User`s manual

Table F-3. Continued
Signal Return
Direc-
Pin Pin
Signal tion Description
18 -
NC Unused.
19-30 -
GND
Signal ground level for
twisted pair return.
31 16
lNlT IN
Dropping this signal to LOW
resets the printer to the
power-on state. Any data
that has been received bythe
printer but not printed is lost.
This signal is normally HIGH;
it must go LOW for at least 50
microseconds in order to
reset the printer.
If m is received during
printing, the reset will be
delayed until the current page
is printed.
32 - ERROR OUT
Normally HIGH, this signal
goes LOW to indicate any of
the following conditions:
paper jam, paper size error,
IC card error, cover open,
error in execution, user
service required, service call
required, toner low, or paper
out.
This signal is always HIGH
when the printer is off-line.
33 - GND
Signal ground level for
twisted pair return.
34 -
NC
Unused.
35 - +5v OUT
Pulled up to +5V through a
3.3k ohm resistor inside the
printer.
F-6
Parallel Interface