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Image forming device and method of controlling the image forming device

An imaging device and imaging control technology are applied in the fields of electrical recording technology using charge graphics, equipment for using electrical recording technology using charge graphics, and electrical recording technology, which can solve problems such as energy consumption and noise, and achieve virtual noise reduction and reduction. The effect of energy consumption

Inactive Publication Date: 2007-01-10
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 of controlling the image forming device
  • Image forming device and method of controlling the image forming device
  • Image forming device and method of 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] Figure 9 The composition of a digital copier that is an image forming apparatus of the related art is shown. exist Figure 9 In this digital copier 50, the image data of the document 70 is read by the reading control unit 51, and the image processing part (not shown) of the engine control unit 56 executes the image processing of the image data, and the processed image data sent to the write 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 state of a pressure pla...

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Abstract

In an image forming device including a system control unit, an image formation unit forming an image on a recording sheet using a predetermined process, an image forming control unit controlling image formation, and a power supply unit supplying power to the image formation unit, the image forming control unit, and the system control unit in response to a control signal. A return factor monitoring unit detects occurrence of a return factor to a normal mode during a power saving mode, and outputs a notification signal indicating return factor information relating to a detected return factor, to the image forming control unit before starting of the system control unit is completed. An initialization necessity judgment unit determines whether initializing the predetermined process is needed at a time of 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 Applications(China)
IPC IPC(8): G03G15/00G03G21/00
Inventor 小林一则
Owner RICOH KK
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