Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1983-05-18
1986-02-04
Grimley, A. T.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
430125, 1525651, 15 15R, 210660, 210681, G03G 2100
Patent
active
045681767
ABSTRACT:
A method for maintenance of an image forming device having an image forming member which forms visible images from electrostatic latent images comprises maintaining the image forming ability of said image forming member by contacting the surface of said image forming member with an ion-exchange material.
REFERENCES:
patent: 3793018 (1974-02-01), Van Engeland et al.
patent: 4331541 (1982-05-01), Akiyama et al.
patent: 4417365 (1983-11-01), Murasaki
"Ion Exchange"; Friedrich Helfferich, McGraw-Hill Book Company, Inc., 1962, p. 341.
Canon Kabushiki Kaisha
Grimley A. T.
Warren David
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