JP3433668B2 - Image reading and printing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an image reading and printing apparatus for reading a document as an image and printing the result of the reading in an enlarged or reduced manner. 2. Description of the Related Art A copying machine as an image reading and printing apparatus includes a paper storage tray for storing paper (also referred to as recording paper), a size detection unit for detecting the size of a document to be read, and a method for converting a document into an image. A reading unit for reading the state of the copying machine, a magnification of reduced / enlarged copy, etc., an operation unit having various function keys such as a magnification switching key and a copy start key, and a reading unit for reading. A magnification conversion unit that converts the converted original image into a magnification displayed on the display unit, and a printing unit that prints the converted original image. The storage tray is provided. A magnification switching key has an automatic magnification (AUTO) based on the document size detected by the size detection unit and an enlargement which can be selected to a preset fixed magnification such as 129%, 200%, or 100%. AUTO and 78%, 64%, 50%, 100% based on the key and the original size detected by the size detector
There is provided a reduction key capable of selecting a fixed magnification, such as a fixed magnification, and a scaling key capable of selecting a magnification in units of 1% based on the document size detected by the size detection unit. In AUTO, a paper storage tray containing paper of the same size as the document size detected by the size detection unit is selected, and a magnification of 100% (also called 1: 1) is selected, or If there is no paper of the same size as, the paper storage tray containing paper of an approximate size is selected, and the magnification according to the paper size is selected. It is possible to select the optimum magnification and paper storage tray according to the document size without operating the keys. Further, AUTO is an initial value for the enlargement and reduction keys, and the character "AUTO" is first displayed on the display unit, and is changed in the order of 129%, 200%, and 100% each time the user presses the enlargement key. After that, return to AUTO again, and each time you press the reduction key, it is changed in order of 78%, 64%, 50%, 100%,
It returns to AUTO again, so that the magnification can be easily selected with each single key. However, an enlargement or reduction key is usually operated to select a fixed magnification, and a user sets a desired fixed magnification while pressing the enlargement or reduction key. When searching, AUTO is selected cyclically and it is troublesome to be displayed on the display unit. In order to solve this problem, it is possible to add a key for selecting AUTO in addition to the enlargement / reduction keys so that AUTO is not selected even if the enlargement / reduction keys are pressed. It is not desirable to increase the number of keys in the operation unit with the miniaturization of the copier. [0008] Such a problem is not limited to a copying machine. For example, a facsimile apparatus having a copying function is provided with a function of reading an original as an image and enlarging or reducing the reading result to print. Similar problems also occur in other image reading and printing apparatuses. The present invention has been made in view of such circumstances, and a sheet having the same size or the same width as a document image is placed in front.
When not stored in the storage means, AUTO is displayed as an initial value on the display unit, and the display of AUTO is prohibited based on switching of the magnification by a magnification switching key such as an enlargement or reduction key, and only a fixed magnification is displayed. An object of the present invention is to provide an image reading and printing apparatus which does not need to have a dedicated magnification switching key for AUTO by displaying the display cyclically on the display unit and does not display AUTO cyclically. An image reading and printing apparatus according to the present invention is an apparatus for reading an original image and performing enlargement / reduction printing, wherein a storage means for storing sheets of a plurality of sizes,
Detecting means for detecting the width of the original, and, if a sheet having the same size or the same width as the original image is not stored in the storing means, the original is set at a magnification corresponding to the width of the predetermined sheet according to the detection result by the detecting means. Means for selecting an automatic magnification for printing an image, display means for displaying any of a plurality of enlargement / reduction magnifications including the automatic magnification, and switching means for switching the display content of the display means to another magnification And when the switching means is operated , the remaining plural numbers other than the automatic magnification
Cycles any of the enlargement / reduction of the magnifications in the specified order
And means for enlarging / reducing a document image based on the display content of the display means. According to the image reading and printing apparatus of the present invention ,
The display means initially displays AUTO, which is an automatic magnification determined by the size of the document and the paper to be printed, when paper of the same size or the same width as the document width detected by the detection means is not stored in the storage means. configuration and then, further, to prohibit the display of the AUTO according to the switching of the magnification by the switching means, the table
Since the magnification other than AUTO is cyclically displayed on the indicating means in a predetermined order, AUTO is not displayed after pressing the magnification switching key as the switching means. Hereinafter, the present invention will be described in detail with reference to the drawings showing an embodiment thereof. FIG. 1 is a block diagram showing a configuration example of a facsimile apparatus having a copying function as an image reading and printing apparatus according to the present invention. In FIG. 1, reference numeral 1 denotes an AU constituted by an MPU.
