Image forming apparatus having process cartridges with...

Details Image forming apparatus having process cartridges with... Image forming apparatus having process cartridges with...

2006-12-07

2008-12-09

Chen, Sophia S (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S013000, C399S110000

Reexamination Certificate

active

07463835

ABSTRACT:
An image forming apparatus includes: process cartridges removably provided at an apparatus-main-body; a conveyance belt facing the process cartridges; a cover member provided at the apparatus-main-body capable of opening/closing with respect to the apparatus-main-body. The apparatus also includes identified parts respectively provided at the process cartridges with the shapes and/or placements thereof being different from each other and respective colors corresponding to the process cartridges. Identification parts are provided at the apparatus-main-body corresponding to the respective identified parts, that show, whether or not the process cartridges are attached at respective proper-setting-positions by interfering or not interfering with the respective identified parts. A conveyance belt refuge member allows the conveyance belt to move toward the cover member when the cover member is closed if at least one of the process cartridge is not attached at the proper-setting-position.

REFERENCES:
patent: 6993268 (2006-01-01), Otaka
patent: 7319827 (2008-01-01), Yoshizawa
patent: 2005/0095017 (2005-05-01), Kikuchi
patent: 2006/0083543 (2006-04-01), Sunohara
patent: 2006/0291897 (2006-12-01), Ozawa
patent: 2007/0189781 (2007-08-01), Katogi et al.
patent: 2005-128414 (2005-05-01), None

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