Image forming apparatus with transfer belt speed control

Details Image forming apparatus with transfer belt speed control Image forming apparatus with transfer belt speed control

2007-03-27

2007-03-27

Beatty, Robert (Department: 2852)

Electrophotography

Control of electrophotography process

Control of transfer

C399S396000

Reexamination Certificate

active

10872091

ABSTRACT:
An image forming apparatus is disclosed that is capable of automatically acquiring thickness variation data of a transfer belt newly installed in the image forming apparatus without manual operation of setting the thickness variation data, and capable of controlling the moving speed of the newly installed transfer belt to be constant based on the acquired data so as to output images of high quality constantly. The transfer belt includes a belt information mark recorded with information used for creating rotational speed correction data, and the rotational speed control unit includes a storage unit configured to store the rotational speed correction data. A rotational speed control unit is provided that includes a belt information reading unit for reading the belt information mark to obtain the belt information, and a correction data updating unit for updating and storing the rotational speed correction data based on the obtained belt information.

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U.S. Appl. No. 10/659,176 of Shingo Nishizaki filed Sep. 10, 2003.

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