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Interface Specifications
Signal Pin
Direction Description
Return Pin
28
Signal
ACKNLG
10
About a 10-microsecond
pulse. LOW indicates data
has been received and
that the printer is ready to
accept more data. This
signal is output as a pair
with BUSY.
OUT
11
29
BUSY
OUT
A HIGH signal indicates
that the printer cannot
receive data. The signal
goes HIGH in the
following cases:
During data entry
(for each character)
When off line
During printer-error
state
12 30
PE
OUT A HIGH signal indicates
the printer is out of paper.
OUT
Pulled up to 5 volts
through 3.3 K ohm
resistance.
13
14
SLCTOUT
AUTOFEED
IN
When LOW, the paper is
automatically fed one line
after printing. (The signal
level can be fixed using
SelecType.) Sampling is
carried out when the
power is on or the printer
is initialized with the
control panel button.
15
NC
Technical Specifications
8-13