A main control unit as means for inhibiting display of TO, a modem 2, an NCU 3, an image memory 4, a RAM
5, connected to hardware such as a ROM 6, a display unit 7, an operation unit 8, a printing unit 9, and a reading device 10 to control these and execute various computer programs stored in the ROM 6. The modem 2 has a function as a facsimile modem capable of performing normal facsimile communication, and has an NCU (Networ
k Control Unit) 3. The NCU 3 is a hardware for closing and opening the analog line L, and connects the modem 2 to the analog line L as required. It should be noted that a DSU (Digital Service Unit: subscriber line termination device) may be provided to connect to a digital line of a baseband transmission system. The image memory 4 is configured using a DRAM or the like, and stores image data such as a document image read by the reading device 10, a facsimile message such as a document image to be transmitted, and a received facsimile message. The RAM 5 is composed of an SRAM, a flash memory or the like, and stores temporary data generated when a computer program is executed. If a flash memory is used as the RAM 5, the stored contents will not be lost even when the power is cut off due to a power failure, movement of the facsimile machine, or the like. The ROM 6 stores in advance various computer programs necessary for the operation of the facsimile machine. The display section 7 as a display means includes a liquid crystal display (LCD), a CRT display, and the like, and displays an operation state of the facsimile apparatus, a copy magnification, and the like. The operation unit 8 as a switching means includes character keys,
In addition to keys required for facsimile communication such as speed dial keys and one-touch dial keys, reset keys required for copying, enlargement keys, reduction keys, scaling keys, tray selection keys, image quality keys, density keys, sort keys, start keys, etc. It has various keys. It should be noted that, if the display unit 7 is a touch panel system, some or all of the various keys of the operation unit 8 can be substituted. The printing unit 9 as an enlarging / reducing means includes a printer device of an electrophotographic system or the like, and is stored in a plurality of paper storage trays 91, 91,... Serving as a storing means for facsimile messages received from other facsimile devices. In addition to printing as a hard copy on a sheet of any size, the document image read by the reading device 10 is copied and printed on the sheet in the same manner as described above. At the time of copying and printing, the document image is enlarged or reduced based on the copy magnification displayed on the display unit 7 and printed. The printing unit 9 sorts the printed sheets in a predetermined order.
Alternatively, the apparatus further includes a sorting function for discharging to a predetermined position. A5 (width 148.5 mm × length 210 mm), A5
4 (210 mm wide x 297 mm long), B5 (182 mm wide x 257 m long)
m), B4 (257 mm wide x 364 mm long), Letter (216 mm wide)
Papers of various sizes such as A5, A4, and B are stored.
5 and B4, A5R, A4R, B5R, and B4R horizontally stored sheets are also stored, but a manual tray (not shown) so that paper can be fed even when manually fed from outside the printing unit 9. Is provided. Each of the sheet storage trays 91 is sequentially numbered like a first tray, a second tray,..., And the first tray stores the most frequently used sheets of, for example, A4 size. FIG. 2 is a side sectional view showing a more specific configuration example of the reading apparatus 10, and FIGS. 3 and 4 are perspective views thereof. 2, the reading device 10 includes a document reading unit 11 and a document feeding unit 12. The document reading section 11 is provided on an upper surface of the housing 11a, and is a transparent document mounting plate for mounting a document on the upper surface thereof.
