Apple LaserWriter 12/640 PS - Manual (Page 241)

m Error Handler Tells the driver to send a special PostScript error handler with
every document you print. The error handler prints a page with a
PostScript error message when a document fails to print correctly. You can
use this option as an aid in troubleshooting print job problems.
m Font Control This advanced feature tells the driver not to download fonts
when printing documents. Use this option if you know that the fonts you
use in your documents are always available to the printer.
Watermark
Click the Watermark tab to display the Watermark tab dialog box, which
contains options for defining, editing, and deleting watermarks.
m Select a Watermark Lists available watermark definitions, which can be
selected and edited or deleted.
m Edit Displays the Edit Watermark dialog box, summarized below.
m Add Displays the Add Watermark dialog box, which has the same features
as the Edit Watermark dialog box, summarized below.
m Delete Deletes the selected watermark definition.
m Display area A bitmap area that displays a portrait image of what the page
will look like when printed.
216 Chapter 7