Oki B6500 Service Manual page 38

Step
Checking HARNESS ASSY FUSER for continuity
Warning; Start the operation after the FUSER ASSY
have cooled down.
10
Disconnect P/J46 from LVPS.
Remove FUSER ASSY. (RRP8.8)
Is there continuity between P/J46 and P/J4647?
Checking the power to Exit Sensor
11 Is the voltage across P/J46-3(+) and P/J46-4(-), 3.3
VDC?
Checking LVPS for continuity
12
Is there continuity between P/J41-1 and P/J46-3?
Checking FUSER ASSY roll for operation
Warning; Start the operation after the FUSER ASSY
have cooled down.
Remove FUSER ASSY. (RRP8.8)
13
Do the gear and the roll of FUSER ASSY rotate
smoothly?
Turn the gear of the heater roller of FUSER ASSY with
a finger to check.
Checking BTR ASSY for shape Remove BTR ASSY.
(RRP8.10)
14
Are there any abnormalities in BTR ASSY?
Check the shape, shaft and Bearing BTR of BTR ASSY.
Checking GUIDE ASSY CRU R Is GUIDE ASSY CRU
15
R damaged or stained?
Checking GUIDE ASSY CRU R for continuity
16 Remove GUIDE ASSY CRU R. (RRP8.13)
Is each harness continuous?
Checking after replacing HVPS/MCU
Replace HVPS/MCU. (RRP12.10)
Carry out a test printing.
17
Does the same trouble occur?
Check by Chapter 2 Diagnostic [TEST PATTERN
MODE MENU].
Checking after replacing EP CARTRIDGE
Replace EP CARTRIDGE.
Does the similar trouble occur, when the test printing is
18
done?
Check using Chapter 2 Diagnostic [TEST PATTERN
MODE MENU].
Checking ROLL REGI METAL (PL5.1.34) and ROLL
REGI RUBBER (PL5.1.12) for operation
Do ROLL REGI METAL and ROLL REGI RUBBER
19
rotate smoothly?
Turn ROLL REGI METAL and ROLL REGI RUBBER
with a finger to check.
Check
1 – 18
Chapter 1 Troubleshooting
Yes
Replace HAR-
Go to step 11. NESS ASSY
Go to step 13. Go to step 12.
Go to FIP1.24 Replace LVPS.
LVPS.
Replace LVPS. Replace FUSER
(RRP12.3) ASSY. (RRP8.8)
Replace BTR
Go to step 15.
ASSY. (RRP8.10)
Clean or replace
GUIDE ASSY
Go to step 16.
CRU R.
(RRP8.13)
Replace GUIDE
Go to step 17. ASSY CRU R.
Go to step 18. End of work
Go to step 19. End of work
Replace 150
Go to step 20. FEEDER ASSY.
No
FUSER.
(RRP12.3)
(RRP8.13)
(RRP5.1)