Samsung Xpress M2070 Series Service Manual page 97

► Error Code
S2–4110
► Error message
Door open. Close it.
► Symptom
Top cover is open or the cover open switch is defective.
► Troubleshooting method
1) Check if the top cover is closed perfectly. Open and close it.
2) Remove the right cover. Check if the connection between the main board and SMPS/HVPS board is correct.
3) Check if the cover open switch on SMPS/HVPS board is operated properly. If it is defective, replace the
SMPS/HVPS board.
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4. Alignment and Troubleshooting
4-31