Homebrew PCBs

Hi All
Has anyone done or know if its possible to modify a Laser printer to print directly onto the PCB with Toner ?
or would a Regular Laser Beam Like those cheapo "Laser pointers" expose the Photoresist coating on a Presensitised PCB as I have a small XY table that would be suitable for such a CNC venture,  I was looking at Duponts website and they talk about a UV Argon Laser for LBI ...if the price was right it would be the ultimate Homebrew PCB'ers dream http://www.dupont.com/pcm/riston/laserseries.html

Regards
Thomas

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