Image forming apparatus

Electrophotography – Control of electrophotography process – Responsive to number of copies or passage of time

Reexamination Certificate

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Details

C399S071000, C399S101000

Reexamination Certificate

active

07747183

ABSTRACT:
An image forming apparatus capable of appropriately cleaning an image carrier is provided. An image forming apparatus1including toner cartridges11Y,11M,11C, and11K, a developing section which forms toner images, an image carrier4which carries the toner images formed by the developing section, a transfer member5which transfers toner images from the image carrier4to a recording sheet S, and a cleaner14which is operable for press and release operation to/from the image carrier4and which is pressed to the image carrier4to scrape off the toner remaining on the image carrier4is provided with a control means23which decreases the number of press and release operations of the cleaner14when the cumulated value of the number of images formed since the first use of the brand-new toner cartridges11Y,11M,11C, and11K is large.

REFERENCES:
patent: 6631249 (2003-10-01), Katsumi et al.
patent: 6959160 (2005-10-01), Yoshida et al.
patent: 7596335 (2009-09-01), Fukami et al.
patent: 08-063071 (1996-03-01), None
patent: 2004-325657 (2004-11-01), None
patent: 2006-189798 (2006-07-01), None
Notice of Reason for Refusal mailed Jan. 26, 2010, directed at application No. 2007-338495, 6 pages.

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