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Chapter 1 Troubleshooting
4.12 Level 2 FIP
FIP4.6 PWBA FEEDER 550
It is stated here as Option 550 Paper Feeder is set as Tray 3. When it is set as Tray 4, refer to the
statement in FIP2.21 PWBA FEEDER 550 for the circuit usage condition.
Step Check Yes No
Possible causes:
HARNESS ASSY FDR1 (PL12.1.21)
PWBA FEEDER 550 (PL20.1.34)
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 FDR1 for continuity
Remove HARNESS ASSY FDR1.
Is there continuity through HARNESS ASSY FDR1?
Go to step 3.
Replace HAR-
NESS ASSY
FDR1.
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)
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