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Image forming apparatus and control method thereof

A control method and image technology, which are applied in image communication, electrical recording process applying charge pattern, equipment for electrical recording process applying charge pattern, etc., can solve problems such as hindering transportation, and achieve the effect of preventing conflict

Inactive Publication Date: 2016-02-24
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the original conveying path and the printed material conveying path are partially shared, the original and printed material may conflict with each other on the common conveying path, thereby hindering each other from being conveyed

Method used

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  • Image forming apparatus and control method thereof
  • Image forming apparatus and control method thereof
  • Image forming apparatus and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0038]

[0039] The first embodiment will describe an MFP (Multi Function Peripheral) having an image forming function and an image reading function as an application example of the image forming apparatus according to the present invention. will refer to Figures 1 to 9 Image reading processing and printing processing in the MFP1 will be described. It will be described when both sides of the original G fed and conveyed from the second sheet feeding unit 90 are read, and both sides of the sheet S fed and conveyed from the first sheet feeding unit 30 are read. Operation of the MFP 1 when forming an image read from a document G.

[0040] refer to figure 1 An example of the arrangement of the MFP is explained. A rotatable photosensitive drum 10 as an image carrier and a developing roller 11 juxtaposed with the photosensitive drum 10 and rotating while holding toner are arranged at the center of the MFP 1 . Upon receiving a print signal, the light emitting unit 21 of the opt...

no. 2 example

[0102] The second embodiment will describe a case where the host computer 1000 can specify in a print instruction to preferentially execute print processing among print processing and scan processing.

[0103]

[0104] refer to Figure 17 The flowchart of FIG. 1000 describes the priority setting performed by the printer driver 1103 in the host computer 1000 in relation to a print instruction. Note that the program of the printer driver 1103 is stored in the external memory (HD) 1011 of the host computer 1000 , and the program of the printer driver 1103 is read out to the RAM 1002 and executed by the CPU 1001 .

[0105] First, when instructed to execute print processing for a document, the application 1101 calls the printer driver 1103 via the graphics engine 1102 . In step S1701, the print control unit 1201 receives print data of a document and a print instruction corresponding to a print processing execution instruction from the graphics engine 1102.

[0106] In step S170...

no. 3 example

[0125] The third embodiment will describe a case where the host computer 1000 can specify in a scan command to preferentially execute scan processing among print processing and scan processing.

[0126]

[0127] refer to Figure 20 The flow chart of FIG. 1000 describes the priority setting performed by the scanner driver 1302 in the host computer 1000 in relation to scan commands. Note that the program of the scanner driver 1302 is stored in the external memory (HD) 1011 of the host computer 1000 , and the program of the scanner driver 1302 is read out to the RAM 1002 and executed by the CPU 1001 .

[0128] First, the application 1301 calls the scanner driver 1302 when it is instructed to perform reading (scanning) processing for the original G set in the second sheet feeding unit 90 of the MFP 1 . In step S2001 , the scan control unit 1401 of the scanner driver 1302 receives a scan instruction corresponding to a scan processing execution instruction from the application 13...

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Abstract

This invention provides a technique of preventing a collision between an original document and a printing material on a conveyance path which is partially shared for conveyance of them in an image forming apparatus. The image forming apparatus of one aspect of this invention, which includes a printing unit configured to convey a printing material via at least part of a conveyance path used for original document reading processing, and execute printing processing of an image on the printing material, executes if the original document reading processing is not being executed when the printing processing of the image on the printing material is instructed, the printing processing without waiting for completion of the reading processing, and executes, if the original document reading processing is being executed, the printing processing upon completion of the reading processing.

Description

technical field [0001] The present invention relates to an image forming device and a control method thereof. Background technique [0002] Conventionally, in an image forming apparatus that reads an original to generate image data and prints an image on paper based on the image data, an original conveyance path for conveying the original and a conveyance for conveying printing materials such as printing paper are configured independently. path. While reading a document, the image forming apparatus performs a process of printing an image on a printing material. [0003] In Japanese Patent Laid-Open No. 2000-185881, the reading unit is inserted in the printing material conveying path extending from the sheet feeding unit to the discharging unit, whereby the original conveying path and the printing material conveying path are partially shared to reduce the size of the device. size of. [0004] When the original conveying path and the printed material conveying path are part...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00G03G21/14
CPCH04N1/00596G03G15/234G03G15/602G03G15/6529G03G2215/00928H04N1/00578H04N1/0058H04N1/00586H04N2201/0094
Inventor 高桥康弘
Owner CANON KK
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