Ricoh IM C400F

Electrical Component Defects
SM 6-163 D0CA/D0C9/D0C8/D0CB
Troubleshooting
No. Sensor Name/
Sensor Board
Name
Activ
e
CN No./
Pin No.
Conditi
on
Symptom
S27 ID sensor (front)
(S27)
A CN555/3 Open SC370
Shorted
S28 ID sensor (center)
(S28)
A CN555/7 Open SC370
Shorted
S29 ID sensor (rear)
(S29)
A CN555/12 Open SC370
Shorted
S30 Tray paper end
sensor (main unit)
(S30)
L CN571/8 Open Paper end is
detected
when there
is paper in
the paper
tray.
Shorted Paper end is
not detected
when there
is no paper
in the paper
tray.
S31 Paper feed sensor
(S31)
L CN571/5 Open Jam A
Shorted Normal
operation
S32 Registration
sensor (S32)
L CN571/2 Open Jam A (Jam
17)
Shorted Jam B
S33 ITB lift HP sensor
(S33)
L CN543/7 Open SC442
Shorted
S34 Tray set sensor
(S34)
L CN543/10 Open Paper tray
cannot be
detected.
Shorted Paper tray is
detected
when the
paper tray is
not set.
S35 Tray Bottom Plate
lift Sensor (S5)
H CN571/11 Open SC501
Shorted