Image forming apparatus and method having speed control...

Details Image forming apparatus and method having speed control... Image forming apparatus and method having speed control...

2006-04-18

2006-04-18

Grainger, Quana (Department: 2852)

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

C399S046000

Reexamination Certificate

active

07031627

ABSTRACT:
An image forming apparatus decreases the speed of moving an optional position in the circumference of a photoconductor, the speed of moving the surface of a transfer belt, and the speed of moving an optional position in the circumference of a roller body of a fixing unit, in a period from a moment when a part of the surface of a transfer belt corresponding to the rear end of the last one of a plurality of overlaid toner images passes a primary transfer position, to a moment when a part of the surface of a transfer belt corresponding to the front end of a toner image held in the transfer belt in the overlaid state reaches the primary transfer position.

REFERENCES:
patent: 5619746 (1997-04-01), Kubo et al.
patent: 2000-267474 (2000-09-01), None
U.S. Appl. No. 10/886,638, filed Jul. 9, 2004, Aono et al.

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