Printing apparatus and control method thereof

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United States of America Patent

PATENT NO 8929764
SERIAL NO

13311527

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A printing apparatus prints on a printing medium based on print data from at least one host apparatus; stores print information associated with a printing operation except for print data in a first storage unit; performs, by a power supply unit, first control to supply power to the first storage unit and second control to stop power supply to the first storage unit; stores, in a second storage unit which receives power supply from the power supply unit regardless of the first control or the second control, the print information stored in the first storage unit when the printing apparatus changes from the first control to the second control; and when the printing apparatus receives a request from the host apparatus to obtain the print information after changing to the second control, transmits the print information stored in the second storage unit to the host apparatus.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ogushi, Takuhiro Yokohama, JP 8 16

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