Ricoh G133 - Page 317

Electrical Component Defects
SM 4-101 G133
Trouble-
shooting
No.
Sensor Name/
Sensor Board Name
Active CN Condition Symptom
S16
Temperature/
Humidity Sensor
A CN205/1, 3
Open/
Shorted
SC498
Printed image has
some problems such as
rough image, dirty
background, weak
image or poor fusing.
S47 Thermopile A CN218/3
Open/
Shorted
SC541
TH2
Thermistor
- Heating Roller
A CN217/5
Open/
Shorted
SC551
TH1
Thermistor
- Pressure Roller
A CN217/3
Open/
Shorted
SC561
Open Jam C (Jam 20)
S4 Paper Exit Sensor L CN232/10
Shorted Jam C (Jam 1)
Open
Paper overflow
message is not
displayed when the
paper overflow
condition still remains.
S6
Paper Overflow
Sensor
L CN232/16
Shorted
Paper overflow
message is displayed
when the paper
overflow condition does
not remain.
S45
Paper Transfer
Contact Sensor
L CN225/11
Open/
Shorted
SC452
S46
Image Transfer Belt
Contact Sensor
L CN225/17
Open/
Shorted
SC442