Konica Minolta A00F011 Service Manual - Page 69
Cleaning mechanism, Cleaning operation, Toner collecting port shutter mechanism
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magicolor 4650EN magicolor 4650DN Composition/Operation 12. Print unit section (developing) Theory of operation Ver.1.0 Nov. 2007 12.2.5 Cleaning mechanism A. Cleaning operation 1. The cleaning blade is pressed against the surface of the photo conductor to remove toner left off the surface (fixed blade system). 2. The toner, which has been scraped off by the cleaning blade, is conveyed by the toner collecting screw and collected in the waste toner transport section. Cleaning blade Photo conductor Cleaning blade Toner collecting screw A011T2C027DA A011T2C028DA 12.2.6 Toner collecting port shutter mechanism • The toner collecting port is equipped with a shutter mechanism that prevents toner from being spilled out when the print unit is removed from the main body. • When the print unit is installed into the main body, the shutter of the toner collecting port opens and toner can be discharged from the print unit. Toner collecting port Closed Opened A011T2C029DA Toner collecting port A011T2C030DA 34