Thanks for the reply.
Dumb question: What is a self-powered USB hub?
ron

-----Original Message-----
From: PCBUILD - Personal Computer Hardware discussion List
[mailto:[log in to unmask]] On Behalf Of Anthony Garvey
Sent: Tuesday, November 12, 2002 1:14 PM
To: [log in to unmask]
Subject: Re: [PCBUILD] Epson 636U scanner not working.


Hello Ron,  It could be totally unrelated but it sure sounds like
similar problems with had with several HP 5200 scanners.  The scanners
had been working just fine on USB and then one by one just stopped
working.  It was about the time we upgraded the OS to W2000 so we were
thrown off thinking it was a driver problem.  HP was of very little help
(even though I suspect
they knew what the problem was.)   We couldn't load the drivers
properly, if
the drivers did load properly the scanners didn't work through the USB,
but the drivers loaded fine and the scanners worked fine when we tried
parallel...   Just before giving up and tossing them we thought maybe
there
might be a weak USB power problem... and so it was - we hooked each of
them to their own self-powered USB hub and all began to work flawlessly
once again.  Worth a try.  HTH, Anthony



> I have an epson 636U scanner that has been working for over a year.
>
> All of a sudden it stopped working.
>
> Finally I called epson support (for a fee because I was out of
> warranty).  Tech support was unable to help.  They suggested my USB
> port was defective.
>
> When I turn on the scanner I get a message that a new device has been
> detected.  It asks for direction to the  scanner's drivers. I direct
> the dialog box to c:\epson\epson10327  where the drivers are located.
>
> I then get the  following messages:
>   "location of driver:
>         c:\epson\epson~1\escanfb.inf"
>
>    after clicking on next I get "Windows was unable to install the
> perfection 636 device."
>
>    then "windows encountered an error while trying to install this
> device"
>
>   then "error code 1F7"
>
> Any suggestions will be  appreciated.
>
> Ron
>
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