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Image forming device and method for controlling the image forming device

A technology of imaging control and imaging device, which is applied in the direction of electric recording process applying charge pattern, equipment for electric recording process applying charge pattern, electric recording technique, etc., can solve the problems of energy consumption noise, etc. The effect of energy consumption

Inactive Publication Date: 2009-07-22
RICOH KK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, in the example of the imaging device described above, there is a problem that the companion initialization process may generate unnecessary power consumption or generate noise

Method used

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  • Image forming device and method for controlling the image forming device
  • Image forming device and method for controlling the image forming device
  • Image forming device and method for controlling the image forming device

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Embodiment Construction

[0031] Before describing the embodiments of the present invention, a description is given of an imaging device of the related art in order to better understand the present invention by comparison.

[0032] FIG. 9 shows the composition of a digital copying machine as an image forming apparatus of the related art. In this digital copying machine 50 of FIG. 9, the image data of a document 70 is read by the reading control unit 51, and the image processing of the image data is executed by the image processing section (not shown) of the engine control unit 56, and the processing The image data of is sent to the writing control unit 57.

[0033] A sensor 52 , a clutch and solenoid (CL&SOL) 53 , an automatic document feeder (ADF) 54 and a paper feeder 55 are also connected to this engine control unit 56 . The sensors 52 include an ADF document sensor that detects the setting of a document on the ADF 54 and a pressure plate open / close detection sensor that detects the open / close stat...

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Abstract

In the image forming apparatus, including: a system control unit; an image forming unit that forms an image on recording paper using predetermined processing; an image forming control unit that controls image formation; and a power supply unit that supplies electric power to the image forming unit, the image forming control unit in response to a control signal and the system control unit. The return factor monitoring unit detects that the occurrence of a return factor of the normal mode is detected during the power saving mode, and outputs a notification signal indicating return factor information related to the detected return factor to the imaging controller before the system control unit completes startup. unit. The initialization necessity judging unit determines whether the predetermined process needs to be initialized upon returning to the normal mode based on the return factor information.

Description

technical field [0001] The present invention relates to an image forming apparatus having a power saving mode, including a printing apparatus, a facsimile apparatus, a copying apparatus, and a digital copier, and to a method of controlling the image forming apparatus. Background technique [0002] In recent years, there has been a great demand for power saving of imaging devices from the viewpoint of environmental protection. In the case of an image forming apparatus utilizing electrophotographic processing, the power consumption of its fixing unit is dominant. A widely used method for obtaining power saving of an image forming apparatus is to disable or stop supply of power so that the temperature of the fixing unit in the standby mode is lower than that in the active mode. [0003] Recently, an image forming apparatus has been proposed that stops supply of power not only to the fixing unit but also to the entire image forming apparatus or most of its functional parts duri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00G03G21/00
Inventor 小林一则
Owner RICOH KK
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