Ricoh D025 - Page 590

Electrical Component Defects
D023/D025 7-6 SM Appendix
No.
Sensor Name/
Sensor Board Name
Active CN Condition Symptom
Open
Waste toner bottle is
not detected when the
waste toner bottle is
set.
SW4
Waste Toner Bottle
Set Switch
L CN224/A7
Shorted
Waste toner bottle is
detected when the
waste toner bottle is not
set.
SW6
Tray 2 Paper Size
Switch
L
CN224/
A11, A12,
A13, A15
Open/
Shorted
Paper size error
S6
Temperature/
Humidity Sensor
A
CN231/
25, 27
Open/
Shorted
SC498
Printed image has
some problems such as
rough image, dirty
background, weak
image or poor fusing.
S47 Thermopile A CN209/16
Open/
Shorted
SC541
TH2
Thermistor
- Heating Roller
A CN212/22
Open/
Shorted
SC551
TH1
Thermistor
- Pressure Roller
A CN212/18
Open/
Shorted
SC561
Open Jam C (Jam 20)
S3 Paper Exit Sensor L CN204/9
Shorted Jam C (Jam 1)