Image forming apparatus

Details Image forming apparatus Image forming apparatus

1985-09-17

1988-03-01

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3TR, 271307, 271900, G03G 1500

Patent

active

047289910

ABSTRACT:
An image forming apparatus such as a laser beam printer has a laser mechanism, an optical system for forming a latent image on a photosensitive drum, a separation charge eliminator for separating a transfer material with a toner image transferred thereonto from the drum, and a printer controller for controlling the print operation. A high voltage is applied to the charge eliminator for a non-image zone of the original, and a low voltage is applied for an image zone of the original. The application voltage for the charge eliminator is obtained by superposing a DC voltage on an AC voltage. A system including a reader, a CCU, and a printer is also provided.

REFERENCES:
patent: 4027960 (1977-06-01), Ladrigan
patent: 4183653 (1980-01-01), Satomi et al.
patent: 4309101 (1982-01-01), Nakamura et al.

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