Image forming apparatus wherein a setting unit sets an...

Details Image forming apparatus wherein a setting unit sets an... Image forming apparatus wherein a setting unit sets an...

2007-10-16

2011-11-15

Marini, Matthew G (Department: 2854)

Electrophotography

Document handling

Copy

C399S308000, C399S302000, C399S388000, C399S389000, C399S066000

Reexamination Certificate

active

08060003

ABSTRACT:
An image forming apparatus includes a paper cassette feeding a recording material, an image forming unit forming an image on a photosensitive member, a primary transfer roller transferring the image onto an intermediate transfer belt, a secondary transfer roller transferring the image onto the recording material, and a sensor detecting the size of the recording material. The timing of starting feeding the recording material is later than the timing of starting forming the image. When image formation on the recording material is started, until the sensor detects the size of the recording material, a plurality of images are formed on the intermediate transfer belt at a first interval according to a predetermined recording material size, and after the sensor detects the size of the recording material, a plurality of images are formed on the intermediate transfer belt at a second interval according to the detected recording material size.

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