Specifications

Interface
Parallel interface
The parallel interface connector pin assignments and a description of the
interface signals are shown in the table below.
Signal Return
Pin Pin
Signal Direction Description
1
19 FnzJEE
IN
-pulse to read data.
Pulse width must be at least
0.5 trs at the receiving
terminal.
2
20 DATA 1
IN
These signals represent
3
DATA 2 IN
parallel data bits 1 to 8,
4 ;:
DATA 3 IN
respectively. Each signal is at
5
23 DATA 4
IN
HIGH level when data is
6
24 DATA 5
IN
logical 1 and LOW when it is
7 25
DATA 6 IN
logical 0.
8 26 DATA 7
IN
9
27 DATA 8 IN
10
28 ?cKlm OUT
About a 1-1O-µs pulse width.
LOW indicates data has
been received and the
printer is ready to accept
more data. The timing from
BUSY signal can be changed
by SelecType.
11 29 BUSY
OUT
A HIGH signal indicates that
the printer cannot receive
data. The signal goes HIGH in
the following cases:
1. During printing
2. When off line
12 30 PE
13 - SLCT
OUT
OUT
3. During a printer-error state
A HIGH signal indicates the
printer is out of paper.
Pulled up to +5V through
3.3 kQ resistance.
A-6 Technical Spec@ations