Service Tables; Test Points - Ricoh A151 Field Service Manual

3. SERVICE TABLES

3.1 TEST POINTS

Copier Main Board
NUMBER
TP102 HET (Fusing Thermistor)
TP103 GND
TP106 ADS (Auto Image Density Sensor)
Adjust the voltage to +2.5 ± 0.1 volts by VR101.
TP107 AVSS (GND)
TP110 PSE (ID Sensor Voltage)
Adjust the voltage to +4.0 ± 0.2 volts by VR102.
TP111 ETH (Optics Thermistor)
JP101 Key Counter (Cut this jumper wire when installing
the key counter on the machine.)
DF Main Board
NUMBER
TP1 Factory use
TP2 Factory use
TP3 GND
TP4 +5 volts
TP5 GND
TP6 +24 volts
FSM
FUNCTION
FUNCTION
4-25 A151/A152