaining a memory map of a storage medium that stores various data processing programs that can be read by the image forming apparatus according to the present invention.

Although not particularly shown, information for managing the program group stored in the storage medium, such as version information, creator information, etc., and information depending on the OS on the program reading side, such as the program, are stored. In some cases, an icon or the like for identification and display is also stored.

Further, data dependent on various programs are also managed in the above directory. Also, if the program or data to be installed is compressed,
A program for decompressing may be stored.

FIG. 10, FIG. 12 and FIG. 1 in this embodiment.
4, the functions shown in FIG. 15 may be performed by the host computer by a program installed from the outside. In that case, the present invention is applied even when the information group including the program is supplied to the output device from a storage medium such as a CD-ROM, a flash memory, or an FD, or from an external storage medium via a network. It is a thing.

As described above, the storage medium recording the program code of the software that realizes the functions of the above-described embodiments is supplied to the system or apparatus, and the computer (or CPU or MP of the system or apparatus is supplied.
It goes without saying that the object of the present invention can also be achieved by U) reading and executing the program code stored in the storage medium.

In this case, the program code itself read from the storage medium realizes the novel function of the present invention, and the storage medium storing the program code constitutes the present invention.

As a storage medium for supplying the program code, for example, a floppy (registered trademark) disk, hard disk, optical disk, magneto-optical disk, C
D-ROM, CD-R, DVD-ROM, magnetic tape,
A non-volatile memory card, ROM, EEPROM, silicon disk or the like can be used.

Further, by executing the program code read by the computer, not only the functions of the above-described embodiment are realized, but also the OS (operating system) running on the computer based on the instruction of the program code. It goes without saying that this also includes the case where the above) performs a part or all of the actual processing, and the processing realizes the functions of the above-described embodiments.

Further, after the program code read from the storage medium is written in the memory provided in the function expansion board inserted into the computer or the function expansion unit connected to the computer, based on the instruction of the program code, The CPU or the like provided in the function expansion board or function expansion unit performs a part or all of the actual processing,
It goes without saying that the processing includes the case where the functions of the above-described embodiments are realized.

Further, the present invention may be applied to a system composed of a plurality of devices or an apparatus composed of one device. Further, it goes without saying that the present invention can be applied to the case where it is achieved by supplying a program to a system or an apparatus. In this case, by reading a storage medium storing a program represented by software for achieving the present invention into the system or apparatus, the system or apparatus can enjoy the effects of the present invention. .

Furthermore, by downloading and reading the program represented by the software for achieving the present invention from the database on the network by the communication program, the system or apparatus can be
It is possible to enjoy the effects of the present invention.

[0148]

As described above, according to the first, the tenth, the eleventh, the eleventh, the twelfth, the seventeenth and the eighteenth aspects of the present invention, a double-sided original for forming an image on both sides of a rectangular recording medium is provided. In a copy job of an original in which a single-sided original for forming an image is mixed on the surface of a recording medium having protrusions, double-sided reading is performed for all originals, and one-sided in the original in which the double-sided original and the single-sided original are mixed. Switching between double-sided image formation and single-sided image formation is controlled based on the original insertion position, so in a double-sided copy job that includes a recording medium with protrusions, there is no need to perform complicated read control switching processing during reading or image formation. It is possible to surely eliminate unnecessary printing on the back side while preventing the error of.

According to the second and thirteenth inventions, a double-sided original for forming an image on both sides of a rectangular recording medium and a single-sided original for forming an image on the surface of a recording medium having protrusions are mixed. In an original copy job, both sides of all originals are scanned, and for a rectangular recording medium, double-sided image formation is performed based on the image information of the read double-sided original, and the surface of the recording medium having protrusions is formed. On the other hand, since the image formation is controlled based on the image information of the front side of the read single-sided original and the image formation is controlled not to form the image on the back side of the recording medium having the protrusion, the recording medium having the protrusion. In a double-sided copy job including the above, it is possible to reliably eliminate unnecessary printing on the back side while eliminating complicated reading control switching processing to prevent errors during reading.

