Jam Detection
SM 4-89 G133
Trouble-
shooting
Jam Code
SP
Display Description
LCD
Display
(B793) after the exit sensor of the main frame
has turned on or paper stays at the
entrance sensor.
7504 131
Finisher Proof Exit
(B793)
Paper does not reach to the proof tray
exit sensor or stay at the proof tray exit
sensor.
R1-R3
7504 132
Finisher Shift Tray Exit
(B793)
Paper does not reach to the shift tray
exit sensor or stay at the shift tray exit
sensor.
R1-R3
7504 133
Finisher Staple Exit
(B793)
Staple tray exit sensor does not turn
on after the entrance sensor has
turned on.
Staple tray exit sensor does not turn
off after it has turned on.
R4-R6
7504 134 Finisher Exit (B793)
Shift tray exit sensor does not turn
on while the stack feed-out roller
has turned on.
Shift tray exit sensor does not turn
off after the stack feed-out roller has
returned to its home position.
R4-R6
7504 135
Finisher Folding
(B793)
Fold unit entrance sensor does not turn
on after the stopper S HP sensor has
turned on.
R7-R11
7504 136
Finisher Folding Exit
(B793)
Fold unit exit sensor does not turn
on after the folding has been done.
Fold unit exit sensor does not turn
off after it has turned on.
R7-R11
7504 137
Finisher Guide Motor
(B793)
Exit guide plate HP sensor does not
turn off after the exit guide plate has
R1-R3