Question about Canon CanoScan 3000F Flatbed Scanner

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Suddenly my Canoscan300f decided to stop working - doesn't come on at all. Get an error message saying - Twain error and it might not be connected correctly to computer. We have checked that and can find no problem there. Also we have uninstalled and reinstalled the software as well as physically disconnecting and reconnecting the unit. No luck there at all. Any suggestions? Thanks. Carol P.

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Hello
Have you tried running the program incompatability mode,if your running vista or win 7,then run it in xp compatability mode.
If your running in xp then try 98 compatability mode.

Another possible solution is to delete then reinstall your usb drivers or update them.

Also check for software updates.

http://www.usa.canon.com/cusa/support/consumer/scanners/canoscan_series/canoscan_3000f#DriversAndSoftware

Posted on Mar 30, 2011

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Hello,

 

I have seen your message stating that "Initialization failed - Unable to acquire TWAIN-compliant device" error is received when trying to connect USB-Parallel type to your Laptop.

 

Well,  Printer  Panasonic UF4100, recommends to use only " Printer/Scanner Interface as Bi-directional Parallel (IEEE1284) " means you need to use Parallel cable to connect Printer to the Computer/Notebook.  You may receive some communication error messages if you are using a  "PORT REPLICATOR CABLE"( USB TO PARALLEL connector).  The error message that you have received is related to the communication error. Futher, if you use same USB- Parallel cable for long time the Printer Hardware functionality might go bad, since Printer memory gets confused and will not read or detect the Cable , since it is not a cable to use  mentioned by Panasonic Manufacturer.

 

Let me tell you, general functionality of Printer like Printing would work even if you use USB-Parallel cable. But it is not a case with Scanner and Fax functionality.

 

Hence, I recommend you to use only Parallel cable to connect your Printer to the Laptops.

 

I hope that this will resolve the issue for you.

 

You can email me at thumuvikram@rediffmail.com if you need further assistance.

 

Bye.

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