Oki B6500

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Chapter 1 Troubleshooting
4.6 Level 2 FIP
FIP2.8 PWBA DUPLEX
Step Check Yes No
Possible causes:
PWBA DUPLEX (PL21.1.32)
HARNESS ASSY DUP (PL21.1.7)
HVPS/MCU (PL12.1.19)
HARNESS ASSY LVPS (PL12.1.1)
1
Checking HARNESS ASSY DUP for continuity
Remove Option Duplex.
Disconnect P/J50 from PWBA DUPLEX.
Is there continuity between J2750 and J50?
Go to step 2.
Replace HAR-
NESS ASSY DUP.
2
Checking HARNESS ASSY LVPS for continuity
Disconnect P/J27 from HVPS/MCU.
Is there continuity between J27 and J2750?
Go to step 3.
Replace HAR-
NESS ASSY LVPS.
3
Checking after replacing PWBA DUPLEX
Replace PWBA DUPLEX. (RRP21.5)
Is the problem cleared, after replacement?
End of work
Replace HVPS/
MCU. (RRP12.10)