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Using the PCL Driver
Chapter 3: Printing ❖ 3-21
Overlays
A Page Overlay is a partial document that the driver can
merge with your print job, producing a printed image that
includes elements of both the overlay and your
document. Overlays are most useful for creating such
things as company letterhead. You can create the
letterhead in your application as a page overlay, then
download it and store it in the printer. Whenever you
want to print a document with the overlay, you just send
the print job to the printer with the Overlay command,
and the printer will automatically print the letterhead on
each page of your document. Page overlays eliminate the
need to download the same information more than once,
thus saving transmission time. However, they do use up
printer memory or disk space.
An overlay differs from a watermark in these respects:
• An overlay can contain graphics and text in any
number of fonts in any number of sizes and colors. A
watermark can contain only text of one font, one size
and one color.
• An overlay is usually on the margins of a page, while a
watermark is usually in the middle of a page.
• An overlay usually will not obscure any part of the
document, but a watermark usually will.
• An overlay uses space on the printer's hard disk, but a
watermark does not.