JPH0233164A - Mark imprinting device for copying machine - Google Patents

Abstract

PURPOSE:To prevent the commodity value of a copying machine from being depreciated by imprinting a punch reference mark only in the case of copying a specified number-th sheet at the time of using an automatic document feeder. CONSTITUTION:In the case of copying many sheets for many documents by utilizing the automatic document feeder 45 and a sorter 100, it is necessary that the punch reference line is prepared for the uppermost or the lowest copied substance group sorted every bin 31a-31j of the sorter 100 in order to imprint the punch reference line 42. In the case of exceeding the limit of the respective copied substance group on the respective bins 31a-31j, it is good to imprint said line every specified number of sheets. At the time of selecting a sorting mode and a mark imprinting mode in a state where the feeder 45 is used, the punch reference line is controlled to be imprinted only in the case of copying the last document and the specified number-th document. The actions of the copying machine are controlled by a microcomputer.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a mark imprinting device for imprinting punch reference marks in a copying machine. It is used to display information to provide a positional reference when punching holes.

(Prior art) As a mark imprinting device of this kind, the conventional
A punch reference line military classification device described in Japanese Patent No. 9938 is known.

In this method, a punch reference line is imprinted on one side of a copy obtained using a normal copying process, and it is possible to provide a positional reference when punching holes without the need for a special copying process. Therefore, it is convenient.

In addition, this product has an adjustable pointer for imprinting the punch reference mark, and by changing the position of the pointer, the position of the punch reference mark can be adjusted, or if the punch reference mark is not imprinted. There is.

(Problem to be Solved by the Invention) By the way, when an automatic document feeder and a sorter are used to automatically copy and sort a large number of documents one after another, the topmost one is A punch reference mark may be provided only for the lowest copy, and a bunch reference mark may be provided for each predetermined number of copies if the number of copies in each unit exceeds the limit for punching holes in one operation. Providing more punch reference marks than necessary becomes an eyesore and reduces the value of the product.

Furthermore, toner is wasted, so when printing punch reference marks using an automatic document feeder, the present invention sorts the sheets after copying so that one copy of each document forms one set. A punch reference mark imprinting device for a copying machine that can solve the above-mentioned problems by automatically imprinting a mark only on the highest or lowest sheet of paper or every predetermined number of sheets is provided. The purpose is to provide

(Means for Solving the Problems) In order to achieve the above-mentioned objects, the present invention provides a copying machine equipped with an automatic document feeder, a mark imprinting means for imprinting marks, and an automatic document feeder. In use, the apparatus is characterized by comprising a control means for operating the mark imprinting means only when copying a predetermined number of original documents.

(Function) When the automatic document feeder is used, the control means controls the number of sheets fed from the automatic document feeder, such as the first sheet at the start or end of feeding, or the required number of sheets. The mark imprinting means is operated only when copying the original, and in addition to forming an image corresponding to a predetermined number of originals, it is possible to imprint a punch reference mark around the copy sheet.

(Embodiment) An embodiment in which the present invention is applied to a centering type electrophotographic copying machine as shown in FIGS. 1 and 2 will be described.

This electrophotographic copying machine is provided with a photosensitive drum 2 that is driven counterclockwise at approximately the center of a machine body 1. As shown in FIG.

Around the photoconductor drum 2, there is a main eraser lamp 3,
A main charger 4, a developing device 5, a transfer charger 6, a separation charger 8 for the copy sheet 7, a cleaning device 9, etc. are arranged in order in a counterclockwise direction.

The photoreceptor drum 2 has a photoreceptor layer provided on its surface, and this photoreceptor layer is charged by passing through the main eraser lamp 3 and the main charger 4, and the photoreceptor layer is charged by passing through the main eraser lamp 3 and the main charger 4. The image is exposed by an exposure optical system 11 provided below. The exposure optical system 11 includes a light source 12, movable mirrors 13, 14, 15, a projection lens 16, and a mirror 17. The light source 12 and the movable mirror 13 move to the left at a speed of (V/n) (where n: copying magnification) with respect to the circumferential speed (V) of the photosensitive drum 2 (constant regardless of whether the magnification is the same or variable magnification). The movable mirror 14.15 moves to (
It is driven by a DC motor M1 to move leftward at a speed of V/2n), scans the original image on the original placing glass 10, and exposes the photosensitive drum 2 with slit light. Note that when changing the copying magnification, the projection lens 16 is moved on the optical axis by the stepping motor M2, and the mirror 17 is moved or oscillated. M3. is a main motor, and M4 is a developing motor.

