Fuser Error - Samsung SCX-5315F Series Service Manual

Fuser Error

Measure the resistance
at the both ends of AC
Line with covers open
Less than 10W?
YES
Remove the covers
AC is being supplied?
YES
The voltage
of pin #60 of U36
(CPU) on the Main PBA
is about 2.65V when
printing?
YES
END
Samsung Electronics
NO
Thermostat is open due to the heat etc.
-> Replace the thermostat
NO
Re-assemble the top
cover and close it
Thermistor, connecting point or engine
NO
board defect -> Repair/replace the
component/board
Troubleshooting
The voltage of pin #6 of U5
on the Main PBA is about
3.2V?
If not check the
CN4 on the power board.
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