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DRUM UNIT
June 30, 1998
Cleaning Blade Pressure Mechanism and Side-to-Side Movement
[C]
[D]
[A]
[D]
[B]
A229D563.WMF
The spring [A] always pushes the cleaning blade against the drum. The cleaning
blade pressure can be manually released by pushing up the release lever [B]. To
prevent cleaning blade deformation during transportation, the release lever must
be locked in the pressure release (upper) position.
The pin [C] at the rear end of the cleaning blade holder touches the cam gear [D],
which moves the blade from side to side. This movement helps to disperse
accumulated toner to prevent early blade edge wear.
2-60
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