JPH049873A - Copying machine provided with computer form feeder - Google Patents

Abstract

PURPOSE:To release a user from troublesome work such as the removal of a continuous form (CF) after the copying processing thereof is finished by providing a means which feeds all of the residual CF when it is discriminated that the canning of the original of the final page is finished. CONSTITUTION:A sproket 6 is provided to the lower part of an original platen 1. By the sproket 6, CF is carried to a stock table 5 on a right side from a CF mounting table 4 on a left side. Besides, a CF end detection sensor S1 which detects the trailing edge of the CF is provided to the left part of the original platen 1. Then, when the copying action is repeated and the processing of all originals which should be copied is finished, the sproket 6 is rotated and all the CFs left on the CF mounting table 3 side are carried to the stock table 5 side. It is discriminated because the sensor S1 is successively turned on that the copying of the whole pages of the original is finished. Thus, since the residual CFs are automatically fed after the copying processing is finished, a troublesome handling time that the CF hung to the sproket or the like is removed by the user for him/herself is saved.

Description

DETAILED DESCRIPTION OF THE INVENTION (AL Industrial Field of Application) This invention relates to a CF feeder C (hereinafter referred to as CFF) that conveys a computer form (hereinafter referred to as CF) output from a computer along a document table. The invention relates to a copying machine.

(b) Prior Art] Generally, for printing data output from a computer, continuous paper (continuous paper with feeder holes formed at both ends of the paper) (
CF) is used. Some copying machines for copying images of the CF include a CFF that has a sprocket near the document table to feed the CF and set the page to be copied on the document table in a predetermined area on the document table.

Further, such a copying machine is equipped with a sensor that detects a jam in the CF, and when a jam occurs, the occurrence of the jam is displayed on an operation section on the top surface of the copying machine main body to prompt clearing of the jam.

(C) Problems to be Solved by the Invention By the way, in conventional copying machines equipped with an OFF function, the conveyance operation of the copying machine stops after all the pages to be copied on the CF have been copied, so the copying process is stopped. Afterwards, the user has to remove the remaining CF by himself, which is a hassle.

SUMMARY OF THE INVENTION An object of the present invention is to provide a copying machine that can relieve the user from the troublesome task of removing the CF after the CF copying process is completed.

Means for Solving the FD1 Problem The first invention according to this application includes a means for determining the end of the original scanning process for the last page among the pages to be copied on a computer form, and a means for determining the end of the original scanning for the last page. and means for feeding all the remaining computer forms when the computer form is loaded.

A second invention also provides a means for determining the end of the original scanning process for the final page among the pages to be copied on the computer form, and a means for determining the end of the original scanning process for the final page, and a means for feeding all remaining computer forms when it is determined that the original scanning process for the final page is completed. and means for not displaying a jam when the jam sensor detects occurrence of a jam when feeding the remaining computer form.

(61 Effect) In the first invention of this application, when scanning of the final page of the original among the pages to be copied is completed, all remaining CFs are automatically fed.

Therefore, there is no need for the user to remove the CF after copy processing, and operability is improved.

Further, in the second invention, when a jam is detected while feeding the remaining CF, the occurrence of a jam is not displayed. Therefore, a confusing display of "jam occurrence" will not be displayed after all pages to be copied have been scanned.

Embodiment FIG. 4 is a schematic front view of a copying machine equipped with a CFF which is an embodiment of the present invention.

A document table 1 made of transparent hard glass is provided on the top surface of the copying machine main body. A CF is placed in a predetermined area on the document table 1.
Originals such as paper, sheets, books, etc. are set. Below the document table 1 are a light source 2a, mirrors 2b to 2e, and a lens 2f.
The optical system 2 includes an optical system 2 that scans a document placed on a document table 1 and guides its reflected light to a photoreceptor 3 of the main body of the copying machine.

A CF mounting table 4 for placing uncopied CFs is provided on the upper left side of the main body of the copying machine, and a stock table 5 for discharging copied CFs is provided on the right side. Also, manuscript table 1
A sprocket 6 is provided at the lower part of the sprocket. The CF is conveyed by this sprocket 6 from the CF@placement stand 4 on the left side to the stock stand 5 on the right side. Note that 31 on the left side of the document table 1 is a CF end detection sensor that detects the rear end of the CF.

A charging device 7 is provided around the photoreceptor 3. Developing device 8 Transfer device 9
A copying process device such as the following is provided. Further, on the right side of the main body of the copying machine, there is provided a paper feed section 7 including a paper feeder containing paper. During copy processing, paper is fed from the paper feed section 7 to a position between the photoreceptor 3 and the transfer device 9, and a toner image is transferred onto the paper here. This sheet further passes through a fixing device 1 on the left side of the photoconductor and is conveyed to a sheet discharge section 12 on the left side of the copying machine main body. Reference numeral 12 denotes an intermediate tray section. During double-sided copying or composite copying, the paper after the fixing process is once conveyed here, and during the next copying process, the paper is fed from this intermediate tray section instead of from the paper feed section 10. Make double-sided or composite copies by doing this. In the case of double-sided copying, the paper with an image formed on the front side is reversed from front to back using a switch hack method and then sent to the intermediate tray section 12.

