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Centronics Parameters
83
ACK Polarity
Values: Standard (default) or Inverted.
This parameter must be set to match the ACK signal polarity of your
host computer.
The printer sends a low-true signal called ACK (acknowledge) to
the host to indicate that it has received a data byte from the host
and is ready to accept more data.
Busy Polarity
Values: Standard (default) or Inverted.
This parameter must be set to match the Busy signal polarity of
your host computer.
When the printer is busy and is not ready to receive more data, it
sends a Busy signal to the host computer.
Slct (Select) Polarity
Values: Standard (default) or Inverted.
This parameter must be set to match the Select signal polarity of
your host computer.
The high-true signal Select is sent by the printer to the host
computer. The Select signal indicates the printer is online and no
error conditions exist and that the printer is ready to receive data.
Fault Polarity
Values: Standard (default) or Inverted.
This parameter must be set to match the Fault signal polarity of
your host computer.
When the printer detects a paper error or a fatal machine check, it
sends a Fault signal to the host, which in turn stops sending any
more data.