In the lower part of the machine 1, paper feed sections 20.21 each having a paper feed roller 18.19 are installed, which transfer the copy sheet 7 between the photoreceptor drum 2 and the transfer and separation chargers 6.8. The paper is fed to the Paper feed section 20.21
A manual paper feeding section 22 is also provided at the upper part of the paper. Also, there is a register roller 23 that takes care of paper feeding timing just before the transfer section.
is provided. On the other hand, behind the transfer section, there are provided a conveyor belt 24, a fixing device 25, and a pair of discharge rollers 30, which receive the toner image transferred from the photoreceptor drum 2 and convey the separated copy sheet 7. After the sheet 7 is fixed in the fixing device 25, it is transferred to the machine 1 via the discharge roller 30.
The paper output tray 31 of the outer sorter 100 and each bin 31a to 3
Paper feed sections 33 and 34 are also provided in the base 29 on which the 0 machine 1 which is to be ejected to paper 1j is placed, and can be used selectively.

Further, an inter-image eraser unit 32 is provided at a position around the photosensitive drum 2 and between the exposure section and the charger 4. When this inter-image eraser unit 32 is operated, it removes each charge received by the charger 4 on the photoreceptor drum 2, and prevents formation and development of an electrostatic latent image in the removed portion. do. This is commonly used to prevent image formation between images formed on the photoreceptor drum 2.

As shown in FIGS. 1 and 2, a document scale 41 is provided on one side of the document placement glass 10 on the top surface of the device l. This manuscript scale 41 has a center reference scale that matches the aircraft 1, which is a center alignment method, and has
As an example, a scale 41a for countries that mainly use the B series is provided.

On the back side of the original scale 41, as shown in FIGS. 2 and 3, a punch reference line 42 is provided at the center position common to each original size, and only the original with one edge touching the original scale 41 can be copied. It is not copied using normal copying. Therefore, in order to copy the punch reference line 42, by changing the paper feeding timing by the register roller 23 only when the punch reference line imprinting mode is selected, the copy image area is set to the original scale 4.
1 side so that the punch reference line 42 can be imprinted and copied as necessary.

Further, an automatic document feeder 45 is installed on the body 1. The automatic document feeder 45 sends out the sheet document on the document tray 40 using a conveyance roller 47 and a pair of separating rollers 47a, conveys it to a predetermined position on the document placement glass IO with a conveyance belt 48, and once stops the sheet document for exposure. Thereafter, it is transported again and discharged onto the discharge tray 49. A switch 94 for detecting the presence of a document on the document tray 40 is provided near the end of the document tray 40 in the paper feeding direction. When the document is transported onto the document tray 4, the switch 94 is activated.
It is detected that the original on the original is no longer present on the original on the original placing glass 10, and it is determined that the original on the original on the original placing glass 10 is the final original.

Further, a document detection switch 95 for counting the number of documents sent out from the document tray 40 is provided on the conveyance path between the document tray 40 and the document placement glass 10.

In the automatic document feeder 45 in this embodiment, the document is placed on the document tray 40 with the front side facing down.
The uppermost original, that is, the last page, is sequentially fed onto the original placing glass 10, and after image exposure, is ejected onto the ejection tray 49 with the front side facing up.

The sorter 100 operates differently depending on whether sort mode or non-sort mode is selected using a selection key, which will be described later. When the sort mode is selected, the sorter 100 sequentially sorts multiple copies of each original into each bin starting from the bin 31a. The sorted copies are sequentially discharged one by one, and when the non-sort mode in which no sorting is performed is selected, all copies are discharged onto the paper discharge tray 31.

An operation panel 51 as shown in FIGS. 2 and 42 is provided at the upper front of the body 1. The operation panel 51 has a print key 52, as shown in detail in FIG. A clear/stop key 54 is used to clear the number of copies to be made in the group or to interrupt the copying operation in the middle.
, an interrupt key 55 for interrupt copying is provided.

A display section 56 for displaying the number of copies, etc. is provided above the print key 52. Copy density adjustment keys 57 and 58 and a copy density display section 59 are provided beside the display section 56.
When key 7 is operated, the copy density becomes darker, and when key 58 is operated, the copy density becomes lighter.

