10 October, 2002
TROUBLESHOOTING FLOW CHART
4-17
Trouble-
shooting
4.5.13 PARTIAL BLANK IMAGE (PERIODIC)
NO
Is it not over the
guaranty life of dot
counter?
YES
Transfer roller works
properly?
Install the AIO correctly
NO
Is the AIO installed
correctly?
Is it regular interval
of 47.1mm?
OK after replacing
the transfer roller?
Replace the AIO
Clean the contract point
of transfer roller.
Check the output of high
voltage terminal and
adjust or replace if
required.
•
•
Replace the AIO
Is it
regular interval of
75.4 mm, 31.6 mm or
37.7 mm?
Replace the fusing unit
(50.2 mm, 45.2 mm or exit
roller)
YES
YES
YES
NO
Clean the TR holder, the
TR gear OPC roller gear
and the transfer roller
NO
YES
END
NO
YES
YES
H911T923.WMF