Image forming equipment using a toner cartridge

Details Image forming equipment using a toner cartridge Image forming equipment using a toner cartridge

1991-10-23

1994-08-23

Picard, Leo P.

Photocopying

Contact printing

Light boxes

141364, 220359, 222DIG1, 355206, 355208, G03G 1506

Patent

active

053411960

ABSTRACT:
Image forming equipment of the type supplying a toner to a developing device thereof by using a cartridge which is filled with a toner. The cartridge has a sealed opening and is brought to a toner supply position in the equipment without having the opening unsealed by the operator. Even when the cartridge is pulled out during the loading operation, the toner is not scattered about. A new cartridge for replacing a used empty cartridge is brought to the toner supply position without requiring the operator to remove the empty toner. During the replacement, the toner remaining on the walls of the empty cartridge is prevented from being sprinkled.

REFERENCES:
patent: 3599682 (1971-08-01), Altmann
patent: 4963938 (1990-10-01), Sonoda et al.
patent: 4967234 (1990-10-01), Tani et al.
patent: 5055881 (1991-10-01), Fukuchi

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