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The following list describes the XDC contents that are
accessible from XDC Editor. These categories correspond to tabs
in the XDC Editor panel:
- Trays
- (PCL and PostScript printers only) You can add or modify
input trays in this panel. In addition, you can easily map input
trays to different media. You can specify the input and output trays
that are available on the printer that is independent of the media
types. You can then map input trays to different media types.
- Fonts
- A definition of the fonts that are residing on the printer.
Administrators add and remove fonts to match those fonts that are
installed on a target printer. When an administrator adds fonts,
XDC Editor adds the font metrics and other characteristics to the
XDC file.
- Printer capabilities
- Printer features, such as duplex printing and PDL language level.
Most of these options depend on the type of PDL indicated by the
XDC file.
- Sequences
- PDL sequences are short PDL sequences that Output injects
into the PDL syntax that is sent to the printer at specific points
in the print job such as at the beginning of a page or a record.
- Mediums
- Media types (paper types) that are available on the printer.
Typically, form authors add the mediums to determine the type of
paper that the forms must be printed on.
Using Designer,
a form author specifies the media type that each page in the form
is printed on. When a form is printed, it uses the XDC file for
the printer to associate the media type for a page with a specific
input tray. It also uses the XDC file to determine the printer-specific
commands to select the input and output trays. Output incorporates
these commands into the setup instructions it sends to the printer.
Designer
and Output use font metrics for these purposes:
Designer
uses font metric data to find substitute fonts so that it can display forms
for which it lacks fonts specified in the form. A font may be unavailable for
many reasons. For example, some fonts such as magnetic ink character recognition
(MICR) fonts are installed only on the printer. Some fonts may be too
expensive to be installed on every computer hosting Designer.
Output
uses the font metric data to determine the placement of characters
on the page.
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