Technical Bulletin PAGE: 52/75
Reissued:21-Apr-14
No.8 10mm Pitch Banding
Cause
Addition of the two modified fly wheels causes the fly wheels to resonate with either the
PTR drive assembly or the Drum drive assembly.
Location of the band by color and paper size
Across the entire page
Action
Remove one of the two modified fly wheels (P/N: M0771294), and fix the original fly
wheel and the modified fly wheel with TAPPING SCREW:4X12.
Repeat the procedure for all stations.
Note: The originally installed fly wheel should be visible when viewed from the non-
operator side of the unit as the modified fly wheel is installed between the original fly
wheel and the mainframe.
If the results are accepted by the customer, complete the procedure.
If the results are unaccepted by the customer, remove the modified fly wheel so that only
the original fly wheel is installed for each station.
Side effect
a) Possible Shock-jitter at OPC (No.2)
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