Ricoh D025 Service Manual page 587

Sensor Name/
No.
Sensor Board Name
Toner End Sensor - K
S25
Toner End Sensor - Y
S26
Toner End Sensor - C
S27
Toner End Sensor -
S28
M
Image Transfer Belt
-
Rotation Sensor
Vertical Transport
S20
Sensor 1
S21 Paper End
S24 Sensor 1, 2
S22
Paper Lift Sensor 1, 2
S25
Vertical Transport
S23
Sensor 2
S15 Tray 1 Paper Height
S16 Sensor 1, 2
SM Appendix
Active CN Condition
CN207/A1
Open
CN207/B9
CN207/
L
B12
Shorted
CN207/
B15
Open/
H/L CN208/11
Shorted
Open
L CN230/A7
Shorted
Open
CN230/
L
A10, B10
Shorted
CN230/ Open/
H
A13, B13 Shorted
Open
L CN230/B7
Shorted
CN224/ Open/
L
B2, B5 Shorted
7-3
Electrical Component Defects
Symptom
Toner end cannot be
detected.
Toner end is detected
when there is enough
toner.
SC443
Jam A (Jam3, 11)
Jam A, B (Jam1)
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.
SC501, SC502
Jam A (Jam4, 12)
Jam A, B (Jam1)
Remaining paper
volume on the LCD is
wrong.
D023/D025