Image forming device

Typewriting machines – Including control of format by programmed-control-system

Reexamination Certificate

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Details

C400S061000, C399S401000

Reexamination Certificate

active

11187040

ABSTRACT:
An image forming device is provided in which erroneous printing on a sheet of paper rather than the rear surface of the desired paper during manual double-side printing can be prevented. An image forming device for executing manual double-side printing in which a user sets a paper sheet when printing is conducted on the other side of the paper sheet after printing on one side of the paper sheet, comprising at least one paper feed unit which feeds paper sheets, a control unit which instructs to feed paper from one of the paper feed units that was preset for printing on the other side when printing on the other side of the paper sheet, and a printing unit which carries out the paper feed from the preset paper feed unit, according to the paper feed instruction, and executes the printing of the other side on the paper sheet.

REFERENCES:
patent: 4853740 (1989-08-01), Ushio et al.
patent: 5700003 (1997-12-01), Sung
patent: 8-91643 (1996-04-01), None
patent: 08091643 (1996-04-01), None
patent: 09218547 (1997-08-01), None
patent: 2000-255113 (2000-09-01), None
patent: 2000-289259 (2000-10-01), None

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