Epson Stylus 800 Series, User Manual

Page: 71 / 102

The table below provides the connector pin assignments and describes
their respective interface signals.
1 STROBE
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 8
BUSY
AUTO
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
STROBE pulse to read data.
Pulse width must be more
than
microseconds at
the receiving terminal.
These signals represent
information of bits 1 to
to 8 of parallel
data, respectively.
Each signal is at HIGH
level when data is
logical 1 and LOW when
it is logical
About a 1 O-microsecond
pulse. LOW indicates that
data has been received and
that the
is ready
to accept more data.
A HIGH signal indicates the
printer cannot receive data.
The signal goes HIGH in the
following cases:
During data entry
(for each character)
During printing
During an error state
A HIGH signal indicates the
printer is in a paper-out
state or in an error state.
Pulled up to 5 through
resistance
When this signal is LOW, the
paper is automatically fed
one line after printing.
(The signal level can be
fixed to this by
Auto Line Feed to on in the
default-settings mode.)
A-8 Appendix