Electrophotography – Machine operation – Job mode
Reexamination Certificate
2005-04-05
2005-04-05
Ngo, Hoang X (Department: 2852)
Electrophotography
Machine operation
Job mode
Reexamination Certificate
active
06876824
ABSTRACT:
There is provided an image forming apparatus that is capable of reducing the burden on the user and improving the usability by eliminating the necessity of performing such a complicated operation as to input the lengths of a free size sheet in the vertical and horizontal directions thereof in forming a black-and-white image on the free size sheet, and enable prompt processing even when there are a large number of free size sheets on which black-and-white images are to be formed. An operating section219displays screens for designating an automatic color selection mode, a color mode, or a black-and-white mode, selecting a regular size sheet or a free size sheet, and setting the lengths of a free size sheet in the vertical and horizontal directions thereof, and a main body controller200provides control to enable the setting as to the lengths of a free size sheet in the vertical and horizontal directions thereof when the free size sheet has been selected and the color mode has been designated, and to disable the setting as to the lengths of a free size sheet in the vertical and horizontal directions when the free size sheet has been selected and the black-and-white mode has been designated.
REFERENCES:
patent: 4998145 (1991-03-01), Haneda et al.
patent: 9-68896 (1997-03-01), None
patent: 9-160444 (1997-06-01), None
patent: 10-126611 (1998-05-01), None
patent: 2001-159391 (2000-06-01), None
Canon Kabushiki Kaisha
Ngo Hoang X
Rossi, Kimms & McDowell
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