Re: More info on my HP Scanjet IIp prob.

From: Ben Laurie (ben@algroup.co.uk)
Date: Sat Jan 15 2000 - 06:06:01 PST

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    Peter Kirchgessner wrote:
    >
    > Hello Nicholas,
    >
    > it seems that the scanner does not respond to some of the very first
    > inquire commands. It recognized as an HP scanner because otherwise it
    > would have failed earlier.
    > Maybe it is a timing problem.

    This doesn't seem quite right coz...

    > > [hp] scsi_inquire: sending INQUIRE
    > > [hp] scsi_new: sending TEST_UNIT_READY
    > > [hp] scsi_flush: writing 2 bytes:
    > > 0x0000 1B 45 .E
    > > [hp] scsi_flush: writing 7 bytes:
    > > 0x0000 1B 2A 73 32 35 37 45 .*s257E
    > > [hp] scsi_read: 0 bytes:
    > > [hp] scl_inq: malformed response: expected 's257d', got ''

    Here it appears to test for the version, and gets s257E instead of
    s257d, and then...

    > > [hp] scl_errcheck: Can't read SCL error stack: Error during device I/O
    > > [hp] sanei_hp_device_new: SCL reset failed

    erroneously goes on to treat it as a SCSI error.

    Cheers,

    Ben. 

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