Oki B4100 - Manual (Page 281)

40055101TH Rev.4 281 /
Yes
The blank background is smeared.
Close and wait for about
30 minutes. Has the Image Drum been
exposed to external light?
Is the heat roller of the
fuser unit dirty?
Replace the EP unit or
PWU-HV Board
MCNT Board
Clean it.
No
No
Yes
Yes
No
Is the contact of the cleaning roller
of the EP unit in contact
with the contact assembly properly?
Adjust the contact of the
cleaning roller to contact
the contact assembly properly.
Yes
Blank paper is output
Set the EP unit properly. Is the EP unit set
properly?
Replace the LED head,
Power Supply Unit or MCNT Board.
No
Is the LED head connected properly?
(Check connector CN14 on
the MCNT Board.)
Connect the LED print
head properly.
Yes
No
Troubleshooting flow chart 8:
Troubleshooting flow chart 9: