Oki B4100 User Manual
Page 286
40055101TH Rev.4
286 /
Check the thermister, the heater
(inside the fuser unit),
MCNT board and Power Supply Unit.
Is the (Bias)
spring normal?
(Tension: 2.5 kg)
Yes
No
Repair the pressure roller spring.
Poor fusing
Is the paper OKI
specified grade?
No
Use paper of OKI
specified grade.
Is the contact of the fuser
unit contacted with the contact
assembly prolerly?
No
Adujust the contact of the
fuser unit to contact the
contact assembly properly.
Yes
Yes
Troubleshooting flow chart 14:
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