Samsung CLX-9201 Service Manual page 340

4. Troubleshooting
► Error Code
M2–1124
M2–1125
► Error message
Paper jam inside of machine.
► Symptom
Paper jam has occurred inside the machine. (Feed drive unit is defective / Feed 1 sensor is defective.)
► Troubleshooting method
• M2–1124 : The leading edge of the paper has not reached the feed 1 sensor within the specified time.
• M2-1125 : The paper has not left from the feed 1 sensor within the specified time.
1) Open the side cover. Remove the jammed paper.
2) If jammed paper occurs continually, check the following.
a) Enter SVC mode. Execute feed motor test. If the motor operation is normal, go to step d).
b) Remove the rear cover. Check if the feed motor cable is connected correctly.
c) If the connection is OK, replace the feed drive unit(JC93-00444A).
(Refer to 3.3.16. Feed Drive unit)
d) If the feed motor operation is normal, check the feed 1 sensor.
e) If the sensor operation is abnormal, check the harness.
f) If the connection is OK, replace the feed sensor(0604-001381).
(Refer to 3.3.25. Feed sensor)
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