Ricoh D117 - Page 466

Electrical Component Defects
SM 6-105 D117/D118
Troubleshooti
ng
No.
Sensor Name/
Sensor Board Name
Active
CN No./
Pin No.
Condition Symptom
Shorted
 Waste toner full
cannot be
detected when
the waste toner
bottle is nearly
full.
S26 Tray Lift Sensor L CN543/7
Open
 SC501
Shorted
No.
Sensor Name/
Sensor Board
Name
Active
CN No./
Pin No.
Condition Symptom
S27 Paper Exit L CN525/7
Open  Jam C (Jam 20)
Shorted  Jam C (Jam 60)
TH1
Pressure Roller
Thermistor (End)
A CN568/4
Open
 SC551
Shorted
TH2
Pressure Roller
Thermistor
A CN568/2
Open
 SC571
Shorted
TH3
Fusing Thermistor
(End)
A CN568/6
Open
 SC561
Shorted
TH4
Temperature
Detection Sensor
A CN526/4
Open
 SC497
Shorted
SW4
Cover Open/close
Sensor
L CN559/19
Open
 “Open Cover” is
displayed.
Shorted
 “Open Cover”
cannot be
detected.