111 and a light transmitting plate 112; a light source 113 provided in the housing 11a for irradiating light to a document placed on the document placing plate 111 or a document passing through the light transmitting plate 112; A CCD array 114, which is provided integrally and serves as a detecting means for detecting the width of the original placed on the original placing plate 111, and three mirrors 115a, 115b, 11 for changing the optical path of the reflected light from the original
5c, light source 113, CCD array 114, and mirrors 115a, 11
It has a moving mechanism 130 for moving 5b and 115c, a condenser lens 116 for converging light from the mirror 115c, and an image pickup device (CCD) 117 for reading an image on a document based on the light incident through the condenser lens 116. . These light source 113, mirrors 115a, 115b, 115c, condenser lens 116 and CCD 117
Constitutes an optical system for image reading. The moving mechanism 130 includes a pair of left and right large diameter pulleys 131a and 131b, a pair of left and right small diameter pulleys 132a and 132b, a first belt 133a mounted between the large diameter pulleys 131a and 131b, and small diameter pulleys 132a and 132b.
It has a second belt 133b interposed therebetween, a first carriage 134a connected to the first belt 133a, a second carriage 134b connected to the second belt 133b, and a step motor 135. On the first carriage 134a, a light source 113, CC
The D array 114 and the mirror 115a are supported, and the mirrors 115b and 115c are supported on the second carriage 134b. Then, the large-diameter pulleys 131a and 131b and the small-diameter pulleys 132a and 132b are rotated by the
The first and second carriages 13 are provided via the second belts 133a and 133b.
4a and 134b are moved. The document feeding section 12 is provided on the upper surface of the document placing plate 111, and holds a cover 121 for holding the document, a document table 122 provided on the holding lid 121 for placing the document, and a light transmitting plate 112. A separation roller 123 provided on the upper surface and separating and feeding the documents placed on the document table 122 one by one from the top, and a plurality of feeding rollers 124 and 12 for turning the separated documents upside down and feeding them.
4,... And an opening 125 provided in correspondence with the light transmitting plate 112.
And a document output tray that stores the document output after scanning.
And As shown in FIG. 3, the document feeder 12 can be opened and closed on the upper surfaces of the document placing plate 111 and the light transmitting plate 112. Predetermined angle θ
A detector 118 is provided to detect when: The detector 118 is constituted by a push-in type automatic return switch or the like. When the document placing unit 12 presses the detector 118 on its lower surface, the detector 118 gives a detection signal to the main control unit 1. The main controller 1 controls the light sources 113 and CC supported on the first carriage 134a according to the control.
As the D array 114 and the mirror 115a move, the light source 1
13 emits light, CCD array 114 detects the document width detection
The result is given to the main control unit 1. As shown in FIG. 4, a document table 122 has a plurality of width sensors 127, 127,...
Is buried. The width sensors 127, 127,.
A5R or A4, A4R, B5, B5R or B4, B4
The widths of the originals placed on the platen 122 are detected as any of the above eight positions, each of which is arranged at a position corresponding to the width of the originals classified into R, Letter, or Legal. Is given to the main control unit 1. When originals having different widths are placed on the platen 122 in an overlapping manner, the width sensors 127, 1
Since the width sensors 127, 127,... May be erroneously detected by the width sensors 127, 127,. , It is possible to avoid erroneous detection. The document feeding section 12 and the document reading section 11 other than the presser lid 121 constitute an ADF (Auto Document Feeder) type reading apparatus, and the first and second carriages 134 a and 134 b The light transmitting plate 112 is moved upward.
The image of the document passing above is read. Also, presser lid
An FB (Flat Bed) type reading device is configured by the document reading unit 11 and the document reading unit 11, and the first and second carriages 134 a and 134 b are scanned and moved below the document placing plate 111, and the document placing plate 111 is moved.
