Utax PF 320, Service Manual

Page: 43 / 47

3NY
2-3-2
Connector Pin Signal I/O Voltage Description
YC1 1 +3.3V2 - 3.3 V DC 3.3 V DC power output to PFS
Connected to
the PF paper
fed sensor 2 GND - - Ground
3 OUT I 0/3.3 V DC PFPFS: On/Off
YC2 1 PAPSIZ0 I 0/3.3 V DC PFCSSW0: On/Off
Connected to
the PF cas-
sette size
switch 2 PAPSIZ1 I 0/3.3 V DC PFCSSW1: On/Off
3 GND - - Ground
4 PAPSIZ2 I 0/3.3 V DC PFCSSW2: On/Off
YC3 1 +24V1 O 24 V DC 24 V DC power source
Connected to
the printer oy
the upper
paper feeder 2 OPSDO O 0/3.3 V DC(pulse) Synchronous serial receiving data
3 OPSDI O 0/3.3 V DC(pulse) Synchronous serial send data
4 OPSCLK O 0/3.3 V DC(pulse) Synchronous serial clock signal
5 OPRDYN - 0/3.3 V DC SPI ready signal
6 +3.3V1 - 3.3 V DC 3.3 V DC power source
7 GND - - Ground
8 OPSEL2 - 0/3.3 V DC SPI_SEL 2
9 OPSEL1 I 0/3.3 V DC SPI_SEL 1
10 OPSEL0 I 0/3.3 V DC SPI_SEL 0
11 OPPAUSEN O 0/3.3 V DC PF operation stop signal
12 GND I - Ground
YC4 1 +24V1 - 24 V DC 24 V DC power source
Connected to
the lower
paper feeder 2 OPSDO O 0/3.3 V DC(pulse) Synchronous serial receiving data
3 OPSDI I 0/3.3 V DC(pulse) Synchronous serial send data
4 OPSCLK O 0/3.3 V DC(pulse) Synchronous serial clock signal
5 OPRDYN I 0/3.3 V DC SPI ready signal
6 +3.3V1 - 3.3 V DC 3.3 V DC power source
7 GND - - Ground
8 OPSEL2 O 0/3.3 V DC SPI_SEL 2
9 OPSEL1 O 0/3.3 V DC SPI_SEL 1
10 OPSEL0 O 0/3.3 V DC SPI_SEL 0
11 OPPAUSEN O 0/3.3 V DC PF operation stop signal
12 GND - - Ground