Image forming apparatus

Details Image forming apparatus Image forming apparatus

1987-12-21

1989-01-10

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14FU, 355 3DR, G03G 1500

Patent

active

047977078

ABSTRACT:
Present invention provides an image forming apparatus wherein a photosensitive member is subjected to optimum fatigue treatment in order to prevent the fluctuation of copying density and prevent fogging. Therefore, an image forming apparatus according to the invention is arranged so that the duration of prerotation for subjecting a photosensitive member to the fatigue treatment in advance is regulated in accordance with both the rest time after the completion of a previously-executed copying operation and the current temperature of the photosensitive member.

REFERENCES:
patent: 4551000 (1985-11-01), Kanemitsu et al.
patent: 4563079 (1986-01-01), Inuzuka et al.
patent: 4618247 (1986-10-01), Tsuji
patent: 4627714 (1986-12-01), Nozaki
patent: 4739367 (1988-04-01), Watanabe et al.
patent: 4751484 (1988-06-01), Matsumoto et al.

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