EPSON Stylus COLOR 3000

Table A-16. Connector Pin Assignment (CN18)

Pin No.

I/O

Signal Name

Description

 

 

 

 

1

⎯

CCO

⎯

2

I

THS

Thermistor signal

3

⎯

GND

Ground

4

O

CHLAT

Latch signal

5

⎯

GND

Ground

6

O

CHDATA

Cyan data

7

⎯

GND

Ground

8

O

MHDATA

Magenta data

9

⎯

GND

Ground

10

O

YHDATA

Yellow data

11

⎯

GND

Ground

12

O

CHCLK

Clock signal

13

⎯

GND

Ground

14

O

CHNCHG

NCHG signal

15

⎯

GND

Ground

16

⎯

+ 5

Power source

17

⎯

GND

Ground

18

⎯

GND

Ground

19

⎯

GND

Ground

20

O

COM

Common output

21

O

COM

Common output

22

O

COM

Common output

23

⎯

VHPR

Drive voltage

24

⎯

VHPR

Drive voltage

Table A-17. Connector Pin Assignment (CN20)

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

A-6

Rev. A