Service Manual

ERROR CODE LIST
4-53
IV DIAGRAMS
1
FNS
FS-114 F77-4 M6-FN (Exit open/close motor)
drive failure
• After starting pressing posi-
tion driving, PC12-FN (Exit
roller home position sensor)
does not ON within specified
time from M6-FN ON.
• After starting separation posi-
tion driving, PC12-FN does
not OFF within specified time
from M6-FN ON.
The main
body stops
immediately,
and the RL1
(Main) turn
OFF.
PWB-A FN (Control board)
M6-FN (Exit open/close motor)
PC12-FN (Exit roller home
position sensor)
FS-112 F77-5 M707 (Paper pressure motor)
drive abnormality
The M707 does not make a turn
in the specified period of time
after it starts to operate.
M707 (Paper pressure motor)
FNSCB (FNS control board)
Sensor wiring harness/1
FS-113 F77-5 M12 (Storage roller separation
motor) drive abnormality
• When the pressure position
drive starts, the PC12 (Stor-
age roller home sensor) is not
truned on in the specified
period of time after the M12 is
turned ON.
• When the separation position
drive starts, the PC12 is not
turned ON in the specified
period of time after the M12 is
turned ON.
M12 (Storage roller separation motor)
PWB-A (Control board)
PC12 (Storage roller home sensor)
FS-112 F77-6 M705 (Stapler movement motor)
abnormality
• The PS708 (Stapler unit HP
sensor) is not turned ON in
the specified period of time
after the start of the home
position search.
• The PS708 is not turned OFF
in the specified period of time
after the start of the move-
ment to the 2-staple standby
position.
FNSCB (FNS control board)
M705 (Stapler movement motor)
PS708 (Stapler unit HP sensor)
Sensor wiring harness/2
Motor wiring harness/1
Classification
Warning
code
Causes Resulting
operation
Estimated abnormal parts