Charge removing device for an electrophotographic copying machin

Details Charge removing device for an electrophotographic copying machin Charge removing device for an electrophotographic copying machin

1984-06-01

1986-06-10

Grimley, Arthur T.

Photocopying

Including fiber optics

355 14E, G03G 1500

Patent

active

045939896

ABSTRACT:
An electrophotographic copying machine comprises a light beam reflection device, a charge removing device, a developing device, and a control device. The light beam reflection device is operated to reflect light beams from a document image portion and a margin portion to a photoreceptor. The control device causes the charge removing device to remove unnecessary charges in order to erase a latent image corresponding to the margin portion. The developing device is operated to develop the latent image exactly corresponding to the document portion. The control device may comprise a timer or lead switches.

REFERENCES:
patent: 3827799 (1974-08-01), Koizumi
patent: 4129378 (1978-12-01), Ratin et al.
patent: 4268164 (1981-05-01), Yajima et al.
patent: 4303332 (1981-12-01), Sakai

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