The image of the original placed on top is read. The facsimile apparatus having a copying function as an image reading and printing apparatus according to the present embodiment has the above-described hardware configuration and has a facsimile communication function of a general G3 system or the like. In addition, a copy function for enlarging or reducing an image of a document and printing the image on paper is provided. However, since such functions related to copying are stored in the ROM 6 as a computer program, such functions will be described below. FIGS. 5 and 6 are flowcharts showing the processing contents of the main control unit 1 of the facsimile apparatus when the facsimile apparatus having a copying function as the image reading and printing apparatus according to the present invention performs copying. . The user operates the operation unit 8
When the user presses a copy key (not shown) provided in the printer, a copy mode is set and a copy initial setting process is executed (step 1). Then, for one minute from the execution of step 1, the operation unit 8
(Step 2). If there is no key input, it is determined that the user has interrupted the copy operation, and the process returns to the copy initial setting process of step 1. If there is a key input from the operation unit 8 within one minute after the execution of step 1, this key input is used as a reset key, an expansion key, a reduction key, and a scaling key used in the copy mode. , Tray selection key, image quality key,
It is checked whether the density key, the sort key, or the start key has been pressed (step 3). If it is determined in step 3 that the key input is a key used in the copy mode, a process corresponding to the function of each key is executed (step 4). For example, with the reset key, the process returns to step 1 assuming that the user has requested that the copying operation be interrupted. With the enlargement key, each time this key is pressed, the copy magnification is sequentially switched to 129%, 200%, and 100%. With the reduction key, each time this key is pressed, the copy magnification is sequentially switched to 78%, 64%, 50%, and 100%. With the scaling key, the copy magnification is changed by 1% each time this key is pressed. With the tray selection key, the paper feed tray is sequentially switched to the first tray, the second tray, the third tray, and the manual tray.
With the image quality key, the image quality is switched to the image quality, super high image quality, high image quality, and standard image quality sequentially. With the density key, the toner density is sequentially switched by a predetermined increment. With the sort key, ON / OFF of the sort function of the printed paper is alternately switched. With the start key, copying is started under the conditions set by the key operation described above. The operation result of each key in the above step 4 is displayed on the display unit 7. In step 3, if the key input is not a key used in the copy mode, the CCD array 114 and the width sensor 127 determine whether a document is placed on the document placing plate 111 or the document table 122. , 127,... (Step 5), if a document is placed, whether the current copy magnification is 100% and a paper feed tray other than the manual feed tray is selected. It is confirmed whether or not it is (step 6). If the current copy magnification is 100% and a paper feed tray other than the manual feed tray is selected, a tray selection process is executed (step 7), and the process returns to step 2. If it is determined in step 6 that the current copy magnification is other than 100%, or if the manual feed tray is selected, the process returns to step 2. In step 5, the original is placed
When no is 100% current copy magnification, and checks whether the paper feed tray other than manual feed tray is selected (Step 8), a current copy magnification is 100%, except manual feed tray If the paper tray is selected,
Select the first tray (step 9), and return to step 2. If it is determined in step 8 that the current copy magnification is other than 100%, or if the manual feed tray is selected, the process returns to step 2. In any one of the above-described steps, when the copy key is pressed again or the start key is pressed to complete the copy, the copy mode is released and the process ends. FIG. 7 is a flowchart showing the processing contents of the main control section 1 in the copy initial setting processing. First, the copy magnification is set to 100%, the density is set to normal, the image quality is set to ultra-high image quality, and the sort function is set to OFF (step 11), and the original is placed on the original placing plate 111 or the platen 122. It is determined based on the detection results of the CCD array 114 and the width sensors 127, 127,... (Step 12). Original is placed
If not , select the first tray (step 1
3) If a document is placed , a tray selection process is executed (step 14), and steps 2 to 9 in the copy mode are performed.
Execute the processing of FIG. 8 shows the main control unit 1 associated with the tray selection process.
