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Chapter 4
HOST INTERFACE
PI Ignored
The PI (Paper Instruction) signal is used to control vertical paper
motion.
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Data Polarity
The Data Polarity parameter must be set to match the data polarity
of your host computer.
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Resp. Polarity
The Response Polarity parameter must be set to match the
response polarity of your host computer.
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Latch Data On
Specifies whether the data is read on the leading, middle, or trailing
edge of the data strobe signal. The default is Middle.
Prime Signal
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Enable (default). Causes the printer to interpret the eight data
lines as DVFU commands when the PI signal is true.
Disable. Ignores the PI signal and treats the data as characters
or control codes.
Standard (default). Does not expect the host computer to invert
the data.
Inverted. Expects the data received on the data lines from the
host computer to be inverted. Ones become zeros, and zeros
become ones.
Standard (default). Does not invert the response signal.
Inverted. Inverts the response signal sent to the host
computer.
Disable (default). The parallel port will not perform a warm start
(reboot) if the host asserts the prime signal.
Enable. The parallel port will perform a warm start (reboot) if
the host asserts the prime signal.
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