The video after the jump shows how you can take a regular printer cartridge and fill it with ink that glows in the dark. All the parts you need can be purchased from regular stores and the process takes just a few easy steps to complete. The image above was printed on to regular paper, charged under a light for a minute and then the light switched off.
How Make Glowing Printer Ink - video powered by Metacafe
I wonder if this process can be adapted for a laser printer. Probably not due to how the toner works and needs to be heated etc... but if anyone has a spare almost dead laser printer kicking around then it could be worth a shot.
Via: TechEBlog