I had my Mac's Epson Colour 777i shared with DAVE 3.1 to my XP machine.
When I printed something from XP it would print, and then print an infinate amount of copies. The only way I found to stop it was to sudo rm "Dave Spool Folder" heh. Not even restarting (anything: printer, iMac, XP) fixed it!
iMac TFT 700MHz G4, 786 RAM, 40GB Internal
USB 64MB Flash Drive
Wacom Graphire2 Tablet
Epson 777i Colour Printer
Canon PowerShot S30 Digital Camera
JVC GR-DVF21 NTSC MiniDV Camera
Canon EOS Elan II (35mm)
"Like a beautiful flower full of colour and also fragrant, even so, fruitful are the fair words of one who practices them."
--54th Surtra, The Dhammapada