PHOTOCONDUCTOR UNIT (PCU)
B079/B082 6-54 SM
6.7.5 DRUM CLEANING
The PxP (Polyester Polymerization) toner of this machine is of much finer particle
size so in addition to the stationary cleaning blade, mounted with two screws at the
bottom of the PCU, an additional cleaning blade [A] has been added to increase
the efficiency of drum cleaning.
The new cleaning blade is held in contact with the drum by two small springs [B]
(one on each end). This cleaning blade is not a counter blade.
Every time the PCU is opened for replacement or cleaning, the spring closest to
the front of the PCU must moved in order to retract the cleaning blade away from
the OPC drum. After cleaning or replacement, the spring must be returned to its
original position to keep the blade in contact with the OPC drum for normal
operation. For details, see Section “3 Replacement and Adjustment”.
B079D721.WMF
[A]
[B]
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