Image forming apparatus

Details Image forming apparatus Image forming apparatus

1997-04-24

1998-06-02

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Control of transfer

399181, G03G 1500

Patent

active

057615748

ABSTRACT:
An image forming apparatus includes an image bearing member for bearing a toner image, and a transfer member for transferring the toner image from the image bearing member onto a transfer material at a transfer position. The transfer member contacts a surface of the transfer material opposite to a surface facing the image bearing member so as to press the transfer material against the image bearing member. The apparatus is capable of selecting one of a first mode of forming a character image on the transfer material and a second mode of forming a halftone image on the transfer material. The apparatus also includes a changing unit for changing a speed ratio of a conveying speed of the transfer material at the transfer position to a circumferential speed of the image bearing member in accordance with a mode selected from among the first mode and the second mode.

REFERENCES:
patent: 5621451 (1997-04-01), Suguira et al.

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