Operation Manual

The following options are
used
when
the parallel interface is
selected.
1-Prime: Buffer
print-
when
this signal is received, the
printer
is initialised after the buffer
data
is printed. Buffer clear
-the
printer is initialised after the current line has been printed.
Invalid-
This signal is ignored.
Pin
18: This
pin
supplies
SV
or
zero volts
as
required
by
external
device
when
connected
to
interface.
Auto
Feed
XT:
There is normally
no
Line Feed after a Carriage
Return if the Auto Line Feed is set to
NO. However, in the Epson
emulation, if the Auto Line Feed is set to
NO
and
the
Auto
Feed
XT
is
set
to
valid, a Line Feed is executed
upon
an
Auto
Feed signal
on
pin
14
of the parallel interface. This exception
may
be
necessary for
some
hardware/software
combinations.
The following options are
used
only
if the serial interface is
selected (see
Appendix
C for details).
Parity: Selects parity.
Serial
Data
7-
or
8- Bits: Selects
data
format.
When
the Serial Data
7-
or
8- Bits is
set
to
7,
the Parity
must
be
set
to either ODD
or
EVEN.
7-
Bit Serial Data will
not
be
printed
correctly
if
the Parity
is
set
to NONE. ยท
Protocol:
Selects interface protocol.
Diagnostic Test: Activates the
printer's
interface diagnostic test.
Busy Line: Selects line used for
busy
signal.
Baud
Rate: Selects
data
transmission speed.
2-
16
Operation