Samsung MultiXpress K4 Series Service Manual page 337

► Error Code
H1-1422
► Error message
Tray 4 cassette is pulled out. Insert it properly.
► Symptom
Tray 4 is pulled out or the auto size sensor connector is not connected or is broken.
► Troubleshooting method
1) Remove and insert tray4 correctly.
2) If the problem persists, remove tray3 and tray4. Look inside machine.
3) Check if the auto size sensor cable is connected correctly. Unplug and reconnect it.
4) If the connection is OK, replace the auto size sensor(JC93-00018A).
5) If the problem persists, replace the DCF board(JC92-02453A).
(Refer to 3.3.33.1. DCF Main Board)
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4. Troubleshooting
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