Samsung ProXpress M453x series Service Manual page 188

4. Troubleshooting
► Error Code
S7–2110
► Error message
Fuser Failure: #S7-2110. Turn off then on
► Symptom
Heater control relay is abnormal.
► Troubleshooting method
1) Turn the machine off. Re-install the fuser unit, then turn the machine on.
2) If the problem persists, replace the fuser drive
3) If the problem persists, replace the fuser
4-93
board(JC44–00204A(220V) /
unit(JC91–01177A (220V) / JC91–01176A
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JC44–00203A(110V)).
(110V)).