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126
DP-1510P/1810P
/1810F/2010E
JUL 2002
Edition 1.0
2.18. CST4 PC Board
CN771
CST4 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN771-1
nPCHK2
Paper Detect
Sensor-1
2nd Paper Tray Paper
Detection Signal
L: Detect
CN771-2
GND
Paper Detect
Sensor-2
Ground
CN771-3
LDSP2
Paper Detect
Sensor-3
Photo Sensor DC Drive
Voltage
CN771-4
nUPLMT2
Upper Limit
Sensor-1
2nd Paper Tray Paper Level
Signal
L: Detect
CN771-5
GND
Upper Limit
Sensor-2
Ground
CN771-6
LDUPL2
Upper Limit
Sensor-3
Photo Sensor DC Drive
Voltage
CN771-7
nFDPCHK2
Paper Feed
Sensor-1
2nd Paper Tray Paper
Registration Detection
Signal
L: Detect
CN771-8
GND
Paper Feed
Sensor-2
Ground
CN771-9
LDFPCHK2
Ppaper Feed
Sensor-3
Photo Sensor DC Drive
Voltage
CN771-10 N.C.
Not Used
+5V
0V
0V
+1.5V
+5V
0V
0V
+1.5V
+5V
0V
0V
+1.5V