Read Sharp MX-FN18 Service Manual online
MX-FN18 OPERATIONAL DESCRIPTION 6 – 23
C. Checking for a jam in punch module (MX-PN12A/B/C/D)
The finisher judges to be jammed, and sends the jam signal to the host machine when the conditions shown below occur. Then, the host
machine may stop copy operation, as well as displays paper jam sign.
Jam type
Sensor
Jam condition
Code
Feed delay
LED5, PTR5
The trailing edge sensor (LED5, PTR5) does not detect paper even if the specified time (distance) has
passed after delivery signal is received from the host machine.
FPNCHJ
Feed residence
LED5, PTR5
The sheet does not come through the trailing edge sensor (LED5, PTR5) even if the specified time
(distance) has passed after the trailing edge sensor (LED, PTR5) detects paper.
FPNCHJ
Punch
FPHPD
The sensor does not turn ON again even if the specified time has passed after the punch home position
sensor (FPHPD) turns off.
FPNCHJ
Power ON
LED5, PTR5
The sheet is detected by the trailing edge sensor (LED, 5, PTR5) after power is supplied.
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