Optical writing unit and image forming apparatus having an...

Electrophotography – Internal machine environment – Particle or contaminant control

Reexamination Certificate

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C347S224000

Reexamination Certificate

active

11169683

ABSTRACT:
An optical writing unit for use in an image forming apparatus, wherein the optical writing unit includes an optical system which generates a light beam to write an electrostatic latent image on an image carrying member of the image forming apparatus, and a casing which encases the optical system. The casing includes an opening portion and a transparent member which externally seals the opening portion and has a top surface higher than a surface of the casing with a predetermined height and an optical writing area through which the light beam emits.

REFERENCES:
patent: 5073795 (1991-12-01), Nukaya
patent: 6308024 (2001-10-01), Nakayama et al.
patent: 2003/0053156 (2003-03-01), Satoh et al.
patent: 2004/0240905 (2004-12-01), Yamazaki
patent: 2005/0012973 (2005-01-01), Sowa et al.
patent: 2006/0001980 (2006-01-01), Namba
patent: 1 462 867 (2004-09-01), None
patent: 63075764 (1988-04-01), None
patent: 2002072368 (2002-03-01), None
patent: 2002131997 (2002-05-01), None
patent: 2002-267983 (2002-09-01), None
patent: 2004017607 (2004-01-01), None
U.S. Appl. No. 11/492,882, filed Jul. 26, 2006, Namba.

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