Ricoh B230 Service Manual page 382

Sensor Name/
No.
Sensor Board Name
Toner End Sensor - K
Image Transfer Belt
S11
Rotation Sensor
S12 Paper Feed Sensor 1 L
S13 Paper End
S16 Sensor 1, 2
S14
Paper Lift Sensor 1, 2 H
S17
S15 Paper Feed Sensor 2 L
S18 Tray 1 Paper Height
S19 Sensor 1, 2
SW02 Tray 1 Set Switch
By-pass Paper Size
S22
Sensor
S23 By-pass Paper
B230/B237/D042
Active CN
H/L CN233/15
CN281/2
CN281/5,
L
14
CN281/8,
17
CN281/11
L CN282/2, 5
L CN282/17
CN283/A1,
L
A2, A4, A5
L CN283/A7
4-120
Condition Symptom
toner.
Open/
SC443
Shorted
Open Jam A (Jam3, 11)
Shorted Jam A, B (Jam1)
Paper end is not
detected when there is
Open
no paper in the paper
tray.
Paper end is detected
Shorted when there is paper in
the paper tray.
Open/
SC501, SC502
Shorted
Open Jam A (Jam4, 12)
Shorted Jam A, B (Jam1)
Remaining paper
Open/
volume on the LCD is
Shorted
wrong.
Tray 1 is not detected
Open
when tray 1 is set.
Tray 1 is detected when
Shorted
tray 1 is not set.
Open/
Paper size error
Shorted
Open Paper on the by-pass
SM