A copy size switching key 60 and a copy size display section 61 are provided next to the numeric keypad group 53, and by operating the key 60, the currently used paper feed section is switched to the use state of another paper feed section and the display is displayed. In section 61, the copy size corresponding to the switched paper feed section is displayed.

Next to the copy size switching section are a selection key 62 for arbitrarily selecting a copy magnification, a specific magnification display section 63 that shows the copy magnification in relation to the original size and copy size, and a selection key 64 for selecting a specific magnification accordingly. .65.66 Furthermore, the operation display section 62a of each of these keys 62, 64, 65, 66,
64a, 65a, and 66a are provided, respectively.

Further, the punch reference line 42 is located near the specific magnification display section 63.
Select the mode of whether or not to take pictures.

A mark imprinting mode selection key 67 and a display section 67a for displaying the selection made by the key are provided. When the mark imprinting mode selection key 67 is operated, the normal mode is switched to the punch reference line imprinting mode, and when it is operated again, the mode returns to the normal mode.

Above the mark imprinting mode selection key 67, there is provided a sort mode selection key 68 and a display section 68a for displaying the selection made by the sort mode selection key 68. When the sort mode selection key 68 is operated, the mode is switched from the non-sort mode to the sort mode, and when it is operated again, the mode returns to the non-sort mode.

By the way, when copying a large number of originals one by one using the automatic document feeder 45 and the sorter 100, the punch reference line 42 is printed on the sorter 1.
It is only necessary for the top or bottom of the group of copies sorted into each of the 00 bins 31a...-31j.
Furthermore, if the number of copies in each group of copies on each bin 31a, . If the punch reference line 42 is imprinted on all the transfer sheets 7, it will be a nuisance and the value of the copy will be diminished, furthermore, toner will be wasted.

Therefore, in this embodiment, when the automatic document feeder 45 is used and the sort mode and mark imprint mode are selected,
The punch reference line 42 is set to the last document and a predetermined number of sheets, for example, 20 pages.
It is controlled so that it is copied only when copying with the first original. This solves the above problem.

The operations of the copying machine described above are controlled by a microcomputer (hereinafter referred to as microcomputer) 81 shown in FIG. 5, to which the various operating means, operation section, display section, etc. are connected. Inter-image eraser unit 32 is controlled via eraser control circuit 82 .

In addition to the above, the microcomputer 81 also has a main motor 6, a developing motor M4, and a clutch CL+ for the register roller 23.
, clutch CL of the upper paper feed roller 18! , lower paper feed roller 1
9, a sheet position detection sensor 91 immediately in front of the register roller 23, a fixed position detection switch 92 for the first mirror 13 serving as a scanner, an image leading edge position detection switch 93, and the like are also connected. Furthermore, the microcomputer 81 also controls a switch 94 for detecting that a document is set on the document tray 40 in the automatic document feeder 45 and that the document is removed, and a document detection switch 95 for counting the documents sent out from the document tray 40.
It is connected to the.

Next, based on the flowcharts shown in FIG. 6 and subsequent figures, the punch reference line printing control will be mainly explained.

First, in the main flow of copying operation control shown in FIG. 6, in step #l, the microcomputer 81 performs an initial operation after being reset, and in step #2, an internal timer that defines the time for one routine is set, and then in step #3. In step #3, it is determined whether or not copying is in progress. If copying is in progress, proceed to step #6; if not, proceed to step #4. In step #4, mark imprint mode is selected. It is determined whether or not the mark imprint mode is selected, and the mode is set accordingly.

Next, the process moves to step #5, and other settings such as the sort mode and the number of copies are made using the key 68, and the process moves to step #6. In step #6, register control is performed by turning on and off the register roller 23, and in the next step #7, control is performed when mark imprint mode and sort mode are set when using the automatic document feeder. Step #
At step 8, the other scanning systems and the photosensitive drum 2 are controlled. At the final step #9, a 1-routine timer is checked, and when the timer exceeds, the process returns to step #2.

The mode setting subroutine in step #4 will be explained based on the flowchart shown in FIG.

In steps #100a to #100c, the state counter SCI is checked, and depending on whether it is from O to 3, steps #101, #107, #109,
Branch to either #114.

In step #101, mark rotation mode selection key 67
Determine whether the is on, and if it is not on, return as is,
When it is on, it is determined in step #102 whether it is the sort mode. Here, the state in which the key 67 is pressed by the operator is defined as "on", and the state in which it is not pressed by the operator is defined as "off". In the sort mode, in steps #103, #105, and #106, the flag F1, which means setting the mark pass mode, is set, the Ero 67a is lit, and the state counter SC is set.
Increment I.