Therefore, when the next image is formed, the image is formed on the back side of the paper.

A sensor S1 is placed on the left side of the document table 1, and a sensor S2 is placed on the right side. Sensor Sl is a sensor that detects a CF end, and sensor S2 is a sensor that detects a CF jam. The sensors S1 and S2 are composed of optical sensors, and are arranged so as to face the feeding hole formed at the end of the CF. FIG. 3 shows the outputs of the optical sensors Sl and S2 during CF transport. Sensor Sl.

The pulse $2 corresponds to the hole 13 provided at the end of the CF. The pulse intervals are regular because the holes in the CF are provided at regular intervals. sensor S
CF end is determined when the output is continuously turned on. Further, the sensor S2 determines that a jam has occurred when the output is continuously on or continuously off.

FIG. 2 is a block diagram of the control section of the copying machine. The operation of the copying machine is controlled by a CPU 21. As shown in FIG. CPU21
There are various sensors such as sensors SL and 32, and various input keys.
An operating section 22 including a display panel for displaying messages to the user is also connected. The CPU 21 also includes a sprocket drive system 23, a paper conveyance system 24, each copying process device (charging device 7, developing device 8, etc.) 25, and an optical system 26.
etc. are connected.

The operation section 22 is provided with a CFF mode setting key 22a, a print switch 22b, a numeric keypad 22c, a display section 22d for displaying numerical values such as the number of copies, a jam display section 22e for displaying the location of a jam when a jam occurs, and the like.

The processing procedure during CF copying processing in the copying machine configured as described above will be explained. FIG. 1 is a flowchart showing the processing procedure.

First, the OFF mode is selected by inputting the copy processing conditions, and then when the print switch is operated, the scan of the original that has been sent is performed (n1→n2→n3). This document scanning is performed for the number of copies set by the numeric keypad 22C (n4→n3). After copying several bones, the sprocket 6 is rotated to convey the CF.
Place the next copy page in the specified head position on the document table (n
6→n7→n, 8). At this time, whether or not the centering of the next document is completed is detected by the amount of rotation of the sprocket 6. For example, if you want to copy the page immediately after copying, 1
The sprocket 6 rotates by the amount of page feed. For example, when copying a page three pages later, the sprocket 6 rotates by the amount of three page feeds. By the way, if the sensor S2 is continuously turned on during page feeding, it is assumed that a jam has occurred, and the rotation of the sprocket 6 is stopped, and the jam display section 22e displays that a jam has occurred at the CFF section (n9 →nlO→n11).

The copying operation is repeated in this way, and when all the documents to be copied have been processed, the process proceeds to n12, where the sprocket 6 is rotated and all the CFs remaining on the CF mounting table 4 are transported to the stock table 5. (n12→n13→n15
). The completion of copying all pages of this original is determined by the continuous ON of sensor S1 (no CF) or by the fact that the last page has been copied if a copy page has been designated.

If a jam occurs during winding after the copying process is completed, the winding process is stopped at that point (n14→n1
5). However, in this case, no jam display is performed. This is because the copying process has already been completed, and this can prevent the confusion such as ``a jam display is displayed even though the copying process has been completed.''

After this, the ready lamp is turned on n16L to notify the user that the copying machine is in the ready state.

(G1 Effect of the Invention According to the first invention of this application, when the CF copying process is completed, the remaining CFs are automatically fed, so the user can remove the CFs hung on the sprocket etc. by himself/herself after the copying process. This eliminates the troublesome effort of this process.Therefore, there is an advantage of improved operability.

Further, according to the second invention, even if a jam occurs in the remaining CF feet, the jam display will not be displayed in that case. You can prevent confusion such as "I put it away."

[Brief explanation of drawings]

FIG. 1 is a flowchart showing the processing procedure during CF copying of a copying machine equipped with OFF, which is an embodiment of the present invention;
3 is a diagram showing the output state of a sensor for detecting CF, and FIG. 4 is a schematic front view of the copying machine. 4-CF mounting stand, 5-stock stand, 6-sprocket,
Sl, S2-CF detection sensor.

Claims (2)

[Claims] (1) In a copying machine that is equipped with a feeder that conveys the computer form along the document table and sets the page to be copied in the computer form at a predetermined position on the document table, the last page of the page to be copied in the computer form is A copying machine equipped with a computer form feeder, characterized in that the copying machine is provided with: means for determining the end of the original scanning process for the last page; and means for feeding all remaining computer forms when it is determined that the original scanning for the last page has ended. . (2) A copying machine equipped with a jam sensor for detecting a jam in the computer form conveyed along the document table, and a means for displaying a jam on the operation unit when a jam is detected by the jam sensor. means for determining whether the original scanning process for the last page among the pages to be copied has been completed; means for feeding all remaining computer forms when it is determined that the original scanning for the final page has been completed; and means for feeding the remaining computer forms. A copying machine equipped with a computer form feeder, further comprising means for not displaying a jam when the jam sensor detects occurrence of a jam during feeding.