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EPSON Stylus Photo 700/EX Service Manual
Appendix
Rev. A
A-
2
Table A-2. Connector Pin Assignment - CN8
Pin Signal Name I/O Fucntion
1 SI3 O Head data output (3)
2 GND - Ground
3 CLK O Head data transfer clock signal
4 GND - Ground
5 LAT O Head data latch pulse
6 GND - Ground
7 VDD - +5V
8-10 GND2 - Ground
11-13 COM O Head drive voltage
14-15 VHV - +42V
Table A-3. Connector Pin Assignment - CN9
Pin Signal Name I/O Fucntion
1 GND - Ground
2 SI2 O Head data output (2)
3 GND - Ground
4 SI1 O Head data output (1)
5 GND - Ground
6 NCHG3 O Head drive record control signal
7 GND - Ground
8 NCHG2 O Head drive record control signal
9 GND - Ground
10 NCHG O Head all on pulse signal
11 GND - Ground
12 RESET O Drive record reset signal
13 COBC I Black ink cartridge detect singal
H: No cartridge / L: Cartridge exist
14 COPC I Color ink cartridge detect signal
H: No cartridge / L: Cartridge exist
15 THM I Thermistor output signal