When not in the sort mode, set the shift amount to 211IIIl in step #104 and proceed to steps #105 and #10.
Proceed to step 6. This shift amount shifts the timing of feeding the copy sheet 7 to the transfer unit based on the drive timing of the register roller 23 so that the punch reference line 42, which does not enter the copy area in the non-mark wrapping setting state, enters the copy area. This can be arbitrarily determined according to the set length of the punch reference line 42 to be printed.

Step #107 when state counter SCI is 1
It is determined whether the key 67 is turned off. This determines whether the key 67 has been turned off after being turned on, that is, whether the operation of the key 67 has been completed. If it remains on, the process returns as is, and if it remains off, it means that the key 67 has been operated once without the mark pass mode being set, and the state counter SCI is incremented in step #lO8.

Step #109 when state counter SCI is 2
It is determined whether the key 67 is on, and if it is on, it means that it was turned on again when the mark rotation mode was set, which means that the mark rotation mode setting is cancelled, so step #110 to #1
13, set the shift amount to 0, set the flag F1 to 0, and turn on the LED.
67a and increments state counter SCI.

Step #114 when state counter SCI is 3
It is determined whether the key 67 is off or not, and if it is not off, the program returns directly. If it is off, the state counter SCI is set to O at step #113.

As a result, when the mark wrapping mode is set in the non-sort mode, the punch reference line 42 is printed every time copying is performed.

The automatic document feeder control subroutine in step #7 will be explained based on the flowchart of FIG. 8.

In steps #400a to #400c, the state counter SC2 is checked, and judgment is made depending on whether it is 0 to 3. Steps #401, #405, and #41
3, branch to either #417.

Step #401 when state counter SC2 is 0
Proceed to step #40, determine the flag Pi, and if it is 1, proceed to step #40.
Proceed to step 2. In step #402, it is determined whether or not copying is in progress. If copying is in progress, the document counter is incremented in steps #403 and #404, and the state counter SC is
Increment 2.

When state counter SC2 is 1, step #40
Proceed to step 5. In step #405, the document detection switch 95
It is determined whether or not the original has been replaced based on the signal from .If the original has been replaced, the original counter is incremented in step #406, and it is determined in step #407 whether the counter value is 20. When it is 20, steps #408 and #409 are performed. Set the shift amount to 2 beeps and set the state counter SC2 to 2.
Make it.

If it is not 20, it is determined in step #410 whether the document sent to the document placement glass is the final document, and if it is the final document, the shift amount is set to 2 in steps #411 and #412.
m and state counter SC2 to 3. As a result, the punch reference line 42 is copied when copying either the last sheet of the document or every 20th sheet. Note that in this embodiment, copies are made sequentially starting from the last page of the manuscript, and the first page, which is the cover, is copied last, so the mark is imprinted on the final manuscript. In automatic document feeders and copying machines that eject documents with the front side facing down, it is preferable to imprint the mark when copying the first document.

When state counter SC2 is 2, step #41
3, it is determined whether the original has been replaced, and if it has been replaced, the original counter is set to 1 in step #414, and the original is replaced.
15, in #416, the shift amount is set to 0■ and the state counter SC2 is set to 1.

Step #417 when state counter SC2 is 3
The document on the document placement glass 10 is moved to the ejection tray 49.
It is determined whether the document has been ejected upward, and if it has been ejected, the process proceeds to steps #418 to #420, where the document counter is set to 0, the shift amount is set to 0, and the state counter SC2 is set to 0.
Make it.

Furthermore, the register control subroutine in step #6 will be explained based on the flowchart of FIG.

Steps #200a to 200e check the register timing control state counter SC3, and depending on whether it is θ to 5, steps #201 to
Branch to either #251. state counter S
When C3 is 0, the process branches to step #201 and checks whether copying is in progress. If copying is not in progress, the process returns directly. If copying is in progress, the process proceeds to step #202 and checks to see if sensor 91 is turned on in front of register roller 23. is determined, and when it is off, it returns as is, and when it is on, it proceeds to steps #203 and #204, sets a timer ↑ for the paper to loop and stop at the register roller 23, and increments the state counter SC3.

