Electrical Component Defects
D0CA/D0C9/D0C8/D0CB 6-160 SM
6.14 ELECTRICAL COMPONENT DEFECTS
6.14.1 SENSORS
No. Sensor Name/
Sensor Board
Name
Activ
e
CN No./
Pin No.
Conditi
on
Symptom
S1 Duplex entrance
sensor (S1)
L CN523/15 Open Jam Z (Jam
26)
Shorted Jam Z (Jam
18)
S2 Duplex exit sensor
(S2)
L CN523/25 Open Jam Z (Jam
25)
Shorted Jam Z
S3 Fusing entrance
sensor (S3)
L CN523/22 Open Jam B (Jam
18)
Shorted Jam C
S4 Bypass tray lift
sensor (S4)
H CN523/11 Open SC508
Shorted
S5 Bypass paper
width sensor (S5)
L CN523/2 Open A4/LT size is
not detected.
Shorted A4/LT size is
detected.
S6 Paper end sensor
(bypass) (S6)
L CN523/5 Open Paper is
detected on
the by-pass
tray when no
paper is set.
Shorted Paper is not
detected on
the by-pass
tray when
paper is set.
S7 Paper exit sensor
(S7)
L CN525/11 Open Jam C (Jam
20)
Shorted Jam C (Jam
60)
S8 Fusing exit sensor L CN525/8 Open Jam C (Jam