Image forming apparatus with an image bearing member and interme

Details Image forming apparatus with an image bearing member and interme Image forming apparatus with an image bearing member and interme

1998-02-27

2000-05-30

Lee, Susan S. Y.

Electrophotography

Cleaning of imaging surface

Blade

399174, 399308, 399313, 399314, G03G 2100, G03G 1502, G03G 1516

Patent

active

060700475

ABSTRACT:
An image forming apparatus prevents the transfer, onto an intermediate transfer member, of the remaining toner after having passed under a cleaning blade by the small vibration phenomenon thereof induced by the shock resulting from the stopping or starting of the rotation of a photosensitive drum. At the start-up of the image forming apparatus or at the end of the printing operation, the intermediate transfer member is separated from the photosensitive drum. Then, after the start of the printing operation, the photosensitive drum is rotated while it is separated from the intermediate transfer member. Then the photosensitive drum is contacted with the intermediate transfer member after an abutting portion on the photosensitive drum, where the cleaning blade is in contact in the stopped state of the image forming apparatus, passes through a position opposed to the intermediate transfer member, and the image forming operation is then initiated. In this manner, the remaining toner that has passed under the cleaning blade is not transferred onto the intermediate transfer member.

REFERENCES:
patent: 5079597 (1992-01-01), Mauer et al.
patent: 5204034 (1993-04-01), Sasame et al.
patent: 5752130 (1998-05-01), Tanaka et al.

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