Electrophotographic apparatus with leading edge blanking

Details Electrophotographic apparatus with leading edge blanking Electrophotographic apparatus with leading edge blanking

1988-11-22

1992-03-24

Braun, Fred L.

Photocopying

Contact printing

Light boxes

355219, 355225, 355315, G03G 2100, G03G 1502

Patent

active

050992830

ABSTRACT:
An electrophotographic apparatus wherein a blank is formed at an end of a transfer material to make it easier to separate the transfer material from a photosensitive member and to prevent the transfer material from wrapping around an image fixing roller. A light reflecting portion is formed at a position corresponding to a leading edge of an original on an original supporting platen. The light reflecting portion receives light from an original illuminating lamp and reflects it to the region of the photosensitive member that has been opposed to a charger when the charge is switched from its non-operative state to an operative state.

REFERENCES:
patent: 4375331 (1983-03-01), Tohyama et al.
patent: 4551005 (1985-11-01), Koichi
patent: 4603964 (1986-08-01), Swistak
patent: 4743947 (1988-05-01), Yamamoto
patent: 4839695 (1989-06-01), Yamamoto et al.
patent: 4847657 (1989-07-01), Hanada et al.

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