Toner supply unit and image forming apparatus

Details Toner supply unit and image forming apparatus Toner supply unit and image forming apparatus

2008-02-01

2009-06-02

Beatty, Robert (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C222SDIG001, C399S262000

Reexamination Certificate

active

07542697

ABSTRACT:
The toner supply unit is provided with a preventing unit for preventing toner contamination due to toner leakage from that sealing valve. A mouth ring of the toner container is provided with the sealing valve. This valve is opened/closed by removing/inserting a nozzle.

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