Photocopying – Contact printing – Light boxes
Patent
1993-07-19
1994-04-26
Moses, R. L.
Photocopying
Contact printing
Light boxes
271 9, 271263, 271273, 355282, 355309, 355316, G03G 2100
Patent
active
053071166
ABSTRACT:
An image forming apparatus such as a copier or a printer for forming an image of a document on a recording paper. The image forming apparatus includes a paper feed tray for holding the recording paper; a conveyance unit for conveying the recording paper from the paper feed tray; a image forming section for forming a toner image of the document onto the recording paper; a fixing unit for fixing the toner image on the recording paper; a detector for detecting a paper jam between the units, and for generating a detection signal; a locking member with a solenoid for locking one of the units in another; a controller for controlling the locking member according to the detection signal so that both of the units are resisted from being removed separately when the paper jam occurs between the units.
REFERENCES:
patent: 4531823 (1985-07-01), Deguchi et al.
patent: 4958823 (1990-09-01), Iwaki et al.
patent: 5049945 (1991-09-01), Kukano et al.
patent: 5065180 (1991-11-01), Shindo et al.
patent: 5134443 (1992-07-01), Sumi et al.
patent: 5157448 (1992-10-01), Lang
Ikunami Yoshikazu
Miura Kazunobu
Okui Susumu
Shiozawa Takao
Ura Hiroaki
Konica Corporation
Moses R. L.
Royer William J.
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