Table of Contents
Advertisement
Signal
Return
Pin No.
Pin No.
Signal
Direction
Description
12
30
PE
Out
A "high" state of this signal indicates
that the paper end is near, or no paper is
present.
13
-
SLCT
Out
A "high" state of this signal indicates
that the printer is in a SELECT state.
14
-
AUTO
In
A "low" state of this signal causes the
*
FEEDXT
paper to automatically advance one line
after printing. (The signal level can be
fixed to "low" with DIP SW2-3 provid-
ed on the control circuit board.)
15
-
NC
-
Not used.
16
-
OV
-
Logic GND level.
17
-
CHASSIS-
-
Printer chassis GND. In the printer, the
GND
chassis GND and logic GND are con-
nected.
18
-
+5V
-
19-30
-
GND
-
"Twisted-Pair Return" signal: GND level.
31
-
INT
In
When the level of this signal becomes
"low" the printer controller is reset
to its initial state and the print buffer is
cleared. This signal is normally at "high"
level, and its pulse width must be more
than 1 /J.s at the receiving terminal.
After received this pulse it takes
5
seconds till next action.
Connector Pin Assignment and Descriptions of Interface Signals (Part 2 of 3)
Remarks:
*DIP SW3-3 must be set "OFF", and DIP SW3-4 must be set "ON".
-25-
Advertisement
Table of Contents
