Control method for a transfer process in an electrophotographic

Details Control method for a transfer process in an electrophotographic Control method for a transfer process in an electrophotographic

1997-07-08

1998-11-03

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Control of transfer

399101, G03G 1500

Patent

active

058323350

ABSTRACT:
In a control method for a transfer roller, after detecting an interval between a first recording medium and a second recording medium following the first recording medium, one of a first control mode and a second control mode is selected. If the first control mode is selected, and if the interval is not longer than a time period corresponding to one turn of the transfer roller, the transfer roller is kept at a first voltage until a second transfer to the second recording medium is completed. If the second control mode is selected, and if the interval is longer than the time period corresponding to one turn, the transfer roller changes between the first voltage and a second voltage which are opposite in polarity, before the second transfer to the second recording medium.

REFERENCES:
patent: 5253022 (1993-10-01), Takeuchi et al.
patent: 5540565 (1996-07-01), Tomiki et al.
patent: 5692232 (1997-11-01), Okano et al.
patent: 5708929 (1998-01-01), Adachi et al.
patent: 5729788 (1998-03-01), Hirohashi et al.

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