Around the Drum
G179 6-14 SM
6.5.2 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
PCDU, 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) that keep the cleaning blade in contact with the drum. This cleaning blade is not
a counter blade.
The tension of these springs has been reduced for this model in order to reduce the
amount of pressure applied by the bladed against the drum.
Every time the PCDU is opened for replacement or cleaning, the spring closest to the front
of the PCDU 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
“Replacement and Adjustment”.
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