Samsung CLP-775ND Series Service Manual page 113

► Error Code
M2–2310
► Error message
Jam bottom of duplex.
► Symptom
Paper jammed in the duplex area.
► Troubleshooting method
1) Open the front cover and separate the PTB unit. Remove the jammed paper.
2) If the paper is not reached to the duplex path after the exit sensor sensing, check the Clutch-BK deve. If it
is defective, replace it.
3) Check if the Exit actuator work normally. Check if the actuator spring is assembled correctly.
4) Check if the fuser motor rotate in reverse when the paper is entering to the machine for duplex printing.
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4. Alignment and Troubleshooting
4-54