Oki B6500 Troubleshooting Manual page 54

Step
Checking HARNESS ASSY CHUTE for continuity
Disconnect P/J24 from HVPS/MCU.
Disconnect P/J245 and P/J248.
Is there continuity between
J24-6 and J245-13?
6 J24-7 and J245-12?
J24-8 and J245-11?
J24-1 and J248-5?
J24-2 and J248-4?
J24-3 and J248-3?
Checking HARNESS ASSY TRAY1 and HARNESS
ASSY TRAY2 for continuity
Remove SENSOR NO PAPER.
Disconnect P/J24 from HVPS/MCU.
Is there continuity between
P/J245-1 and P/J240-3?
7
P/J245-2 and P/J240-2?
P/J245-3 and P/J240-1?
P/J248-1 and P/J246-3?
P/J248-2 and P/J246-2?
P/J248-3 and P/J246-1?
Checking HVPS/MCU for continuity
Disconnect P/J11 from HVPS/MCU.
8
Is there continuity between P/J11-16 and P/J24-6 and
P/J11-16 and P/J24-1?
Checking SENSOR NO PAPER (3)
9 Replace SENSOR NO PAPER. (RRP5.8, 7.6)
Does the problem still occur, after replacement?
Check
1 – 50
Chapter 1 Troubleshooting
Yes
Replace HAR-
Go to step 7. NESS ASSY
Replace HAR-
NESS ASSY
Go to step 9. TRAY1 or HAR-
NESS ASSY
Go to FIP1.24 Replace HVPS/
LVPS. MCU. (RRP12.10)
Replace HVPS/
MCU. End of work
(RRP12.10)
No
CHUTE.
TRAY2.