Image forming apparatus and image forming method

Details Image forming apparatus and image forming method Image forming apparatus and image forming method

2005-11-22

2009-02-03

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S296000

Reexamination Certificate

active

07486901

ABSTRACT:
The invention prevents the phenomenon of occurrence of toner scattering or density fluctuations by changing the appropriate transfer conditions according to the toner charge of the toner images formed on an intermediate image transfer member. The density of toner images formed under prescribed image forming conditions on an intermediate image transfer member is detected, the toner charge is obtained from the detected density, and the pre-transfer charging section is controlled according to the obtained toner charge.

REFERENCES:
patent: 5923920 (1999-07-01), Ishida et al.
patent: 7013105 (2006-03-01), Omata
patent: 2003/0123910 (2003-07-01), Kim et al.
patent: 01191171 (1989-08-01), None
patent: 08248829 (1996-09-01), None
patent: 10-274892 (1998-10-01), None
patent: 11-143255 (1999-05-01), None

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