[64 bit] Can't print to Mac-hosted HP printer

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http://ubuntuforums.org – I have been unable to print to an HP Deskjet D2660 that I have connected to my Mac ever since I started using the 64 bit Ubuntu (starting with Natty, IIRC). Previously, this printer worked just fine with 32 bit Ubuntu versions. The Mac is running OS X 10.7.5 'Lion' and the current HP drivers from Apple are installed. Printing from the Mac works OK, but the only way I have to print from Linux is to either: (a) move the document to the Mac, and hope there's a compatible app to open and print it with; or (b) print to PDF in Linux, move the PDF to the Mac, open in Acrobat or Preview and print. H (Hardware)