Transfer device for use in an image forming apparatus

Details Transfer device for use in an image forming apparatus Transfer device for use in an image forming apparatus

1992-05-26

1993-08-03

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355273, 355277, G03G 1514

Patent

active

052333949

ABSTRACT:
A transfer device for use in an image forming apparatus provided with a photosensitive drum on which a toner image is formed, the transfer device including a transfer member which is charged to transfer the toner image formed on the photosensitive drum to a copy sheet, a cleaner for cleaning toner depositing on the transfer member, and a power supply unit for applying a voltage to the cleaner to charge the transfer member, the cleaner being constructed so as to produce a potential difference between the cleaner and transfer member to attract the toner depositing on the transfer member. Accordingly, the transfer device of the invention is allowed to have a more simplified construction compared to existing transfer devices.

REFERENCES:
patent: 3751156 (1973-08-01), Szostak et al.
patent: 4081212 (1978-03-01), Wetzer
patent: 4110031 (1979-08-01), Ebi et al.
patent: 4183655 (1980-01-01), Umahashi et al.
patent: 4457615 (1984-07-01), Seaner
patent: 4998143 (1991-03-01), Kumasaka et al.
patent: 5101238 (1992-03-01), Creveling et al.
patent: 5159390 (1992-10-01), Imaizumi
patent: 5172173 (1992-12-01), Goto et al.
patent: 5173735 (1992-12-01), Kusumoto

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