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US4618250A Photosensitive drum cleaning device in electrophotographic recording system 失效
感光鼓清洁装置在电子照相记录系统中

Photosensitive drum cleaning device in electrophotographic recording
system
摘要:
A cleaning device for a photosensitive drum a rotatable cylindrical device including a permanent magnet, for carrying toner wiped off the surface of the photosensitive drum, a scraper for making contact with the peripheral surface of the rotatable cylindrical device, and a rotary blade formed of a magnetic material. The rotary blade scrapes off the toner blocked by the scraper upon rotation of the rotary blade so as to force the toner to fall off for toner recovery.
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