427
DP-C405/C305/C265
FEB 2008Ver. 1.1
4.3.9. Horizontal Dark Lines
START
Yes
No
Replace the OPC Drum/Developer Unit.
Yes
No
Check the Scanner mechanism.
Is the OPC Drum/Developer
Unit operating properly?
Is the LSU operating
properly?
Yes
Replace the LSU.
Yes
No
END
No
Yes
Paper Travel
P
Is the Fuser Belt surface
clean?
Replace the Fuser Belt Unit.
Is the IT Unit operating
properly?
No
Yes
Check the IT mechanism.
Is the Test Pattern printout in
Copier F1 Mode normal?
Is the HVPS operating
properly?
1. Check all connectors and voltages
on the HVPS.
2. Check the Spring Connector, and
voltages on the HVPS.
3. Replace the HVPS.
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