Dell 1135N Service Manual - Page 126
The cause and solution of the malfunction
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Alignment and Troubleshooting 4.2.4 The cause and solution of the malfunction 1) Fuser Error Description : Fuser error is displayed on LCD 1. Check whether the thermostat, AC wire, and/or heat lamp are open or not. 2. Check whether a thermistor is open or not. 3. Heat lamp ON/OFF test Replace the fuser if a thermostat is open. Replace the fuser if a thermistor sensor is located deep inside of a sponge. Check whether the overheat mode circuit operates normally or not. 4. It could not operate due to a gear of a fuser is melted. Replace the fuser. Service Manual 4-53
Alignment and Troubleshooting
4-53
Service Manual
4.2.4 The cause and solution of the malfunction
1) Fuser Error
Description :
Fuser error is displayed on LCD
1. Check whether the thermostat,
AC wire, and/or heat lamp are
open or not.
Replace the fuser if a thermostat
is open.
Replace the fuser if a thermistor
sensor is located deep inside of
a sponge.
Check whether the overheat
mode circuit operates normally
or not.
Replace the fuser.
2. Check whether a
thermistor is open or not.
3. Heat lamp ON/OFF test
4. It could not operate
due to a gear of a fuser is melted.