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Troubleshooting a Scanner

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    Troubleshooting a Scanner

    OK, since there's no sub-forum for imaging devices I'll toss this one in here.

    The scanner is a UMAX 1200S which is an 8.5 x 14", SCSI unit that I bought new about a dozen or so years ago. With no apparent provocation it has ceased to give the scanned image and in its place it gives the attached image.

    It does not matter what is on the platen, it just gives the same thing.

    So, with caps being the hot topic I changed out all of them (main board and "scan head") for good quality replacements from Digikey and....no change. Swapped out the wall wart, same thing. I'm guessing something in the communication between the scan head and the main board but don't have an idea where to start.

    Any ideas?

    Thanks,

    C152Heavy
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    #2
    Re: Troubleshooting a Scanner

    I have seen this problem before I think I unplugged the imaging tube and cleaned the connections with electronic cleaner let dry and after 3 or 4 trys it started to work

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