Method for controlling image forming apparatus

Details Method for controlling image forming apparatus Method for controlling image forming apparatus

2008-09-30

2010-11-02

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S050000, C399S055000, C399S072000

Reexamination Certificate

active

07826756

ABSTRACT:
A method for controlling an image forming apparatus is disclosed. An image pattern is developed both by a DC developing process using a developing bias voltage of only a DC voltage and by an AC+DC developing process using a developing bias voltage of a DC voltage overlapped with an AC voltage. The densities of the two developed image patterns is compared with each other to implement toner density control.

REFERENCES:
patent: 5860038 (1999-01-01), Kato et al.
patent: 5970280 (1999-10-01), Suzuki et al.
patent: 2006/0110174 (2006-05-01), Ishida
patent: 2007/0047981 (2007-03-01), Ishida
patent: 2002-162795 (2002-06-01), None
Machine English language translation of JP 2002-162795, published Jun. 7, 2008.

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