Ricoh D104 Field Service Manual page 702

6. Troubleshooting
Sensor Name/
No.
Sensor Board Name
S12 ITB Rotation Sensor
Vertical Transport Sensor
S10
1
S8 Paper End
S9 Sensor 1, 2
Vertical Transport Sensor
6
S11
2
SW6 Tray 1 Paper Size Switch
By-pass Paper Size
S13
Sensor
By-pass Paper End
S15
Sensor
By-pass Paper Length
S14
Sensor
S16 By-pass HP Sensor
700
Activ
CN Condition
e
Open/
H/L CN219/20
Shorted
Open
L CN219/10
Shorted
Open
CN214/17,
L
19
Shorted
Open
L CN219/15
Shorted
Open/
Shorted
CN211/11,
L
12, 13, 15
Shorted
Open/
CN221/9,
L
10, 12, 13
Shorted
Open
L CN221/18
Shorted
Open
L CN221/15
Shorted
Open/
H CN221/21
Shorted
Symptom
SC443
Jam A1 (Jam11)
Jam A1, A2 (Jam51)
Paper end is not detected
when there is no paper in
the paper tray.
Paper end is detected when
there is paper in the paper
tray.
Jam Y (Jam12)
Jam Y (Jam52)
Paper size error
Tray 1 is detected when tray
1 is not set.
Paper size error
Paper on the by-pass tray is
not detected when paper is
set.
Paper on the by-pass tray is
detected when paper is not
set.
Paper size error
SC508