Oki B6500 Troubleshooting Manual page 23

Step
Checking GLUTCH REGI for function
Does CLUTCH REGI function appropriately?
20
Check using Chapter 2 Diagnostic [Regi. Roll Clutch
Test].
Checking GEAR ASSY HOUSING operation (1)
Remove EP CARTRIDGE.
21 Install COVER ASSY and close it.
Does each gear rotate normally?
Check using Chapter 2 Diagnostic [Main Motor Test].
Checking GEAR ASSY HOUSING operation (2)
22 Does each gear rotate smoothly?
Remove GEAR ASSY HOUSING to check. (RRP11.3)
Check
1 – 19
Chapter 1 Troubleshooting
Yes
Go to FIP1.38
Go to step 21.
CLUTCH REGI.
Replace HVPS/
MCU. Go to step 22.
(RRP12.10)
Replace GEAR
Replace the trouble
ASSY HOUS-
ING. (RRP11.3)
No
gear.