Samsung Xpress M282 Series Service Manual page 96

4. Troubleshooting
► Error Code
U1–2312
U1–2315
► Error message
Fuser Unit Failure #U1-2312 : Turn off then on.
Fuser Unit Failure #U1-2315 : Turn off then on.
► Symptom
The temperature control of fuser unit is abnormal. (Open Heat Error)
► Troubleshooting method
1) Turn the machine off. Re-install the fuser unit. Then turn the machine on. Is the error message is disappeared?
2) If the problem persists, turn the machine off and remove the fuser unit. Check if the fuser connector is connected
properly. Check if the input voltage is normal.
► Error Code
U1–2320
U1–2330
U1–2334
U1–2340
U1–234H
► Error message
Fuser Unit Failure: #U1-2320. Turn off then on. Call for service if the problem persists
Fuser Unit Failure: #U1-2330. Turn off then on. Call for service if the problem persists
Fuser Unit Failure: #U1-2334. Turn off then on. Call for service if the problem persists
Fuser Unit Failure: #U1-2340. Turn off then on. Call for service if the problem persists
Fuser Unit Failure: #U1-234H. Turn off then on. Call for service if the problem persists
► Symptom
The temperature control of fuser unit is abnormal. (Low Heat Error or Over Heat Error)
► Troubleshooting method
1) Turn the machine off. Re-install the fuser unit. Then turn the machine on. Is the error message is disappeared?
2) If the problem persists, turn the machine off and remove the fuser unit.
a) Check if the fuser connector is connected properly.
b) Check if the input voltage is normal.
c) Check if the thermistor is twisted or contaminated.
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