INTERFACE INFORMATION
Pin
No. Return
Pin No. Signal Name Direction Description
13 Output
Select
(SLCT)
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 µs,
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
User's Manual D-3