Samsung ProXpress M453x series Service Manual page 132

4. Troubleshooting
► Error Code
A4-1110
► Error message
Lamp Failure: #A4-1110. Open the door, then close it. Call for service if the problem persists
► Symptom
Erase Lamp does not turn on.
► Troubleshooting method
1) Enter SVC mode. Execute the erase lamp test.
2) If the erase lamp does not turn on, replace it(JC92-02373A).
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