Image forming device

Details Image forming device Image forming device

2007-09-19

2010-02-16

Tran, Hoan H (Department: 2884)

Electrophotography

Diagnostics

Consumable

C399S061000

Reexamination Certificate

active

07664409

ABSTRACT:
A control device executes toner concentration control that controls an operation of a developing device such that a value of detection output detected by a concentration detecting device falls within a predetermined range. Moreover, when controlling drive of a first driving device, which drives at least an image carrier, and drive of a second driving device, which drives at least a fuser device, the control device executes operation control that starts the drive of the first driving device before the drive of the second driving device.

REFERENCES:
patent: 4897696 (1990-01-01), Matsumoto
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patent: 8-95422 (1996-04-01), None
patent: 10-307434 (1998-11-01), None
patent: 2003-162141 (2003-06-01), None
patent: 2005-16624 (2005-01-01), None
patent: 2005-17459 (2005-01-01), None
patent: 2007-25413 (2007-02-01), None
Official communication issued in counterpart Japanese Application No. 2006-300959, mailed on Sep. 30, 2008.

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