HP DesignJet 500 - Manual (Page 182)

Media & Ink Introduction Front-Panel Other Index Solutions
Printer
Options
Page Format Image Appearance
Page Size in the Front-
Panel
Print Management Printer Configuration
Printing a Mirror Image
If you are using clear imaging paper, sometimes called
backlit, you may want to print a mirror image of your
print, so that when the paper is lit from behind it is in
the correct orientation. This can be done from the front-
panel, without changing the image in your software.
Mirror Off Mirror On