Brother DPC-8060 Service Manual page 359

(I-12) Poor fixing
Possible cause Step
Print paper 1
Nip release 2
lever
Toner sensor 3
failure
(When
printing is
faint.)
Fuser unit 4
thermistor
failure
Low-voltage 5
power supply
PCB failure
Open the back cover and fuser cover. Push down the blue tab (1). Repeat this process on the other
side. Make sure that the top of the tab and the white lever (2) are not level with each other. Close
the back cover and try printing again.
Check
Is thick paper of more than
43lb being used?
Does the position of the nip
release levers in the fuser
unit decompress the nip
pressure?
Is the problem solved by
replacing the drum unit or
the toner cartridge?
Is the thermistor fitted
correctly?
Is the problem solved by
replacing the low-voltage
power supply PCB?
2
1
2
1
Fig. 9-2
9-37
Result Remedy
Yes Recommend to use the specified
types of paper.
Return the nip release levers to
Yes
the original position.
Yes 1) Toner is empty.
2) The toner sensor is defective.
Clean the toner sensor.
3) If the wiper in the toner
cartridge is broken, replace the
toner cartridge with a new one.
No Fit the thermistor correctly.
Yes Replace the low-voltage power
supply PCB.
Confidential