Interface Specifications
Signal Return
Pin Pin
Signal Direction
O U T A b o u t a
LOW
indicates that data has been
received and that the printer is ready to
accept more data.
BUSY OUT A HIGH signal indicates that the printer
cannot receive data.
signal goes
in the following cases:
during data entry (ea. char. time)
when off
line
during a printer error state
during printing
OUT A HIGH signal indicates that the printer
is out of paper.
Pulled up to
volts through
ohm
resistance.
IN When this signal is LOW,
paper
is
automatically fed one line after printing.
level can be fixed to this by
turning on DIP switch
NC
Not used.
Logic ground level.
C H A S S I S
Printer’s chassis ground, which is
isolated from the logic ground.
NC
Not used.
Twisted-pair return signal ground level.
IN When this level becomes LOW, the
printer controller is reset to its power-up
state and the print buffer is cleared. This
level is
its pulse width
must be more man
microseconds at
the receiving terminal.
8-12
Technical Specifications
Summary of Contents for DFX 8000
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Page 3: ...EPSON D F X 8 0 0 0 User s Manual ...
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Page 344: ...top cover front cover paper separator cover ground conned or serial interface ...
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