Image forming apparatus having photosensitive member mounted...

Details Image forming apparatus having photosensitive member mounted... Image forming apparatus having photosensitive member mounted...

2009-03-26

2011-12-27

Chen, Sophia S (Department: 2852)

Electrophotography

Diagnostics

Component present or mounted

C399S110000, C399S112000

Reexamination Certificate

active

08086116

ABSTRACT:
An image forming apparatus has: an image forming unit which is configured to scan a laser beam in a main scanning direction to expose a photosensitive member, and which forms an electrostatic latent image on the photosensitive member to form an image; a process cartridge that is detachably mounted within the image forming apparatus, the process cartridge holding the photosensitive member on which the electrostatic latent image is formed, and configured to develop the electrostatic latent image by supplying toner to the electrostatic image; and an origin detection unit that is provided on the process cartridge in a position lying within a range of an optical path of the laser beam and out of a range of an optical path of the laser beam for forming the electrostatic latent image, the origin detection unit configured to detect an origin of the laser beam for scanning and exposing.

REFERENCES:
patent: 6459868 (2002-10-01), Takahashi et al.
patent: 7853158 (2010-12-01), Mikuni
patent: 63-301077 (1988-12-01), None
patent: 3-206477 (1991-09-01), None
patent: 06-317958 (1994-11-01), None
patent: 6-337555 (1994-12-01), None
patent: 10-149059 (1998-06-01), None
Machine translation of JP 06-337555 A dated Apr. 15, 2011.
JP Office Action dtd Feb. 9, 2010, JP Appln. 2008-090624, partial English translation.

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