Hi,
I have a multifunctional Canon Pixma MP830 all-in-one device and has
worked for a long time with no problem.
But nowadays, i'm receiving error "cannot communicate with scanner"
which is very common error about Canon's Twain driver. I have no
problem acquiring to the TWAIN, however i can see the twain interface
but the problem comes out while scanning process is about at half, it
fails scanner's lid stucks and freezes saying error "cannot
communicate with scanner".
The biggest and strangest clue is that MP Navigator (Canon's standart
scanning soft) fails during scanning, but another applications like MS
Imaging and Scanning Wizard or ACDSee can scan "fine" using "canon's
Twain SCANGEAR MP".
As i said, i've installed TWAIN and software with obeying instructions
very carefully and i didn't do any wrong failure during scanning or
installing.
I've tried these with no luck:
1-Removed then re-installed all the Twain drivers
2-Re-installed MP Navigator
3-Tried using lower DPI, even in 100 dpi i got error, if i use 300dpi
on another softwares usually it works.
4-I set services automatic which were set to manual and started.
5-I tried different USB ports.
I have no idea and the biggest change on my XP SP2 was installing .NET
Framework 2.0.
Note: I also have a Canon digital Camera using on the same computer,
on the same USB port. However changing different ports did NOT help.
Finally, i'd been using this scanner really fine till now. I cannot
blame hardware because other apps works OK lower then 300dpi or with
300dpi.
Please take care and share your experiences.
Also, i couldn't find a direct feedback mail form towards Canon,
however plenty of users claim tech support of Canon is not good.
Regards.
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