Service manual

178
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
3.10.8. CST3 PC Board
CN800
CN801
CST3 PCB
Pin No.
Signal Name Destination Signal Waveform Function
CN800-1 PCHK3 No Paper Sensor
-1
3rd Paper Tray Paper
Detection Signal
CN800-2 GND No Paper Sensor
-2
Ground
CN800-3 LDPHK3 No Paper Sensor
-3
Photo Sensor DC Drive
Voltage
CN800-4 UPLIMIT3 Upper Limit
Sensor
-1
3rd Paper Tray Paper Level
Signal
CN800-5 GND Upper Limit
Sensor
-2
Ground
CN800-6 LDUPL3 Upper Limit
Sensor
-3
Photo Sensor DC Drive
Voltage
CST3 PCB
Pin No.
Signal Name Destination Signal Waveform Function
CN801-1 CST3 3rd Tray
Detection Sensor
-1
3rd Paper Tray Detection
Signal
CN801-2 GND 3rd Tray
Detection Sensor
-2
Ground
CN801-3 LDCST3 3rd Tray
Detection Sensor
-3
Photo Sensor DC Drive
Voltage
+5V
0V
0V
+1.2V
+5V
0V
0V
+1.2V
+5V
0V
0V
+1.2V