Table A-3. Connector Pin Assignments — CN2
Pin
I/O
Name
Description
1
I
DTR
Data terminal ready signal
2
O
TXD-
Transmit data signal
3
—
GND
Signal Ground
4
I
RXD-
Receive data signal
5
O
TXD+
Transmit data signal
6
I
RXD+
Receive data signal
Table A-4. Connector Pin Assignments — CN3
Pin
I/O
Name
Description
1
O
CR-A
Carriage motor drive phase A
2
O
CR-/A
Carriage motor drive phase /A
3
O
CR-B
Carriage motor drive phase B
4
O
CR-/B
Carriage motor drive phase /B
Table A-5. Connector Pin Assignments — CN4
Pin
I/O
Name
Description
1
—
FG
Frame ground
2
—
VDD
+5VDC
3
I
CO
Cartridge In/Out sensor
4.6.8
—
GND
Ground
5
O
HCLK
Head clock signal
7
O
LATCH
Head latch signal
9
O
SI
Serial data signal
10
I
ID4
Head ID signal
11.12
—
GND2
Ground (for head control voltage)
13.14
O
COM
Head voltage
15
I
ID1
Head ID signal
16
I
ID2
ID code (Vh level auto-selection)
17
I
ID3
ID code (Vh level auto-selection)
18
I
TH
Thermister alalog data
19
I
M/C
Black or Color detection sensor
Epson Stylus Color 200/Epson Stylus 200
Appendix
Rev. A
A-3
