Oki OKIFAX 5950 Series Maintenance Manual page 386

Troubleshooting flow chart 12:
Some parts not printed
Is the print paper folded,
Check ID unit or Power Supply Unit.
OF5750/5950 Series January 2001
Yes
bent, or scratched?
No
Yes
Is the transfer roller
dirty?
No
7 - 45
Replace the paper.
Clean it.