Epson Stylus PHOTO 2000P Service Manual page 151

EPSON Stylus PHOTO 2000P
Table 7-6. Connector Pin Assignment - CN9
Pin Signal Name
1 COC
2 GND
3 COB
4 GND
5 TH
6 NCHG
7 GND
8 SCK
9 GND
10 SP
11 SI6
12 SI5
13 SI4
14 SI3
15 SI1
16 SI0
17 GND
18 VDD3.3
19 RXD
20 SEL
21 TXD
APPENDIX
I/O Function
Color ink cartridge
I
detection
- Ground
I Black ink cartridge detection
- Ground
I Head temperature detection
O Head NCHG
- Ground
O Clock
- Ground
O SP signal
O Head data
O Head data
O Head data
O Head data
O Head data
O Head data
- Ground
- +3.3V
O CSIC input
I Command selectionš
I CSIC output
Connector Summary
Table 7-7. Connector Pin Assignment - CN10
Pin Signal Name I/O
+42V from the power
1 +42V -
supply board
+42V from the power
2 +42V -
supply board
3 GND - Ground
4 ESAVE O Energy save mode
5 PSC O Secondary power on/off
6 GND - Ground
7 GND - Ground
8 +5V - +5V supply
Table 7-8. Connector Pin Assignment - CN11
1 SW2 I Switch signal input
2 SW0 I Switch signal input
3 PSC I Power switch signal input
4 SW1 I Switch signal input
5 LED3 O LED output
6 +5V - +5V
7 +5V - +5V
8 LED2 O LED output
9 GND - Ground
10 LED1 O LED output
11 SW3 I Switch signal input
12 LED0 O LED output
Revision A
Function
151