Image forming apparatus and toner collection method

Details Image forming apparatus and toner collection method Image forming apparatus and toner collection method

Filed on

2007-01-10

Date issued

2010-12-07

Examiner

Porta, David P (Department: 2884)

Patent Class

Electrophotography

SubClass

Image formation

SubSubClass

Combined or plural functions by single component

Other Related Categories

C399S227000

Type

Reexamination Certificate

Status

active

Patent number

07848680

Description

ABSTRACT:
There is provided a technique in which in a four-rotation intermediate transfer system image forming apparatus, even in a state where a large amount of transfer residual toner is generated, the occurrence of color mixture of toners can be effectively suppressed.

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patent: 6625414 (2003-09-01), Izumi
patent: 2004/0228656 (2004-11-01), Kamimura
patent: 2006/0002750 (2006-01-01), Ono
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patent: 06-110343 (1994-04-01), None
patent: 08328344 (1996-12-01), None
patent: 11-249452 (1999-09-01), None
patent: 2000-181169 (2000-06-01), None
patent: 2003-307905 (2003-10-01), None
Machine Translation JP 08328344.
English Abstract JP 08328344.

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