Image forming apparatus with power saving sleep mode

Details Image forming apparatus with power saving sleep mode Image forming apparatus with power saving sleep mode

2008-06-09

2010-10-19

Brase, Sandra L (Department: 2884)

Electrophotography

Machine operation

C399S044000, C399S069000

Reexamination Certificate

active

07817934

ABSTRACT:
An image forming apparatus that includes: an image forming portion for forming an image in accordance with image data contained in an input command; and a controller for controlling the image forming portion, and is constructed such that the controller includes: a mode switch for switching the image forming portion from a standby mode in which image forming is instantly enabled into a power-saving mode in which power supply to the image forming portion is partially stopped when no subsequent command has been received after a predetermined period elapsed from when image forming portion was operated last; a mode restoring portion for restoring the image forming portion from power-saving mode to standby mode when a subsequent command is received; and an image quality controller for performing image quality control of the image every time a predetermined time elapsed from when the image forming portion was last operated, and the image quality controller starts execution of the image quality control before the mode restoring portion restores the image forming portion from the power-saving mode to the standby mode.

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