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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 kΩ resistor
36
−
SLCT-IN Input Not used
User's Manual D-3