Oki B6200 Maintenance Manual page 109

Step
Checking Drum ground
6 Check the Plate Earth of GUIDE ASSY CRU R.
Are there any stains or deformation on the Plate Earth?
Checking BTR ASSY
Remove BTR ASSY. (RRP8.10)
7
Check if any stains and/or wear on BTR ASSY.
Are there any stains and/or wear on BTR?
Checking the image development process
Operate Test Print, and turn off the power of the printer
while printing.
Remove the EP CARTRIDGE with care, and check the
8
toner image formed on the drum, right before the
transcribe part (BTR).
Is the image on the drum completely formed? Is the area
clear and black, and easily read?
Checking the image transcribe process
Check the toner image formed on the drum, right after the
9 transcribe part (BTR).
Is the toner image on the drum completely transcribed on
the paper?
Checking Heat Roll and Pressure Roll
Remove FUSER ASSY. (RRP8.8)
Warning; Start the operation after the FUSER ASSY
10 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?
Check
1 - 93
Chapter 1 Troubleshooting
Yes
Restore or clean
the Plate Earth, or
Go to step 7. replace GUIDE
ASSY CRU R.
Go to step 8.
ASSY. (RRP8.10)
Go to FIP2.18
Go to step 9.
Go to step 10.
ASSY. (RRP8.10)
Go to step [ESS
Replace FUSER
and possible
ASSY. (RRP8.8)
causative parts].
No
(RRP8.13)
Replace BTR
HVPS/MCU.
Replace BTR