Epson Stylus Color 1520

Appendix
Rev. A
A-
5
Pin No. I/O Signal Name Description
1 I BCO Cartridge sensor signal
2

GND Ground
3

GND Ground
4 O BLAT Latch signal
5

GND Ground
6 O BSI 2 Data
7

GND Ground
8 O BSI 1 Data
9

GND Ground
10 O BHCLK Clock signal
11

GND Ground
12 O BHNCHG NCHG signal
13

GND Ground
14

+ 5 Power source
15

GND Ground
16

GND Ground
17

GND Ground
18 O COM Common output
19 O COM Common output
20 O COM Common output
21

VHPR Drive voltage
22

VHPR Drive voltage
Pin No. I/O Signal Name Description
1 O A Phase A output
2 O / A Phase / A output
3 O B Phase B output
4 O / B Phase / B output
5

+42 Drive signal
Pin No. I/O Signal Name Description
1 O A Phase A output
2 O B Phase B output
3 O / A Phase / A output
4 O / B Phase / B output
Table A-11. Connector Pin Assignment (CN13)
Table A-12. Connector Pin Assignment (CN14)
Table A-13. Connector Pin Assignment (CN15)