Samsung CLX-8640 series Service Manual page 372

4. Troubleshooting
► Error Code
M2–2313
► Error message
Paper jam at the inside of duplex path
► Symptom
Paper is not reached to the regi sensor and jam has occurred.
► Troubleshooting method
• Jam Occurrence Location
1) Check if there is any substance on duplex path. Remove it.
2) Clean the surface of the duplex roller-3. If it is broken or deformed, replace it(JC66–03495A).
3) Enter SVC mode. Execute duplex motor2 test. (Diagnostics > Engine Diagnostics > Engine Test Routines >
DUPLEX 2–MOTOR IN/OUT)
• If the motor operation is abnormal, check the motor connection. If the connection is OK, replace the
motor(JC93–00301A) from the duplex unit.
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