Epson LQ-2170 - Page 136

Pin
Signal
no. name
GND
In/Out Description
13
SLCT
28
Out
Always HIGH when the printer
is on.
14
AFXT 30
In
Not used.
31
INIT
30
In
Set LOW to initialize the printer.
32
ERROR
29
Out
This signal is LOW when the
Printer is in an error state.
36
SLIN 30
In
Not used.
18
Logic H
-
Out
This line is pulled up to +5V
through 3.9 k resistance.
35
+5V
-
Out This line is pulled up to +5V
through 3.3 k resistance.
17
Chassis
-
-
Chassis GND.
16,33,
GND.
- -
signal GND
19-30
15,34
NC
-
Not connected.
* In/Out shows the direction of signal flow as viewed from the printer.
Parallel interface (reverse channel.
Transmission mode:
Adaptable connector:
Synchronization:
Handshaking:
Signal level:
Data transmission
timing:
IEEE-P1284 nibble mode
57-30360 (Amphenol) or equivalent
Refer to the IEEE-P1284 specification
Refer to the IEEE-P1284 specification
IEEE-P1284 level 1 device
Refer to the IEEE/P1284 specification
A-14
Specifications, Command Summary, and Character Tables