Photocopying – Contact printing – Light boxes
Patent
1992-03-25
1993-11-09
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355200, 355245, G03G 1500
Patent
active
052607500
ABSTRACT:
An image forming apparatus includes a toner processing unit which is detachably fitted to a cleaning device and a developing unit arranged in the apparatus body. The unit has first and second container integrated with each other. The first container defines a storing portion storing toner which is to be supplied to the developing unit. The second container defines a recovery portion for receiving waste toner removed by the cleaning means. The storing portion and recovery portion are partitioned from each other by a partitioning wall of the unit. The partitioning wall has a through-hole through for introducing, when the amount of the developing agent received into the recovery portion exceeds a capacity of the recovery portion, an excess part of the developing agent into the storing portion.
REFERENCES:
patent: 4768055 (1988-08-01), Takamatsu et al.
patent: 4771313 (1988-09-01), Kuroda et al.
patent: 4894688 (1990-01-01), Tamiguchi et al.
patent: 4963940 (1990-10-01), Nemoto et al.
patent: 5017962 (1991-05-01), Tsuji et al.
patent: 5017966 (1991-05-01), Suga
patent: 5047801 (1991-09-01), Haneda et al.
patent: 5065195 (1991-11-01), Haneda et al.
Ishida Takao
Miyasaka Naofumi
Dang Thu
Grimley A. T.
Kabushiki Kaisha Toshiba
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