Olivetti D-COLOR P26 - Manual (Page 98)

Colour matching> 98
W
ATERMARKS
A watermark is typically faint text that is superimposed on a
printed document. This can used to indicate that the document is
“Draft”, or perhaps “Confidential”.
This feature is not available on Mac OS X. The illustration below
shows the Windows PostScript driver. The PCL driver is very
similar.
W INDOWS
The Watermarks Feature is found in the driver’s [Job Options]
tab. Click the [Watermarks] button.