Brother HL-1060 User Manual
Page 88

CHAPTER IV -24
M-5
Insufficient output from high-voltage power supply unit
Possible cause
Step
Check
Result
Remedy
High-voltage
contact
1
Do any of the terminals on the
high-voltage contacts have dirt
or contact burns?
Yes
Clean the high-voltage contact.
2
Check the connection of the
harness between the high-
voltage power supply and the
driver PCB is OK.
Yes
Replace the high-voltage power
supply PCB.
No
Reconnect the harness
between the high-voltage
power supply and the driver
PCB.
M-6
SR PCB failure
Possible cause
Step
Check
Result
Remedy
SR bias contact
1
Do any of the terminals on the
SR contacts have dirt or
contact burns?
Yes
Clean the SR bias contact.
Ditto
2
Check the connection of the
harness between the SR PCB
and the driver PCB.
Yes
Replace the SR PCB.
M-7
Fixing heater temperature failure
Possible cause
Step
Check
Result
Remedy
Poor thermistor
harness contact
1
Are the connectors on the
erase lamp PCB and the high-
voltage power supply PCB
secured correctly?
No
Connect the connectors
securely.
Blown thermal
fuse
2
Remove the fixing unit and
measure the resistance
between the input connectors.
Is it open circuit?
Yes
Replace the fixing unit.
Thermistor
failure
3
Is the thermistor installed
properly?
Yes
Replace the fixing unit.
No
Reinstall the thermistor
properly.
Halogen heater
lamp failure
4
Remove the fixing unit and
measure the resistance of the
fixing unit lamp. Is it open
circuit?
Yes
Replace the halogen heater
lamp.