Photocopying – Contact printing – Light boxes
Patent
1993-01-04
1994-12-27
Beatty, Robert B.
Photocopying
Contact printing
Light boxes
355 30, 355212, 355313, G03G 2100
Patent
active
053769902
ABSTRACT:
An electrophotographic imaging device including an photoconductive imaging member having a surface extending approximate to devices generating life degrading contaminants. The printing machine includes a driving unit which continues to drive the imaging member during power down and standby modes, and other critical periods, so as to extend the life of the imaging member.
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patent: 3843407 (1974-10-01), Thorp
patent: 4522483 (1985-06-01), Matsumoto et al.
patent: 4595602 (1986-06-01), Schank
patent: 4599286 (1986-07-01), Limburg et al.
patent: 4766403 (1988-08-01), Sasaki et al.
patent: 5114818 (1992-05-01), Yu
Beatty Robert B.
Xerox Corporation
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