发明申请
US20050169673A1 Toner supply unit and image forming apparatus 有权
调色剂供应单元和成像设备

Toner supply unit and image forming apparatus
摘要:
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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