Firewire Support for EPSON Scanners

From: Karl Heinz Kremer (khk@khk.net)
Date: Thu Dec 28 2000 - 14:54:50 PST

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    Good news for both the SANE and the Linux1394 project:
    The EPSON scanners with Firewire (IEEE-1394) interface
    are now supported in a Linux environment using the SANE
    software.

    The IEEE-1394 interface is as easy to use as USB, but
    a lot faster (up to 400MBit/s). This makes it interesting
    for users who need a fast scan, but don't want to deal with
    all the problems associated with SCSI interfaces.

    Behind the scenes the scanner uses the SBP-2 protocol, which
    is basically just a wrapper around the SCSI commands.

    In order to get the scanner interface working, I had to modify
    the SBP-2 driver so that it would handle a non-storage device
    correctly. The EPSON scanners are therefore now the first non-
    storage devices that are supported by the SBP-2 driver.

    The instructions about how to get things working can be
    found at http://www.freecolormanagment.com/sane/ieee1394.html

    Please let me know if you run into any problems.

    Thanks to James Goodwin for his valuable tips about where to
    look for potential problems in the SBP-2 driver and to EPSON
    for providing the interface card.

    Karl Heinz



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