Ricoh D025 - Page 587

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