Step #211 when state counter SC3 is 1
The program proceeds to step #212 and step #213 to check whether the timer has expired or not, and if it has not, the program returns to step #212 and step #213 to operate the scanning motor M1 and increment the state counter SC3.

When state counter SC3 is 2, step #22
Step 1 checks whether the scanning system switch 92 is turned on, and if it is off, returns as is. If it is turned on, the process goes to steps #222 and #223, where the shift amount is processed from the timer T2 that turns on the register roller 23. The value obtained by subtracting the value divided by the speed is set in the timer, and the state counter SC3 is incremented.

Step #231 when state counter SC3 is 3
The program proceeds to step #232 and step #233, where it checks whether the timer has expired or not. If it has not, the process returns to step #232 and step #233, where the register roller clutch CLI is turned on and the state counter SC3 is incremented. As a result, when the motor is far from the mark, the register roller 23 is turned on 2 tn earlier and the punch reference line 42 is recorded.

Step #241 when state counter SC3 is 4
Go to and check if 91 is off. When it is on, return as is, and when it is off, step #24
2, Proceed to #243, and the paper will be moved to register roller 2.
Set the timer T3 enough to get out of 3,
Increment state counter SC3.

When state counter SC3 is 5, step #25
1, it checks whether the timer has expired or not, and if it has not, it returns directly. When it has finished, it proceeds to steps #252 and #253, turns off the CLI, and sets the state counter SC3 to 0.

In the above embodiment, punch reference lines are printed for the last first sheet of document feeding and for each required number of sheets. It may be both, and one or more timings can be set as appropriate to accommodate various situations.

In this embodiment, when the far-from-the-ear mode and the sorting mode are selected, marks are imprinted when copying a predetermined number of originals; however, in a copying machine without a sorter, the predetermined operation By manipulating the means, if the marks are similarly imprinted only when copying a predetermined number of originals, when the originals are later sorted into groups, the marks will be imprinted at the top or bottom, or after each predetermined number of sheets. You can get an embedded copy.

In addition, images are scanned by moving the original on the original platen glass with the copying machine's scanning system fixed, and the same group of originals is repeatedly fed onto and ejected onto the original platen glass. A copying machine equipped with a circulating document conveyance device has been proposed or published (Japanese Unexamined Patent Publication No. 55-98762), but this type of device similarly prints marks only on a predetermined number of documents. A similar effect can be achieved by making it more crowded.

(Effects of the Invention) According to the present invention, when the automatic document feeder is used, the first page at the start or end of document feeding, or the punch hole, is set to a predetermined number of sheets, such as the required number of sheets according to the work limit. Since the punch reference mark is imprinted only when copying the eyes, it is possible to prevent the imprinting from being performed without any restriction, causing an eyesore and reducing the product value, and toner being wasted. will also be resolved.

[Brief explanation of the drawing]

FIG. 1 is a schematic sectional view showing an embodiment of the present invention applied to a centering type copying machine, FIG. 2 is a perspective view of a part of the machine body, FIG. 3 is a perspective view of a document scale, and FIG. 5 is a control circuit diagram, FIG. 6 is a flowchart showing the main routine of operation control, and FIG. 7 is a flowchart showing the copy mode setting subroutine.
FIG. 8 is a flowchart of the automatic document feeding subroutine, and FIG. 9 is a flowchart of the register control subroutine. 7−・−・・・・・・・−・−・−・・−・−・−・−Copy sheet 2・・・・・・・−1−−−・−・−・・−・
-------m-Photoreceptor drum 5 ・----
−−−・・−Developing device 6 −−−−−・・−
Transfer charger 11 --- Exposure optical system 20.21.33.34 --- Paper feed section 25--
・ ・−・−・・−・−・Fixing device 23−・
・−・・−・−・−・・−・−・・−−
・−・・・・−Automatic document feeder 67−・・−
・−・・・・−・・・−・−・−Mark Far from ear mode selection key 68・・・−・−・−・−・−・−・・
・・・・・・−・・・−・−Sort mode selection key 81・−
・・−・・−・・・−・−・−・−Microcomputer 1
00・−・−・・−・−・−・・・・・・・−・
・-Sorter Figure 6

Claims (1)

[Claims] (1) In a copying machine equipped with an automatic document feeder, a mark imprinting means for imprinting a mark, and a control means for operating the mark imprinting means only when copying a predetermined number of originals when the automatic document feeder is used. A mark imprinting device for a copying machine, characterized by comprising: