Power management control method and printing apparatus

Details Power management control method and printing apparatus Power management control method and printing apparatus

2007-10-09

2007-10-09

Huffman, Julian D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S005000

Reexamination Certificate

active

10842484

ABSTRACT:
A power management control method of a printing apparatus, which can reduce power consumption of the printing apparatus during a sleep mode and maintain an excellent state of the printing apparatus in a sleep mode, and enables high-quality printing when the printing apparatus returns from the sleep mode to a normal mode. In the printing apparatus employing the present invention which operates in a sleep mode of low power consumption or a normal mode of high power consumption, an event that causes the printing apparatus to shift from the sleep mode to the normal mode is detected, the printing apparatus is shifted from the sleep mode to the normal mode based on the detection result, then it is determined whether or not the detected event is a maintenance operation executed periodically by the printing apparatus to maintain an excellent printing state, execution of the maintenance operation is controlled based on the determination result, and the printing apparatus is returned from the normal mode to the sleep mode.

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