User's Manual

INTERFACE INFORMATION
User's Manual D-3
Pin
No.
Return
Pin No.
Signal Name Direction Description
13

Select
(SLCT)
Output This signal is high when
the printer is online.
14

Auto Feed
XT
Input Not used
15
  
No connection
16

Signal
Ground

Logic ground level (0 V)
17

Frame
Ground

Printer chassis ground line.
FG and SG are connected.
18

+5 V Output +5 V source (up to 300
mA)
19-
30

Signal
Ground

Twisted pair return lines
31

Input Prime
(INPRM)
If this signal is low for
more (INPRM) than 50 s,
the printer is reset to the
initial condition and is
placed online.
32

Fault Output This signal is low when
the printer is offline, paper
is out, or when there is a
printer error.
33

Signal
Ground

Logic ground level (0 V)
34
  
No connection
35

+5 VR Output Pulled up to +5 V through
a 3.3 k resistor
36

SLCT-IN Input Not used