Photocopying – Contact printing – Light boxes
Patent
1989-05-24
1991-08-27
Grimley, A. T.
Photocopying
Contact printing
Light boxes
271217, 355208, 355316, G03G 2100
Patent
active
050437712
ABSTRACT:
An image forming apparatus including a double feeding preventing mechanism which is arranged at an outlet side of a sheet feeding unit so that only one transfer material is fed, a sheet-feed controller which is stopped immediately after a leading end of the transfer material fed from the sheet feeding unit abuts against a nip portion between a pair of registration rollers, and a conveying controller for controlling rotation of the registration rollers such that the registration rollers are rotated after a sheet feeding operation is stopped so as to convey the transfer material to a predetermined position at low speed and are then rotated to convey the transfer material from the predetermined position to a transfer position in synchronism with a latent image formation timing.
REFERENCES:
patent: 3781004 (1973-12-01), Buddendeck et al.
patent: 4523832 (1985-06-01), Strutt et al.
patent: 4541711 (1985-09-01), Takahashi
patent: 4597660 (1986-07-01), Leng et al.
patent: 4708456 (1987-11-01), Shibata et al.
patent: 4835567 (1989-05-01), Ogata
Matsuo Shunji
Shibata Akihiro
Beatty Robert
Grimley A. T.
Konica Corporation
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