Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-12-25

2007-12-25

Gray, David M. (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S123000, C399S298000, C399S308000, C399S344000

Reexamination Certificate

active

10929103

ABSTRACT:
An electrostatic latent image is formed on a rotary image carrier. A developer is provided with at least one developing roller which is separatably abutted on the image carrier at a developing position to supply toner onto the image carrier to make the latent image visible as a toner image. An intermediate transfer member is adapted to temporarily hold the toner image. A transferer applies a transfer bias to primarily transfer the toner image on the image carrier to the intermediate transfer member. A first cleaner is always abutted on the image carrier to remove toner remaining thereon. A second cleaner is separatably abutted on the intermediate transfer member to remove toner remaining thereon. The toner image includes a first toner image which is not to be transferred onto the recording medium and a second toner image which is to be secondarily transferred onto a recording medium. The second cleaner is separated from the intermediate transfer member so as to avoid the first toner image.

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