Samsung SCX 6322DN Service Manual - Page 102

Fuser Error

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Fuser Error Measure the resistance at the both ends of AC Line with covers open Troubleshooting NO Less than 10W? YES Remove the covers Thermostat is open due to the heat etc. -> Replace the thermostat AC is being supplied? NO YES The voltage of pin #60 of U36 NO (CPU) on the Main PBA is about 2.65V when printing? YES END Re-assemble the top cover and close it The voltage of pin #6 of U5 on the Main PBA is about 3.2V? If not check the CN4 on the power board. Thermistor, connecting point or engine board defect -> Repair/replace the component/board Samsung Electronics Service Manual 6-25

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Troubleshooting
Service Manual
6-25
Samsung Electronics
Fuser Error
Less than 10W?
AC is being supplied?
The voltage
of pin #60 of U36
(CPU) on the Main PBA
is about 2.65V when
printing?
END
Thermostat is open due to the heat etc.
-> Replace the thermostat
The voltage of pin #6 of U5
on the Main PBA is about
3.2V?
If not check the
CN4 on the power board.
Measure the resistance
at the both ends of AC
Line with covers open
Remove the covers
Re-assemble the top
cover and close it
Thermistor, connecting point or engine
board defect -> Repair/replace the
component/board
NO
NO
NO
YES
YES
YES