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the
deselected
state to the selected. state.)
(b) This signal is also output altor the DC3 code
has
been received.
(e)
The
nonnal pulse width
is
71l5eC.
(d) This signal
is
normally
high.
When the condi-
tion becomes
"TRUE",
the
signal
level
be-
comes
low.
(e) The ACK signal is always output when the
level
of the
BUSY
signal changes (rom high to
low.
(5) BUSY
(a)
This
signal
is
an output signal
which
indicates
that the
printer
is
not
ready to accept
data
(that
is,
the
printer is busy).
(b) The level or this signal becomes
high
(printer
busy)
when:
1)
The prinler
enlers
the
''DATA BUFFER
FULL"
state.
2)
The
printer
enters the
deselected
state.
3)
The
printer
enters the "FAULT" slate.
4)
The INPlIT·PRIME signal is received.
(6) SELECT
In
the
level
of the received
signal remains high after
the
lapse
of a specified time interval, the
BUSY
signal is
cancelled.
(a) This signal is an output signal
which
indicat.es
that the
printer
is in the selected state or the
deselected stale. While the
printer
is in the
selected state, it
is ready
to
receive data.
While
the
printer
is in the
deselected
state, it can
accept
no data except
the
DCl
code.
(When
DIP
switch
pin
1·5 is
ON,
the DCl code
is
ignored.)
(b) The
level
or
this signal
becomes high
when the
printer
is placed
in
the selected state.
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