Electrophotographic copying method and apparatus

Details Electrophotographic copying method and apparatus Electrophotographic copying method and apparatus

1987-11-09

1988-11-15

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DD, 355 77, 118689, G03G 1506

Patent

active

047853310

ABSTRACT:
An electrophotographic copying apparatus is capable of forming outline images. It comprises a first charging device, an exposing device, a second charging device and a developing device along a moving direction of a photoconductor. A sensor detects an amount of toner adhering to a reference image formed on the surface of the photoconductor. Supply of toner is controlled based on the detected amount. In an outline image forming mode, an amount of toner to be supplied is set to a value smaller than an amount in a standard image forming mode.

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