Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1984-03-23
1986-07-15
Prescott, A. C.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3DD, G03G 1508
Patent
active
046002944
ABSTRACT:
There is disclosed an electrophotographic image forming apparatus in which toner loss by deposition to non-image area is prevented by detecting the surface status of photosensitive member and applying thus detected state to the image developing device.
REFERENCES:
patent: 3654893 (1972-04-01), Piper et al.
patent: 3788739 (1974-01-01), Coriale
Ishikawa Tadashi
Matsui Toshiro
Nagahira Jyoji
Suzuki Koji
Takahashi Kazuyoshi
Canon Kabushiki Kaisha
Prescott A. C.
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