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"THERE IS A TWAIN ERROR, MAYBE THE DEVICE IS NOT CONNECTED." i AM NO DUMMY, i HAVE HAD A COMPUTER AND DONE MY OWN WORK ON IT FOR OVER 15 YEARS. CATHY

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  • landolakesfl Jul 24, 2009

    sUDDENLY MY SCANNER (CANOSCAN SCANGEAR 8400f) HAS STOPPED WORKING, AND GIVES ME THE MESSAGE "tHERE IS A TWAIN ERROR, MAYBE THE DEVICE IS NOT CONNECTED." i HAVE BEEN WORKING WITH THIS PROBLEM FOR OVER 6 MONTHS NOW AND HAVE TRIED MANY DIFFERENT THINGS TO FIX IT BACK TO THE WAY IT USED TO WORK VERY WELL WITH NARY A PROBLEM. cATHY

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Hello,

how can I help you? could you post the problem in detail.

Thanks,
Ekse

Posted on Jul 24, 2009

  • Ekse Jul 24, 2009

    What kind of things have you tried so far? have you tried doing a system restore to the date when it still worked?




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I have problems with TWAIN error - because my CanoScan N670U can't work - always show me that maybe the device is not connected.


I have many years repairing canon scanners so here is my suggestion to you.

I would first google Canon CanoScan N670U drivers. Make sure you download them from the official canon site the drivers are free. All the drivers have a date on them so download the newest drivers. Once the download is complete disconnect the cable from your scanner that goes to your computer then install the new drivers. Once there installed then connect your cable from your scanner back to the port on the computer. A window should pop up saying new drivers are being installed. Once this completes then I would re boot your computer and you should now be able to scan again. Also while your on Canon's website download Capture Perfect its free too and will help you with your scanning projects.

I hope this helps you out.

Mar 15, 2011 | Canon CanoScan N670U Flatbed Scanner

1 Answer

I have HP Officejet J3680 All in one I wanted to scan a document but it is saying there is not option..


canning functionality from the LJ3380 and CLJ2840 series All-in-One devices may not function until the correct Twain Data Source is selected by the user. This can be done by attempting to scan from the foundation scan executable "hppscan2.exe ".
  • For the LJ3380 series this is located in C:\Program Files\Hewlett-Packard\LJ3015_LJ3020_LJ3030_LJ3380->hppscan2.exe
  • For the CLJ2840 this is found in C:\Program Files\HP\Digital Imaging\bin->hppscan2.exe
When the "hppscan2.exe " is launched from this location where it resides, a dialog box will open with a "Select Source " box listing the installed Twain scanning devices available. If this box is not seen, then there is only one Twain device installed. In some instances user input is needed to chose the "correct" Twain data source for scanning to be successful from the LJ3380 and CLJ2840 series devices. If the incorrect Twain data source is selected- an error "Cannot initialize device " will be seen.

Oct 27, 2010 | HP J3680 Officejet All In One Printer

1 Answer

When I try to scan I get a message - connect to Twain source but I don't know what they are talking about?


The TWAIN device is the scanner itself. The program seems to be saying it can't see the scanner.

Is this scanner new to your computer?
Have you installed the driver for it?
Which program is giving you the error message?

Apr 12, 2010 | Canon CanoScan 5000F Flatbed Scanner

1 Answer

Kodak esp-3 unable to scan from home center,but able to print


If you are getting a 1-2036 error then there maybe an conflict between the Kodak TWAIN driver and another TWAIN device, most of the time it is with a flat bed scanner. If you have another All in One printer or scanner connected unplug it and uninstall its drivers. If the issue continues uninstall the Kodak software and unhook the kodak printer. Then download the kodak clear utility from HERE
After the utility runs and you restart your computer Re-install the Kodak Printer software and select WEB install to get the latest version.

Hopefully that will solve your Home Center scanning issue.

Jul 13, 2009 | Office Equipment & Supplies

1 Answer

My FlipShare software cannot recognize my Flip MinoHD


Have the same problem with my Flip Ultra HD on my MacPro! Who can solve the problem??

Mar 19, 2009 | Pure Digital Flip Mino Digital Camera

4 Answers

TWAIN Driver Error


If connected via USB, unplug cable and insert into another available port and error message should disappear.

Nov 14, 2008 | Fujitsu fi-5120C

1 Answer

Error message


What is your operating system?

If XP, check your device manager to see if the scanner is being recognized by XP.

What is your scanning software?
Try to use another scan program ( a free demo version should work fine.)

Are you using TWAIN or an ISIS driver? If it is a TWAIN driver, then any Photo editing program should be able to connect ( usuallly!?).

Jul 04, 2008 | Office Equipment & Supplies

2 Answers

Initialization failed - Unable to acquire TWAIN-compliant device


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.

Oct 17, 2007 | BafoTech BAFO BF-1284 Parallel Adapter

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