Re: No TWAIN Devices Work on My System: EPSON 1200 & 3490, Canon 350D

Addendum:

"CSM1" <nomoremail@xxxxxxxxxx> wrote in message
news:g2_jf.24135$7h7.6012@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> "Bruce Cyr" <abcyr@xxxxxxxxxxx> wrote in message
> news:1OydnW4qmN0rVRLeRVn-qw@xxxxxxxxxxxxxx
>> Please let me know if this is not the right place for this item.
>>
>> Basically, since I upgraded my P3 system to an Intel Northwood P4 no
>> TWAIN device seems to work. Here's the specs:
>>
>> ABit IC7 w/Intel i875 chipset
>> Northwood 3.2GHz
>> 1GB
>> W2K SP4
>>
>> When I switched to the above rig from a P3, my Epson Perfection 1200U
>> stopped working, but since it still worked on my P3 rig I didn't worry.
>>
>> Recently I got a Canon 350D digital camera, and its TWAIN drivers don't
>> work -- no problem, I download photos thru a card reader. Also, I heard
>> other people complain that the Canon TWAIN drivers didn't work for them.
>>
>> After I upgraded the other machine to a 2.4GHz Northwood on an ABit AI7
>> (Northwood 2.4GH, 1GB, W2K SP4), I got a Epson 3490. It won't run on
>> either machine. Nor will that other machine run my EPSON Perfection 1200
>> or the Canon TWAIN drivers.
>>
>> When I run escndv.exe, it says:
>>
>> "EPSON scan cannot be started.
>> Please use the Troubleshooting Assistant to solve the problem.
>> Do you want to open the Troubleshooting Assistant?""
>>
>> Not one of the Troubleshooting Assistant branches results in a positive
>> outcome.
>>
>> I've uninstalled and re-installed the drivers per EPSON tech support
>> directions, and also scrubbed a bunch of files and registry entries per
>> their explicit directions. I also followed the advice for removing all
>> the old Twain sludge based on a lead here:
>>
>> forums.techguy.org/showthread.php?t=407604
>>
>> Unfortunately, this doesn't change things at all. After re-installing
>> EPSON Scan, I get exactly the same message noted above.
>>
>> I've also switched to different USB ports, esp. non-hubs, but that
>> doesn't help. The scanner does show up in Device Manager with no sign of
>> a problem.
>>
>> I've also pared the system down to bare knuckles (killed ZoneAlarm,
>> PC-cillin, Spyware Doctor, all other non-essential TSRs and all other
>> applications, stopped all but the essential services), and still get the
>> same results. I'm beginning to suspect that the Intel i875/i865 drivers
>> don't like TWAIN devices on W2K, but if at least one person has got
>> something running with these parameters, then that's another
>> grasping-at-straws hypothesis shot to hell.
>>
>> Can anyone give me a clue as to what I should try next?
>>
>> I think the good folks at Epson have given up, so I appreciate any and
>> all help. If all else fails, I could return the 3490 and start all over
>> when Vista shows up late next year and start all over with that.
>>
>> I don't need a scanner the way I need air, but I'm getting PO'ed that I
>> can't get one running.
>
> You left out the most important piece of information. What is your
> Operating System?
>
> If the scanner is a SCSI scanner and you are using Windows XP, you must
> install ASPI from Adaptec.
> The words from Microsoft.
> http://support.microsoft.com/default.aspx?scid=kb;en-us;300674
>
> The Driver download:
> http://www.adaptec.com/worldwide/support/driverdetail.jsp?sess=no&language=English+US&cat=/Product/ASPI-4.70&filekey=aspi_471a2.exe
>
> If the above does not fix your problem.
>
> For TWAIN to work you have to have the OS TWAIN files installed.
>
> I do not mean the TWAIN files that comes with the scanner or camera.
> I mean the System files.
>
> In Windows they are located in %SYSTEMROOT%.
> %SYSTEMROOT% is usually C:\Windows.
>
> There are usually four files.
> twain.dll
> twain_32.dll
> twunk_16.exe
> twunk_32.exe
>
> Those files are supposed to be installed when you install the Operating
> System.
> A Clean Install of the OS may fix whatever the problem is.
>
> Even an extraction of the TWAIN files from the original OS CD may fix the
> problem.
>
> --
> CSM1
> http://www.carlmcmillan.com
> --
>

If the scanners are connected via USB, Make sure the USB ports are active in
BIOS. Also have you done the latest Microsoft Windows Update?

If you are using Windows XP, Update to SP2 if you have not already done
that.

--
CSM1
http://www.carlmcmillan.com
--


.

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