User`s guide

Pin
Signal name
no.
GND
In/Out*
Description
36
1284-Active
30 In 1284 active signal.
18
Logic-H
-
Out
A high signal indicates that all other
signals sourced by the peripheral
are in a valid state.
35
+5V
-
Out
This line is pulled up to +5 V through
3.3 k resistor.
17
Chassis
-
-
Chassis GND.
16,33
GND
-
- Signal GND.
19-30
15,34
NC
-
-
Not connected.
* In/Out shows the direction of signal flow from the printer’s point of view
A-16 Specifications, Command Summary, and Character Tables