Filter
Top Products
Interface Specifications
The LQ is equipped with both a parallel and a serial interface.
8
Do not plug more than one interface cable into the printer
at one time. This may damage your printer.
Parallel interface
Connector pin assignments and a description of their respective
interface signals are shown in the following table.
Signal
Return
Pin
Pin
Signal
Direction
Description
1
19
STROBE
IN
STROBE
pulse
to
read
data.
Pulse
width
must
be
more
than
0.5
microseconds
at
the
receiving
terminal.
:
20
DATA
1
IN
These
signals
represent
information
22:
DATA
2 IN
of
the
1st
of
8th
bits
of
parallel
4
DATA
3
IN
data,
respectively.
Each
signal
is
at
:
2
DATA
4
IN
HIGH
level
when
data
is
logical
1
DATA
5
IN
and
LOW
when
it
is
logical
0.
ii
25
DATA
6
2
DATA
7
IFi
9
DATA
8
IN
10
28
ACKNLG
OUT
About
an
1
1
microsecond
pulse.
LOW
indicates
that
data
has
been
received
and
that
the
printer
is
ready
to
accept
more
data.
11
29
BUSY
OUT
A
HIGH
signal
indicates
that
the
printer
cannot
receive
data.
The
signal
goes
HIGH
in
the
following
cases:
1)
During
data
entry
(ea.
char.
4)
During
printer-error
state