120
DP-8032/8025
2008Ver.1.2
4.3.6. Horizontal Dark Lines
START
Yes
No
Replace the OPC Drum/Developer Unit.
Yes
No
Check the Scanner mechanism.
Is the OPC Drum/Developer
Unit operational?
Is the LSU normal?
Yes
Replace the LSU.
Is the PS normal?
1. Check all connectors, and
voltages on the PS.
2. Check the Spring Connector,
and voltage on the PS.
3. Replace the PS.
Yes
No
END
No
Yes
Clean, or replace the rollers.
Paper Travel
P
Are the Fuser, and Pressure
Roller surfaces clean?
Is the Test Pattern printout in
Copier F1 Mode, or Fax
Service Mode 3 normal?
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