According to the third and fourteenth inventions, a double-sided original for forming an image on both sides of a rectangular recording medium and a single-sided original for forming an image on the surface of a recording medium having a projection are mixed. In the original copy job, double-sided scanning is performed for all originals, double-sided image formation is performed for rectangular recording media based on the image information of the read double-sided originals, and double-sided image formation is performed for the surface of the recording media that has protrusions. The image formation control is performed so that the image formation is performed based on the image information of the front side of the read single-sided original, and the image formation is performed on the back side of the recording medium having the protrusion based on the image information of the entire blank sheet. In a double-sided copy job that includes a recording medium with objects,
It is possible to efficiently eliminate unnecessary printing on the back surface while preventing an error at the time of reading by eliminating complicated reading control and image forming control switching processing.

According to the fourth and fifth inventions, when the image forming is performed on the surface of the recording medium having the protrusions, the control means shifts the image forming position by the instructed first displacement amount. Since an image is formed on the surface of the recording paper, it is possible to perform a copying process on a recording medium having protrusions of any shape in a double-sided copy job including a recording medium having protrusions.

According to the sixth and fifteenth inventions, the copy job input by the input means is a recording medium having a rectangular double-sided original for forming an image on both sides of the rectangular recording medium and a recording medium having protrusions. Since this is a copy job of a document in which a rectangular single-sided document for forming an image on the front surface is mixed, a double-sided copy job including a recording medium having protrusions eliminates a complicated read control switching process and causes a reading error. It is possible to surely eliminate unnecessary printing on the back surface while preventing the above.

According to the seventh and sixteenth inventions, the copy job input by the input means is only a double-sided original having a rectangular shape for forming images on both sides of the rectangular recording paper and one side of the recording paper having a protrusion. Since this is a copy job in which one-sided originals with protrusions that form images are mixed, it is possible to scan both sides of an original that includes an original with protrusions, so set a document that contains an original with protrusions. Then, it is possible to easily perform copying including a recording medium having protrusions by simply performing a double-sided copy job, which is very convenient in actual use, and is also a double-sided copy job including a recording medium having protrusions. In the above, it is possible to surely eliminate unnecessary printing on the back side while eliminating complicated reading control switching processing to prevent an error during reading.

According to the eighth and ninth inventions, the control means performs only double-sided reading on all the originals of the copy job input by the inputting means, and only the single-sided original having the protrusions is read. Since the reading position is shifted by the instructed second displacement amount, in a double-sided copy job including a document including a document having protrusions and a recording medium having protrusions, a document having protrusions of any shape can be accurately recorded on the recording medium. It can be copied.

[Brief description of drawings]

FIG. 1 is a block diagram showing a functional configuration of a digital copying machine to which an image forming apparatus according to a first embodiment of the present invention can be applied.

2 is a cross-sectional view showing a general configuration of the digital copying machine shown in FIG.

FIG. 3 is a control block diagram showing an internal configuration of the digital copying machine shown in FIG.

FIG. 4 is a block diagram showing a configuration of an image processing unit shown in FIG.

FIG. 5 is a schematic diagram illustrating an index sheet mixed double-sided copy mode of the image forming apparatus according to the first embodiment of the present invention.

FIG. 6 is a plan view illustrating details of an operation unit illustrated in FIG.

7 is a schematic diagram showing an example of an index sheet division number setting screen displayed on the LCD when an index sheet insertion double-sided copy mode key displayed on the LCD of the operation unit shown in FIG. 6 is instructed. .

8 is a schematic diagram showing an example of an image movement amount setting screen displayed after the OK key is pressed on the index paper division number setting screen shown in FIG. 7.

9 is a schematic diagram showing an example of an index insert position setting screen displayed after the OK key shown in FIG. 8 is pressed.

FIG. 10 is a flowchart showing an example of a first control processing procedure in the image forming apparatus of the present invention.

11 is a diagram showing a digital image information management table stored together with the image data read in the image memory shown in FIG.

FIG. 12 is a flowchart showing an example of a second control processing procedure in the image forming apparatus of the present invention.

