Parallel Interface - Epson DFX-5000+ User Manual

lnferface Specifications
This printer is equipped with both a parallel and a serial interface.

Parallel interface

Connector pin assignments and a description of their respective interface
signals are shown in the table on the following pages.
Return
Signal
Pin Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Signal
19 STROBE
20 DATA 1
21 DATA 2
DATA 3
22
23 DATA 4
24 DATA 5
25 DATA 6
26 DATA 7
27 DATA 8
28 ACKNLG
29 BUSY
30 PE
- SLCT
Direction Description
IN STROBE pulse to read data.
Pulse width must be more
than 0.5 µs at the receiving
terminal.
These signals represent
IN
Information in bits 1 to 8 of
IN
IN parallel data respectively.
Each signal is at HIGH level
IN
IN when data is logical 1 and
IN LOW when it is logical 0.
IN
IN
OUT About an 11- µs
indicates that data has been
received and that the printer
is ready to accept more
data.
A HIGH signal indicates the
OUT
printer cannot receive data.
The signal goes HIGH in the
following cases:
1) During data entry (for each
character)
2) During printing
3) When the PAUSE button is
pressed
4) During an error state
OUT A HIGH signal indicates that
the printer is out of paper.
Always HIGH
OUT
Technical Specifications A-11
pulse. LOW