Canon BJC 50 Service Manual - Page 175

Canon BJC 50 - Color Inkjet Printer Manual

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BJC-50 CNOP1 (Optional ASF and Connector) Pin No. 1 2 3 4 5 6 7 8 Signal name OP-VH OP-Vcc1 RXD0 TXD0 SCLK0 +5.0V (Vcc3) OP-ON GND IN/OUT OUT OUT IN/OUT IN/OUT IN IN Description Motor drive (24V power supply) Microcomputer drive (5V power supply) Serial data receiver Serial data transmitter Paper end sensor read signal Power on/off drive control signal Part 5: Maintenance CNSEN1 (Home Position Sensor/Paper End Sensor Connectors) Pin No. 1 2 3 4 5 6 7 Signal name PES +5.0V (Vcc1) GND HPS +5.0V (Vcc3) RTC (Vdd) GND IN/OUT Description OUT Paper end sensor sensing signal OUT Home position sensor sensing signal Timer IC drive signal CNSEN2 (Paper Delivery Sensor Connectors) Pin No. 1 2 3 Signal name +5.0V (Vcc3) FIRRXD +5.0V (Vcc3) IN/OUT Description OUT Delivery sensor sensing signal 5-35

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CNOP1 (Optional ASF and Connector)
CNSEN1 (Home Position Sensor/Paper End Sensor Connectors)
CNSEN2 (Paper Delivery Sensor Connectors)
5-35
BJC-50
Part 5: Maintenance
Pin No.
1
2
3
4
5
6
7
8
Signal name
OP-VH
OP-Vcc1
RXD0
TXD0
SCLK0
+5.0V (Vcc3)
OP-ON
GND
IN/OUT
OUT
OUT
IN/OUT
IN/OUT
IN
IN
Description
Motor drive (24V power supply)
Microcomputer drive (5V power supply)
Serial data receiver
Serial data transmitter
Paper end sensor read signal
Power on/off drive control signal
Pin No.
1
2
3
4
5
6
7
Signal name
PES
+5.0V (Vcc1)
GND
HPS
+5.0V (Vcc3)
RTC (Vdd)
GND
IN/OUT
OUT
OUT
Description
Paper end sensor sensing signal
Home position sensor sensing signal
Timer IC drive signal
Pin No.
1
2
3
Signal name
+5.0V (Vcc3)
FIRRXD
+5.0V (Vcc3)
IN/OUT
OUT
Description
Delivery sensor sensing signal