Panasonic KV-S2065L Service Manual page 74

Error Code
F54 Paper Jam Sensor Error
Possible Cause
74
Check Point
Remove any dust on the LED on the
JAM LED Board, or on the light receptor
PAPER JAM SENSOR Board
Check that the LED on the PAPER
Board, the light receptor on the PAPER
SENSOR Board and the slot location on
carrier board are properly aligned
Check the PAPER JAM LED Board
Check the RELAY ( LOWER ) Board
Check the Paper Jam Sensor Cable
Check the RELAY ( UPPER ) Board
Replace the ENDING (REAR) SENSOR
Board Cable
Replace the POINTER Board Cable
Replace the PAPER JAM LED Board
Replace the ENDING (REAR) SENSOR
Board
Replace the POINTER Board
Replace the PAPER JAM SENSOR
Replace the RELAY ( LOWER ) Board
Replace the RELAY ( UPPER ) Board
Replace the MOTHER Board
Replace the MAIN CONTROL Board