Image forming apparatus

Electrophotography – Control of electrophotography process – Control of transfer

Reexamination Certificate

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Details

C399S039000, C399S055000, C399S303000, C399S299000

Reexamination Certificate

active

07130552

ABSTRACT:
An image forming apparatus having: a transfer section which transfers a toner image onto an intermediate transfer body or a transfer material to form an image thereon; a selection section for selecting one mode among a plurality of modes including a first mode for forming the image by using a plurality of colors including a first color and a second mode for forming the image by using less number of colors including the first color than that of the colors in the first mode; and a control section for controlling the transfer section in order that a transfer rate of a toner image of the first color in the second mode is larger than that of a toner image of the first color in the first mode when toner images are transferred onto the intermediate transfer body or the transfer material by the transfer section.

REFERENCES:
patent: 5303013 (1994-04-01), Koike et al.
patent: 6564021 (2003-05-01), Nakai et al.
patent: 2003/0095815 (2003-05-01), Nakagawa et al.
patent: 2000-98758 (1998-09-01), None
patent: 11-249371 (1999-09-01), None

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