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1 Nov. '87
DRUM CLEANING
1. OVERVIEW
The cleaning brush [A] and cleaning blade [B] remove any
on the drum after the image is transferred to the paper.
The cleaning brush and drum move in opposite directions
contact. The cleaning brush removes paper dust and nearly half of the toner
from the drum surface to reduce the cleaning load placed on the
Next, the cleaning blade removes the remaining toner. The
catches in the fibers of the cleaning brush and is carried inside
unit. As the brush turns inside the cleaning unit, it rubs against
[C], which dislodges the toner particles. The toner particles
toner sweeping bar [D].
The toner sweeping bar moves the used toner into the used toner tank.
2 - 3 0
toner remaining
at their point of
blade.
falling toner
the cleaning
a beater
bar
the
fall onto
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