FIG. 13 is a schematic diagram illustrating an index sheet mixed double-sided copy mode of the image forming apparatus according to the third embodiment of the present invention.

FIG. 14 is a flowchart showing an example of a third control processing procedure in the image forming apparatus of the present invention.

FIG. 15 is a flowchart showing an example of a third control processing procedure in the image forming apparatus of the present invention.

FIG. 16 is a diagram illustrating a memory map of a storage medium that stores various data processing programs that can be read by the image forming apparatus according to the present invention.

[Explanation of symbols]

100 digital copier 101 original reading means 102 image processing means 103 operation part 104 Recording paper position indicating means with protrusions 105 image storage means 106 print control means 107 paper feeding means 108 image forming means 109 recording paper reversing means

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) B65H 85/00 B65H 85/00 5C062 G03G 15/00 106 G03G 15/00 106 15/36 H04N 1/00 C H04N 1 / 00 G03G 21/00 382 (72) Inventor Yuichiro Maeda 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) Innovator Nobuo Sekiguchi 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. In-house (72) Inventor Tadaaki Saita 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) In-house Yoshito Nagato 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. F-term (reference) 2H027 EE08 FA12 FA13 FA20 FA27 FA30 FA35 FB06 FB13 FD01 FD04 FD08 GA20 GA23 GA45 GA56 GB14 2H028 BA03 BA06 BA09 BB02 BB04 BB06 BD03 3F053 EA03 EB04 EC02 LA03 LB03 3F100 AA02 BA17 EA02 EA03 3F107 AA01 AB01 AC02 CA03 5C062 AA05 AB17 AB22 AB46 AC09 AC65 BA00

Claims (18)

