Confidential
9-43
I-19
Residual Image
Phenomenon
Image of the preceding page appears on every other page as shown in print sample [20] of Fig.9-1.
Main Causes
(1) Cleaning failure due to the lifted cleaning brush of the transfer unit cleaner.
(2) Contact failure of the belt cleaner's bias terminal.
(3) Failure of HV power supply unit PU.
Fig. 9-20
Countermeasures
(1) Check if the c
leaning roller PU is properly installed or not.
(2) Replace the HV power supply unit PU with a new HV power supply unit PU.
Fusing unit FU
Transfer unit PU
Paper feed roller PU
Transfer roller ASSY PU
Registration roller ASSY PU
Back cover ASSY PU
Cleaning roller PU
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