Oki B6200 Maintenance Manual page 113

Step
Checking Heat Roll and Pressure Roll
Remove FUSER ASSY. (RRP8.8)
Warning; Start the operation after the FUSER ASSY
6 have cooled down.
Turn the Gear HR with a finger, and check the Heat Roll
and Pressure Roll.
Are the Heat Roll and Pressure Roll damaged or stained?
Checking ground of Heat Roll, Pressure Roll and Inlet
Chute
Check visually, if there are any stains or transformation on
the two plates on the left side of FUSER ASSY.
Check the continuity between the plate on the left side of
FUSER ASSY and the following points.
7
- Back plate <=> Both ends of Heat Roll, without coating
(5-10 k-ohm)
- Front plate <=> The plate on Inlet Chute left end (1-2
k-ohm)
Are the grounding plates of Heat Roll, Pressure Roll and
Inlet Chute sound and continuous?
Checking ground of FUSER ASSY
Remove EP CARTRIDGE.
Check if there are any stains or deformation on GEAR
ASSY HOUSING.
8 Check the continuity between the printer frame and screw
on the back of FUSER ASSY.
Are there any deformation or stains on GEAR ASSY
HOUSING?
Is FUSER ASSY grounded?
Check
1 - 97
Chapter 1 Troubleshooting
Yes
Replace FUSER
Go to step 7.
Replace FUSER
Go to step 8.
Go to step [ESS Replace GEAR
and possible ASSY HOUSING.
causative parts].
No
ASSY.
(RRP8.8)
ASSY.
(RRP8.8)
(RRP11.3)