Photosensitive Drum Cleaning; Overview Of The Drum Cleaning Unit - Canon iR C6800 Series Service Manual

7.9 Photosensitive Drum Cleaning

7.9.1 Overview of the Drum Cleaning Unit

The drum cleaning unit is found next to the photosensitive drum inside the process unit, and it is equipped with the
function of collecting residual toner from the photosensitive drum. The unit consists of 4 components, serving to
clean the photosensitive drum in preparation for the next print cycle.
The residual toner collected by the unit is moved forward by the waste toner feedscrew for collection in the waste
toner case fitted to the back fort the machine.
The following shows the arrangement of the major components:
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1 Cleaning blade
2 Magnet roller
3 Waste toner layer guide blade
4 Waste toner feedscrew
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[2]
[3]
[4]
Chapter 7
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