4.6 DRUM CLEANING AND TONER RECYCLING
4.6.1 Drum Cleaning
The cleaning blade [A] removes any toner remaining on the drum after the
image is transferred to the paper. This model uses a counter blade system.
The toner remaining on the drum is scraped off by the cleaning blade, and it
falls onto the toner collection coil [B].
To remove the toner and other particles that are accumulated at the edge of
the cleaning blade, the drum turns in reverse for about 5 mm at the end of
every copy job, as shown in the illustration. However, this is not done during
transfer roller cleaning.
[B]
[A]
A193d010.wmf
5 mm
A193D529.wmf
PCU (PHOTOCONDUCTOR UNIT) 1 August 1996
2-42
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