5 is a flowchart showing the processing contents of FIG. First, CCD
The width of the document is calculated based on the detection results of the array 114 and the width sensors 127, 127,... (Step 21), and sheets having the same width as the width of the calculated document are stored in the paper storage trays 91, 91,. (Step 22), and if no paper of the same width is stored , select AUTO (step 23). If there is paper of the same width, One of the paper storage trays 91 storing paper having a width similar to the width is selected (step 24), and the processing of steps 2 to 9 in the copy mode is executed. The processing in step 24 is, specifically,
Based on the width of the detected document, the size of the document is set to A5,
A5R or A4, A4R, B5, B5R or B4, B4
The document is sorted into eight sizes of R, letter, or legal, and is compared with the size of the paper stored in the paper storage trays 91 based on the size of the selected document. At this time, priorities are set in advance in the comparison conditions, and papers of the same size, papers of the same width, papers of approximately the same size, etc. are compared in this order, and papers meeting the higher priority comparison conditions are compared. Is selected as the paper storage tray 91 in which is stored. If there is no suitable sheet, the first tray is selected. For example, when a letter-size original is read, the width of the detected original is 216 mm. Therefore, if there is letter-size paper in the paper storage tray 91, the paper storage in which the letter-size paper is stored is stored. Select the tray 91. If there is no letter-size paper, the paper storage tray 91 storing legal-size paper having the same width is next selected. Similarly, when an A5R original is read, the width of the detected original is 210 mm.
If there is A5R size paper in 91, the paper storage tray 91 storing A5R size paper is selected. If there is no A5R size paper, then the paper storage tray 91 storing A4 size paper of the same width is selected. And A4
If there is no paper of the size, the paper storage tray 91 storing the paper of the B5R size, which is the size closest to the A5R size, is selected. In any of the above cases, copy printing is performed at the same magnification. As described in detail above, in the image reading and printing apparatus according to the present invention, the display means stores the paper of the same size or the same width as the document width detected by the detection means in the storage means.
When the document is not loaded, the automatic display of AUTO, which is determined by the size of the original and the paper to be printed, is initially displayed.
And then, further, in accordance with the switching of the magnification by the switching means AUTO
Display is prohibited and only the fixed magnification is displayed.
Since TO is not displayed, troublesomeness is eliminated. Also, after the switching means is operated , the magnification other than AUTO is cyclically displayed on the display means in a predetermined order. It is possible to switch to a desired magnification. [0047]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration example of a facsimile apparatus having a copying function as an image reading and printing apparatus according to the present invention. FIG. 2 is a side sectional view showing a more specific configuration example of the reading device. FIG. 3 is a perspective view of FIG. 2; FIG. 4 is a perspective view of FIG. 2; FIG. 5 is a flowchart showing processing contents of a main control unit of the facsimile apparatus when a facsimile apparatus having a copy function as an image reading and printing apparatus according to the present invention performs copying. FIG. 6 is a flowchart showing processing contents of a main control unit of the facsimile apparatus when a facsimile apparatus having a copy function as an image reading and printing apparatus according to the present invention performs copying. FIG. 7 is a flowchart showing the processing contents of a main control unit accompanying the copy initial setting processing. FIG. 8 is a flowchart showing the processing contents of a main control unit accompanying the tray selection processing. [Description of Signs] 1 Main control section 7 Display section 8 Operation section 9 Printing section 10 Reading device 91 Paper storage tray 114 CCD array 127 Width sensor

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-2-51170 (JP, A) JP-A-4-256973 (JP, A) JP-A-5-188705 (JP, A) JP-A-9-1997 292800 (JP, A) JP-A-5-63904 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04N 1/393

Claims (1)

(57) [Claim 1] In an apparatus for reading a document image and performing enlargement / reduction printing, a storage means for storing sheets of a plurality of sizes, a detection means for detecting a document width, Means for selecting an automatic magnification for printing an original image at a magnification corresponding to a predetermined paper width when paper having the same size or the same width as the original image is not stored in the storage means according to a detection result by the detecting means; Display means for displaying one of a plurality of enlargement / reduction magnifications including the automatic magnification; switching means for switching the display content of the display means to another magnification; and when the switching means is operated. Other than the automatic magnification
Predetermine any of the enlargement / reduction of multiple magnifications
An image reading and printing apparatus , comprising: means for displaying on the display means cyclically in order; and means for enlarging / reducing a document image based on the display content of the display means.