User`s guide

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Parallel Interface
This group contains all of the selectable items pertaining to the
parallel interface. These are: Enable Interface, Printer Type, and
Bidirectional Mode.
The parallel interface can be used to increase performance when
your printouts contain large amounts of graphic data or if you
frequently download soft fonts to the printer. A parallel
interface is faster than a serial interface, but the cable length
from the printer to the computer is limited to 10 feet (3 m).
Enable Interface The parallel interface may be independently enabled or disabled,
or can be set up to understand a specific command language.
The interface is enabled (*On) when you receive your printer.
2-18 Using the Control Panel