T- 3 7
(13) Printer system: Blank streaks or bands
<Typical Faulty Images>
<Troubleshooting Procedures>
Step Check Result Action
1 Is Image Transfer Roller dented, scratchy, or
dirty?
YES Replace Image Transfer
Roller.
2 Is PC Drum scratchy or dirty? YES Replace Drum Cartridge.
3 Is Fusing Roller scratchy or dirty? YES Replace Fusing Unit (Fusing
Roller).
4 Is PH window dirty? YES Clean.
5 Is the problem eliminated after checks have
been made up to step 4?
NO Replace Controller/Mechani-
cal Control Board (PWB-P).
4011T015AA 4011T020AA
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