[ubuntu] USB Printer and Scanner problems

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http://ubuntuforums.org – Hi I'm having fun with an old printer and scanner. Whatever the problem is, it seems to manifest itself differently every time. Unfortunately I need to ask for help with the diagnosis as I am unfamiliar with linux. I have a usb scanner, Benq/Acer Scan to Web 4300 (listed as supported by sane). With an 'out the box' install of ubuntu onto a fresh hard disk, the scanner was detected and worked with no problems. The printer is a HP Deskjet 690c. Because it connect via the parallel port and my new motherboard doesn't have a back panel parallel port connector (Hardware)