Photocopying – Contact printing – Light boxes
Patent
1994-03-09
1996-04-16
Brase, Sandra L.
Photocopying
Contact printing
Light boxes
355245, G03G 1506
Patent
active
055087957
ABSTRACT:
A printer comprises a process unit which includes a photoconductive drum, a developing device having a toner storage section, a replaceable toner cartridge for supplying toner to the toner storage section, a cleaner for clearing the photoconductive drum of the toner remaining thereon after transfer, and a waste toner storage section for receiving the toner removed by means of the cleaner. The developing device is provided with a locking member for locking the mounted toner cartridge lest it be replaceable, a sensor for detecting a reduction of the amount of the toner in the toner storage section in the developing device below a predetermined value, and an unlocking member for unlocking the toner cartridge locked by the locking member when the reduction of the toner amount below the predetermined value is detected by the sensor.
REFERENCES:
patent: 4987451 (1991-01-01), Hikosaka et al.
patent: 5040025 (1991-08-01), Fukuchi
patent: 5074344 (1991-12-01), Vacek et al.
patent: 5077584 (1991-12-01), Tanaka et al.
patent: 5089854 (1991-02-01), Kaieda et al.
patent: 5101233 (1992-03-01), Ito et al.
patent: 5136333 (1992-08-01), Craft et al.
patent: 5155527 (1992-10-01), Gokita et al.
patent: 5229824 (1993-07-01), Tsusaka et al.
patent: 5313993 (1994-05-01), Corby et al.
Brase Sandra L.
Kabushiki Kaisha TEC
Kabushiki Kaisha Toshiba
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