Image forming apparatus with controlled adjustment of toner...

Details Image forming apparatus with controlled adjustment of toner... Image forming apparatus with controlled adjustment of toner...

2005-03-15

2008-10-14

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Development

C399S027000, C399S254000, C399S302000

Reexamination Certificate

active

07437102

ABSTRACT:
An image forming apparatus includes development cartridges which develop an electrostatic latent image with toner, a rotary unit provided with the developing cartridges, an intermediate transfer belt which receives the toner image, and a controller. A length of the intermediate transfer belt is set such that a length of the image forming region is corresponded to a length of a set recording medium having a predetermined size and a length of the non-image forming region is corresponded to a distance between a rear end of the preceding one of the set recording mediums and the front end of the subsequent one. A rotational movement period of the intermediate transfer belt corresponding to the length of the non-image forming region is equal to or greater than a time required for switching the developing cartridges. The controller performs an switching operation of the developing cartridges in accordance with a size of a recording medium.

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patent: 2003-312102 (2003-11-01), None
patent: 2003-316106 (2003-11-01), None

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