Minolta Di551 Service Manual page 501

ELECTRIC PARTS LIST
Jam
Classification
Code
FN-113 J72-17
J72-18
J72-19
Cause
The Upper Entrance Sensor (PC4) is not
blocked even after the lapse of a given
period of time after the paper has
unblocked the Transport Unit Entrance
Sensor (PC22).
The Lower Entrance Sensor (PC2) is not
blocked even after the lapse of a given
period of time after the paper has
unblocked the Transport Unit Entrance
Sensor (PC22).
The Storage Sensor (PC3) is not blocked
even after the lapse of a given period of
time after the paper has blocked the Upper
Entrance Sensor (PC4).
The Storage Sensor (PC3) is not blocked
even after the lapse of a given period of
time after the paper has blocked the Lower
Entrance Sensor (PC2).
The Upper Entrance Sensor (PC4) is not
unblocked even after the lapse of a given
period of time after the paper has blocked
PC4.
The Lower Entrance Sensor (PC2) is not
unblocked even after the lapse of a given
period of time after the paper has blocked
PC2.
The 1st Tray Exit Sensor (PC1) is not
unblocked even after the lapse of a given
period of time after the paper has blocked
PC1.
The Storage Sensor (PC3) is not
unblocked even after the lapse of a given
period of time after the paper has blocked
PC3.
The Finisher Tray Paper Detecting Sensor
(PC5) remains blocked even after the
lapse of a given period of time as the paper
on the Finisher Tray is fed out after a sta-
pling operation.
4-32
Machine response Countermeasure
Machine stops Remove the jammed
immediately. paper from the FNS or
the main body.