C+4 DRIVER OF CENTRONICS EPSON DOT MATRIX PRINTER CONNECTED THROUGH USER PORT

CABLE DESCRIPTION

User Port	C+4 Chips' pins	Centronics
A	Mass	16
B	P0	2
K	P1	3
4	P2	4
5	P3	5
6	P4	6
7	P5	7
J	P6	8
F	P7	9
H	DCD	11 (BUSY)
D	RTS	1 (-STROBE)

USER PORT

This picture and pieces of the code of the driver is taken from the book "Alles Uber den PLUS 4".