Error: #H1-1230 / Input System Failure: #H1-1230. Check Tray - Samsung ProXpress M337x Service Manual

4. Alignment and Troubleshooting
► Error Code
H1-1230
► Error message
Error: #H1-1230 / Input System Failure: #H1-1230. Check tray 2 connection
► Symptom
Communication error has occurred.
► Troubleshooting method
1) Turn the machine off then on.
2) If the problem persists, turn the machine off.
3) Remove the SCF right cover. (Refer to 3.3.23.1)
4) Check if the interface connector is connected to the SCF main board. If the interface connector is defective,
replace it.
5) If the problem persists, replace the SCF main board.(JC92-02636A)
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