Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2006-08-15
2010-11-02
Porta, David P (Department: 2884)
Electrophotography
Diagnostics
Consumable
C399S044000, C399S050000, C399S055000
Reexamination Certificate
active
07826754
ABSTRACT:
An image forming apparatus includes a photosensitive member, a charging device, a developing device, a thickness detecting unit and a parameter setting unit. A photosensitive layer is formed on a surface of the photosensitive member. The charging device charges the photosensitive member. The developing device forms a toner image on the surface of the photosensitive member. The thickness detecting unit detects a thickness of the photosensitive layer on a basis of a value of a current supplied to the charging device. When the thickness detecting unit detects the thickness of the photosensitive layer, the parameter setting unit sets at least one of a charge parameter for the charging device and a development parameter to be different from that used in forming an image on a recording medium by transferring a toner image formed on the surface of the photosensitive member onto the recording medium.
REFERENCES:
patent: 6421508 (2002-07-01), Inoue et al.
patent: 08334956 (1996-12-01), None
patent: 2001-159838 (2001-06-01), None
patent: 2004-334063 (2004-11-01), None
Machine Translation JP 08-334956.
Kurita Tomokazu
Watanabe Kanji
Fuji 'Xerox Co., Ltd.
Morgan & Lewis & Bockius, LLP
Porta David P
Ready Bryan P
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