Photocopying – Contact printing – Light boxes
Patent
1990-01-25
1991-10-08
Grimley, A. T.
Photocopying
Contact printing
Light boxes
250324, 355221, G03G 1502
Patent
active
050558781
ABSTRACT:
The image forming apparatus is arranged accurately to keep a constant distance between the surface of the photosensitive element and a charging device. The charging device is composed as a part of an integrated unit with another device which is located around the surface of the photosensitive element. When the unit is mounted on the main body of the apparatus, the charging device is in contact with a positioning means which is provided on the image forming apparatus.
REFERENCES:
patent: 3922548 (1975-11-01), Honda
patent: 4322516 (1982-03-01), Kohyama
patent: 4566777 (1986-01-01), Honda et al.
patent: 4803512 (1989-02-01), Ogura et al.
Komurasaki Takeshi
Okamoto Keiji
Grimley A. T.
Horgan Christopher
Ricoh & Company, Ltd.
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