5-69
Troubleshooting
Code No.
Function
Check points
E7-24
E7-25
Finisher stapler shift motor
Finisher paper height sensor
(1) Motor connector is shorted or broken.
(2) Motor is defective.
(3) Finisher controller PCB connector (CN-
J11) is shorted or broken.
(4) Finisher controller PCB is defective.
(5) Finisher relay PCB connector (CN-J301/
302/305) is shorted or broken.
(6) Finisher controller PCB is defective.
(7) (FP-D250/D350)
LVPS connector (
CN8
) is shorted or
broken.
(FP-D450/D600)
LVPS connector (
CN8
) is shorted or
broken.
(8) LVPS is defective.
(9) (FP-D250/D350)
CPU PCB connector (
CN15
) is shorted or
broken.
(FP-D450/D600)
CPU PCB connector (
CN15
) is shorted or
broken.
(10) CPU PCB is defective.
(1) Sensor connector is shorted or broken.
(2) Sensor is defective.
(3) Finisher controller PCB connector (CN-J6)
is shorted or broken.
(4) Finisher controller PCB is defective.
(5) (FP-D250/D350)
LVPS connector (
CN8
) is shorted or
broken.
(FP-D450/D600)
LVPS connector (
CN8
) is shorted or
broken.
(6) LVPS is defective.
(7) (FP-D250/D350)
CPU PCB connector (
CN15
) is shorted or
broken.
(FP-D450/D600)
CPU PCB connector (
CN15
) is shorted or
broken.
(8) CPU PCB is defective.
