Image forming apparatus with a holding amount adjusting unit

Details Image forming apparatus with a holding amount adjusting unit Image forming apparatus with a holding amount adjusting unit

2006-04-13

2010-02-16

Gray, David M (Department: 2852)

Electrophotography

Supplemental electrophotographic process

C399S128000, C399S129000, C399S343000, C399S347000, C399S353000, C399S354000

Reexamination Certificate

active

07664430

ABSTRACT:
An image forming apparatus includes an image carrier that rotates in a predetermined direction so as to carry a toner image, a charging member that charges the image carrier by a discharge operation, a toner holding member that is disposed to be in contact with the image carrier so as to hold toner in a portion being in contact with the image carrier and that removes a discharge product generated on the image carrier, and a holding amount adjusting unit that adjusts a toner holding amount of the toner holding member. The holding amount adjusting unit includes an estimation unit that estimates a current toner holding amount of the toner holding member, and a correction unit that corrects the toner holding amount of the toner holding member on a basis of an estimation result obtained from the estimation unit.

REFERENCES:
patent: 6049345 (2000-04-01), Nishio et al.
patent: 2004/0228658 (2004-11-01), Tomita et al.
patent: 63-235974 (1988-09-01), None
patent: 63-261380 (1998-10-01), None

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