Photocopying – Including fiber optics
Patent
1984-12-21
1986-03-25
Prescott, A. C.
Photocopying
Including fiber optics
355 3R, 355 16, G03G 1500
Patent
active
045779538
ABSTRACT:
A copying machine uses a belt-like photosensitive member installed between a pair of rollers from which the belt-like photosensitive member is freely detachable or mountable on these.
The preferred embodiments are capable of controlling the copying process timing using sensor means provided in the copying machine which detects either a plurality of cutout portions or markers on the lateral sides of the photosensitive member wherein the preferred embodiments comprise; a timer starting the counting operation when the photosensitive member diagnosis mode is entered simultaneous with the start of the roller rotation after turning the power of the copy machine ON; means for identifying whether the output signal from sensor means varies or not during a period when the timer counts a specific period of time; and means for alarming the operator that the photosensitive member is improperly installed onto rollers only when the output signal from sensor means remains unchanged within a specific period of time counted by the timer.
REFERENCES:
patent: 4095887 (1978-06-01), Van Herten et al.
patent: 4110033 (1978-08-01), Ophey
patent: 4344693 (1982-08-01), Hamaker
patent: 4429985 (1984-02-01), Yokota
patent: 4475805 (1984-10-01), Omi
patent: 4527686 (1985-07-01), Satoh
Prescott A. C.
Sharp Kabushiki Kaisha
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