Epson ActionLaser 1100 User Manual - Page 58

Inferface, A-6 Technical Specifications

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Inferface The parallel interface connector pin assignments and a description of the interface signals are shown in the table below. Signal Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Return Pin 19 20 21 22 23 24 25 26 27 28 29 30 - - - - - Signal STROBE Direction IN DATA 1 IN DATA 2 IN DATA 3 IN DATA 4 IN DATA 5 IN DATA 6 IN DATA 7 IN DATA 8 IN ACKNLG OUT BUSY OUT PE SLCT AUTO FEED NC GND CHASSIS GND NC OUT OUT IN - - - - Description STROBE pulse to read data. Pulse width must be at least 0.5 µs at the receiving terminal. These signals represent parallel data bits 1 to 8, respectively. Each signal is at HIGH level when data is logical 1 and LOW when it is logical 0. About a 1-10-µs pulse width. LOW indicates data has been received and the printer is ready to accept more data. A HIGH signal indicates that the printer cannot receive data. The signal goes HIGH in the following cases. 1. During printing 2. During a printer-error state A HIGH signal indicates the printer is out of paper Pulled up to +5v through 3.3 resistance. Not used Not used Logic ground level Printer's chassis ground, which is connected to the signal ground. Not used A-6 Technical Specifications

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Inferface
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
STROBE
IN
STROBE pulse to read data.
Pulse width must be at least
0.5 μs at the receiving
terminal.
2
20
DATA 1
IN
These signals represent
3
21
DATA 2
IN
parallel data bits 1 to 8,
4
22
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
ACKNLG
OUT
About a 1-10-μs pulse width.
LOW indicates data has
been received and the
printer is ready to accept
more data.
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. During a printer-error state
12
30
PE
OUT
A HIGH signal indicates the
printer is out of paper
13
—
SLCT
OUT
Pulled up to +5v through
3.3
resistance.
14
—
AUTO
IN
Not used
FEED
15
—
NC
—
Not used
16
—
GND
—
Logic ground level
17
CHASSIS
—
Printer's chassis ground,
GND
which is connected to the
signal ground.
18
—
NC
—
Not used
A-6 Technical Specifications