Panasonic KX-FLM652CX Service Manual page 107

6.6.8.5. THE RECORDING PAPER JAM
CROSS REFERENCE:
PAPER EXIT SENSOR..... "PAPER JAMMED" (P.189)
FAN MOTOR SECTION (P.180)
REGIST SENSOR (P.188)
When the recording paper jam is occurred, the service
mode *630 distinguishes the cause.
0:No Paper Jam
1:Failed pick up
2:The paper top sensor is not turned OFF although the fixed
time had passed since the sensor was turned ON.
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KX-FLM652CX