ED:2010-04-08 Samsung Eletronics
18
• Code:U1-2121
• Error message:
SMART PANEL:Fuser Unit Failure : #U1-2121.
Turn off then on.
• Symptom/Cause:
1. The fuser unit is defective.
2. The SMPS Triac is defective.
3. The main board is defective.
Using an incorrect type of paper may create a fusing error. Please use only paper that meets the specifications
required by the machine.
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