Image forming apparatus with a latent image writing unit...

Details Image forming apparatus with a latent image writing unit... Image forming apparatus with a latent image writing unit...

Filed on

2006-10-24

Date issued

2009-06-30

Examiner

Ngo, Hoang (Department: 2852)

Patent Class

Electrophotography

SubClass

Image formation

SubSubClass

Development

Other Related Categories

C399S118000

Type

Reexamination Certificate

Status

active

Patent number

07555244

Description

ABSTRACT:
In an image forming apparatus, a photoreceptor carries a latent image on its looped surface. An optical writing unit moves between an operating position at which writing of a latent image is performed on the looped surface of the photoreceptor and a standby position at which writing is not performed. A developing device develops the latent image carried on the photoreceptor. A reference position member is located at a reference position for positioning the optical writing unit. A positioning member positions the optical writing unit. A bias coil spring biases the reference position member so that the reference position member contacts the positioning member.

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U.S. Appl. No. 11/552,277, filed Oct. 24, 2006, Idehara, et al.
U.S. Appl. No. 11/623,477, filed Jan. 16, 2007, Idehara, et al.
U.S. Appl. No. 11/758,973, filed Jun. 6, 2007, Kita, et al.
U.S. Appl. No. 12/118,989, filed May 12, 2008, Furuichi, et al.

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