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Chapter 1 Troubleshooting
FIP4.7 PWBA FEEDER 550
It is stated here as Option 550 Paper Feeder is set as Tray 4. When it is set as Tray 3, refer to the
statement in FIP2.20 PWBA FEEDER 550 for the circuit usage condition.
Step Check
Yes
No
Possible causes:
PWBA FEEDER 550 (PL20.1.34)
HARNESS ASSY FDR5 (PL20.1.26)
HARNESS ASSY FDR2 (PL20.1.5)
HVPS/MCU (PL12.1.19)
1
Checking HARNESS ASSY FDR2 for continuity
Remove HARNESS ASSY FDR2.
Is there continuity between J2083 and J83?
Go to step 2.
Replace HAR-
NESS ASSY
FDR2.
2
Checking HARNESS ASSY FDR5 for continuity
Remove HARNESS ASSY FDR5.
Is there continuity between J84 and J8483?
Go to step 3.
Replace HAR-
NESS ASSY
FDR5.
3
Checking PWBA FEEDER 550
Replace PWBA FEEDER 550. (RRP20.8)
Does the problem still occur, after replacement?
End of work
Replace HVPS/
MCU. (RRP12.10)