same problema here, I upgraded to gutsy and now turboprint don't work my output to sudo /usr/lib/cups/backend/usb is: direct usb://Canon/MP530 "Canon MP530" "Canon MP530 USB #1" "MFG:Canon;CMD:BJL,BJRaster3,BSCCe;SOJ:TXT01;MDL:MP530;CLS:PRINTER;DES:Canon MP530;VER:1.05;STA:1...