Image forming apparatus having speed control of primary and...

Details Image forming apparatus having speed control of primary and... Image forming apparatus having speed control of primary and...

2006-05-09

2006-05-09

Brase, Sandra L. (Department: 2852)

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

C399S066000

Reexamination Certificate

active

07043170

ABSTRACT:
An image-forming apparatus includes a rotatable photoreceptor carrying a toner image thereon, a rotatable intermediate transfer member, a primary transfer device facilitating primary transfer of the toner image from the photoreceptor onto the intermediate transfer member, a secondary transfer device facilitating secondary transfer of the toner image from the intermediate transfer member onto a sheet, and a controller controlling rotation speed of the intermediate transfer member. The controller sets the rotation speed at a first speed during primary transfer. After primary transfer and a delay period, the controller changes the rotation speed to a second speed. The controller determines which rotation of the intermediate transfer member to change the speed.

REFERENCES:
patent: 5999760 (1999-12-01), Suzuki et al.
patent: 6192205 (2001-02-01), Motohashi
patent: 6766124 (2004-07-01), Taguchi et al.
patent: 4-67174 (1992-03-01), None
patent: 9-146434 (1997-06-01), None

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