[Claims] 1. An image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, having a two-sided original and a protrusion for forming an image on both sides of a rectangular recording medium. In the input means for inputting a copy job of an original in which a single-sided original for image formation on the surface of a recording medium is mixed, and in the copy job input by the input means, both sides are read for all originals, An image forming apparatus comprising: a control unit that controls switching between double-sided image formation and single-sided image formation based on an insertion position of a single-sided original in a mixed original including a double-sided original and a single-sided original. 2. An image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, having a two-sided original and projections for forming images on both sides of a rectangular recording medium. In the input means for inputting a copy job of an original in which a single-sided original for image formation on the surface of the recording medium is mixed, and in the copy job input by the input means, double-sided reading is performed for all originals, and a rectangular For the recording medium of No. 2, double-sided image formation is performed based on the image information of the read double-sided original, and for the surface of the recording medium having protrusions, image formation is performed based on the image information of the front side of the read single-sided original. An image forming apparatus comprising: a control unit that controls image formation so that an image is not formed on the back surface of a recording medium having a protrusion. 3. An image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, having a double-sided original and projections for forming images on both sides of a rectangular recording medium. In the input means for inputting a copy job of an original in which a single-sided original for image formation on the surface of the recording medium is mixed, and in the copy job input by the input means, double-sided reading is performed for all originals, and a rectangular For the recording medium of, the double-sided image formation is performed based on the image information of the read double-sided original, and for the surface of the recording medium having the protrusions, the image formation is performed based on the image information of the front side of the single-sided original read, An image forming apparatus comprising: a control unit that controls image formation so that an image is formed on the back surface of a recording medium having a protrusion based on image information of blank white paper. 4. The control means, when forming an image on the surface of a recording medium having a protrusion, shifts the image forming position by a first shift amount and forms the image on the surface of the recording paper. The image forming apparatus according to claim 2 or 3, characterized in that 5. An image forming position deviation amount instruction means for instructing the first deviation amount is provided.
The image forming apparatus according to any one of 4 above. 6. The copying job input by the inputting unit is a rectangular double-sided original for forming images on both sides of a rectangular recording medium and a rectangular for forming images on the surface of the recording medium having protrusions. The image forming apparatus according to any one of claims 2 to 6, wherein the image forming apparatus is a copy job of a document in which the single-sided document of (1) is mixed. 7. A copying job input by the inputting unit has a rectangular double-sided original for forming an image on both sides of a rectangular recording medium and a protrusion for forming an image on only one side of the recording medium having a protrusion. 7. The image forming apparatus according to claim 2, wherein the image forming apparatus is a copy job in which one-sided originals are mixed. 8. The control unit, when reading both sides of all the originals of a copy job input by the inputting unit, reads only a single-sided original having the protrusion and sets a second displacement amount as a second shift amount. The image forming apparatus according to claim 7, wherein the image forming apparatus is displaced by only one. 9. The image forming apparatus according to claim 8, further comprising reading position deviation amount instruction means for instructing the second deviation amount. 10. The image according to claim 1, further comprising a single-sided document position designating unit for designating an insertion position of the single-sided document in the document in which the double-sided document and the single-sided document are mixed. Forming equipment. 11. A document reading unit capable of reading both sides of a rectangular document placed on a document table and converting it into image information, a storage unit capable of storing the image information read by the document reading unit, The image forming unit includes an image forming unit capable of forming an image of the image information stored in the storage unit on a recording sheet, and a plurality of paper feed stages capable of storing various recording media including a recording medium having a protrusion. A sheet feeding unit for feeding the recording sheet; and a recording sheet reversing unit capable of reversing the recording surface of the recording medium after the image formation by the image forming unit and re-feeding the recording sheet to the image forming unit. Claim 1 characterized by the above.
The image forming apparatus according to any one of 10 to 10. 12. A control method for an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, wherein a two-sided original and projections for forming images on both sides of a rectangular recording medium. A step of inputting a copy job of an original in which a single-sided original for forming an image on a surface of a recording medium having an object is input, and in the input copy job, both sides of all originals are read, A method of controlling an image forming apparatus, comprising: a switching step of switching between double-sided image formation and single-sided image formation based on an insertion position of a single-sided original in a mixed original of a double-sided original and a single-sided original. 13. A control method for an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, wherein a two-sided original and projections for forming images on both sides of a rectangular recording medium. A step of inputting a copy job of an original in which a single-sided original for forming an image on the surface of a recording medium having an object is input, and a reading step of performing double-sided reading on all the originals in the input copy job And the first image forming step for forming a double-sided image on the rectangular recording medium based on the image information of the read double-sided original, and the surface of the single-sided original read for the surface of the recording medium having protrusions. A second image forming step in which an image is formed on the basis of the image information of the recording medium and an image is not formed on the back surface of the recording medium having the protrusions. Law. 14. A control method for an image forming apparatus capable of sequentially reading both sides of a plurality of originals and sequentially forming images on both sides of a recording medium, wherein a two-sided original and projections for forming images on both sides of a rectangular recording medium. A step of inputting a copy job of an original in which a single-sided original for forming an image on the surface of a recording medium having an object is input, and a reading step of performing double-sided reading on all the originals in the input copy job And the first image forming step for forming a double-sided image on the rectangular recording medium based on the image information of the read double-sided original, and the surface of the single-sided original read for the surface of the recording medium having protrusions. A second image forming step of forming an image based on the image information of the entire surface of the recording medium having the protrusions on the back surface of the recording medium having the protrusions. The method of that image forming apparatus. 15. The copy job input in the input step is a rectangular double-sided original for forming an image on both sides of a rectangular recording medium and a rectangular for forming an image on the surface of a recording medium having protrusions. 15. The method of controlling an image forming apparatus according to claim 13, wherein the single-sided original document is a copy job of a mixed original document. 16. The copy job input in the job input step includes a rectangular double-sided original image for forming images on both sides of a rectangular recording medium and a protrusion for forming an image on only one side of a recording medium having protrusions. 15. The method of controlling an image forming apparatus according to claim 13, wherein the copy job includes a mixture of single-sided originals. 17. A program for executing the control method for an image forming apparatus according to claim 12. Description: 18. A storage medium having a computer-readable storage medium storing a program for executing the method for controlling an image forming apparatus according to claim 12.