Ricoh FT8680 Service Manual page 86

CLEANING 31 July 1995
9.4 CLEANING BLADE SIDE-TO-SIDE MOVEMENT
[A]
[B]
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The cleaning blade is held on the cleaning blade holder with a shoulder
screw [A] at its center so that the cleaning pressure is evenly applied to the
drum surface.
The cleaning blade holder touches the cam gear [B] which gives a
side-to-side movement to the blade. This movement prevents the cleaning
blade from being damaged.
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