Error Code U1-2315-2340 - Samsung ProXpress M337x Service Manual

4. Alignment and Troubleshooting
► Error Code
U1–2315
U1–2320
U1–2330
U1–2334
U1–2340
► Error message
Error #U1-2315 Turn off then on.
Error #U1-2320 Turn off then on.
Error #U1-2330 Turn off then on.
Error #U1-2334 Turn off then on.
Error #U1-2340 Turn off then on.
► Symptom
The temperature control of fuser unit is abnormal.
► 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.
(Refer to 3.3.13)
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; and is in contact with the Heat Roller.
3) After confirming continuity in the fuser connector and the problem still exists; order an SMPS/HVPS and Fuser
Unit and install as is necessary.
• HVPS : JC44-00197A
• SMPS : JC44-00095D (110V) / JC44-00096D (220V)
• Fuser Unit :
4-67
JC91-01023A (110V) / JC91-01024A (220V)
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