Photocopying – Contact printing – Light boxes
Patent
1993-01-29
1994-09-20
Smith, Matthew S.
Photocopying
Contact printing
Light boxes
355296, 355260, 355270, G03G 2100
Patent
active
053494253
ABSTRACT:
A combined cleaner and toner magazine (CTM) applicable to an image forming apparatus and implemented as a single unit made up of a device for supplying a toner to a developing unit and a cleaning device for removing and storing part of the toner which remains on a photoconductive element after image transfer. The CTM has an electromagnetic shutter or a permanent magnet for preventing the toner left on the photoconductive element without being collected by the cleaning device from being scattered around in the apparatus. When a toner reservoir included in the toner supply device is emptied and, at the same time, a waste toner tank in the cleaning device is filled up, a supplementary toner is filled in the toner reservoir via a predetermined opening and the waste toner is discharged from the waste toner tank via another predetermined opening.
REFERENCES:
patent: 4697914 (1987-10-01), Hauser
patent: 4816877 (1989-03-01), Keen
patent: 5126799 (1992-06-01), Matsuura et al.
patent: 5255061 (1993-10-01), Matsuura et al.
patent: 5268720 (1993-12-01), Saitoh et al.
patent: 5298952 (1994-03-01), Kamio et al.
Kamijo Masahiko
Kondo Shiro
Matsuura Yozo
Saitoh Hiroshi
Ricoh & Company, Ltd.
Smith Matthew S.
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