Photocopying – Contact printing – Light boxes
Patent
1990-04-20
1990-12-18
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355271, G03G 1514
Patent
active
049789988
ABSTRACT:
An image transferring device for use in image forming equipment prevents an image from being omitted in a trailing edge portion of a paper sheet in the event when pre-transfer discharge is applied to a photoconductive element prior to image transfer. The pre-transfer discharge is not effected on an image portion of a photoconductive element that is associated with a trailing edge portion of a paper sheet where a discharge due to separation will be caused by the vibration of the trailing edge portion of the paper sheet.
REFERENCES:
patent: 3784300 (1974-01-01), Hudson et al.
patent: 4039257 (1977-08-01), Connolly
patent: 4410263 (1983-10-01), Gustafson et al.
patent: 4482240 (1984-11-01), Kuge et al.
patent: 4538901 (1985-09-01), Soumiya
Grimley A. T.
Hoffman Sandra L.
Ricoh & Company, Ltd.
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