Interface Specifications; Parallel Interface - Epson PRO Reference Manual

Interface Specifications

Your printer is equipped with an 8-bit parallel interface and a serial
interface.

Parallel Interface

Data format:
Synchronization:
Handshake timing:
Signal level:
Connector:
Pin assignments
Signal Return
pin pin
1
2
3
4
5
6
7
8
9
10
8-bit parallel, IEEE P1284 mode compatible
STROBE pulse
BUSY and ACKNLG signals
TTL compatible
36-pin, Centronics compatible
Signal
19 STROBE
20 DATA 1
21 DATA 2
22 DATA 3
23 DATA 4
24 DATA 5
25 DATA 6
26 DATA 7
27 DATA 8
28 ACKNLG
Direction Description
IN STROBE pulse to read data.
IN These signals represent
IN information in bits 0 to 7 of
IN parallel data respectively.
IN Each signal is at HIGH level
IN when data is logical 1 and
IN LOW when it is logical 0.
IN
IN
OUT About a 5- s pulse. LOW
indicates data has been
received and the printer is
ready to accept more data.
Technical Specifications
B-9