Question about Office Equipment & Supplies

3 Answers

I have a Canon scanner 5000f. All of a sudden the computer won't recognize it and says it is "unable to select Twain Source." What do I do?

Posted by on

3 Answers

  • Level 1:

    An expert who has achieved level 1.

    Corporal:

    An expert that has over 10 points.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 18 Answers

To select Twain Source, firstly make sure TWAIN devices are available. Here's a related article about TWAIN scanning. Twain Scanning in Web Document Viewer

Posted on Dec 29, 2014

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Windows will not let me delete the files. Now what??

Posted on Sep 04, 2009

  • Level 1:

    An expert who has achieved level 1.

    Hot-Shot:

    An expert who has answered 20 questions.

    Corporal:

    An expert that has over 10 points.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 21 Answers

First you need to follow the instructions for installing the scanner. It is important whether you connect the scanner before the software is installed and whether you work from the new hardware found box or just install the driver as software. It sometimes varies between operating systems as well.

Sometimes the twain files can become corrupted. Since other devices like digital cameras use the twain files they aren’t erased with a driver uninstall or overwritten with an install. If the twain files are gone the driver install will also install them.

Uninstall ScanGear (I think that is the Canon driver software) and remove the scanner if it is still showing in device manager and control panel under scanners. Unplug the USB.
Do a search for twain and delete all you find in the Windows folder. There is probably a folder and several files – delete them all. Do not remove any twain files not in the Windows folder.
Dig out the instructions and reinstall the scanner exactly according to them.

Posted on Jan 14, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Unable open twain source please


This is an issue with the Driver Installation, Get the drivers Uninstall and reinstalled from the CD.

May 11, 2013 | Canon CanoScan LiDE 25 Flatbed Scanner

1 Answer

Cannot use Canon 5000/5000F scannon with getting message "unable to select Twain scource"


I know i already answered your question but here is the answer again: "Hello... It appears that it's not an uncommon problem. One workaround would be to use the "Scaner and Camera Wizard" that comes with Windows. You can find it in XP in the start menu-accesories. In win7 you press the start button and type scanner, you will have a list of programs, documents and other files related to the scanner, use the first one it finds. The only draw back is that you won't be able to use some functions, can't tell you which as i don't have the device.What windows version are you using?"

Nov 27, 2011 | Computers & Internet

1 Answer

USING ANY FUNCTION ON CANON 5000/5000F, GET MESSAGE "UNABLE TO SELECT TWAIN SOURCE". HAVE UNINSTALLED AND REINSTALLED, DOWNLOADED DRIVERS, NONE HELPED.


Hello... It appears that it's not an uncommon problem. One workaround would be to use the "Scaner and Camera Wizard" that comes with Windows. You can find it in XP in the start menu-accesories. In win7 you press the start button and type scanner, you will have a list of programs, documents and other files related to the scanner, use the first one it finds. The only draw back is that you won't be able to use some functions, can't tell you which as i don't have the device.What windows version are you using?

Nov 27, 2011 | Canon CanoScan 5000F Flatbed Scanner

1 Answer

AFTER LOADING SOFTWARE I COMPLETED THE TEST, IT THAT OK BUT WHEN I TRY TO SCAN, PRINT COPY OR ANYHING IT TELLS ME UNABLE TO CONNECT TWAIN SOURCE


Hello.

Give this a try (found online):

Download Irfanview:

http://download.cnet.com/IrfanView/3000-2192_4-10021962.html

Open the main app "i_view32.exe"

With the scanner hooked up, click onto the "file" (tab)

Click "Select TWAIN Source .." and select your scanner in the source box (if it is listed, the driver is functioning)

Click file (tab) then "Acquire"


Hope this helps.

Sep 15, 2011 | Canon CanoScan LiDE 60 Flatbed Scanner

1 Answer

When i try to scan i get this message: unable to open TWAIN source Please check connection then re-start Toolbox the connections are tight


Driver mismatch - the driver of the scanner has forgotten the location of the TWAIN driver because another software has been using it lately. Follow this
http://weblogs.asp.net/jeffwids/archive/2009/11/02/canon-scanner-unable-to-open-twain-source.aspx

Feb 20, 2011 | Canon CanoScan LiDE 30 Flatbed Scanner

1 Answer

When i am going to scan at that time in the screen select the twin source. what is the twin source of canon canoscanlide25


Hello,

The prompt is probably asking you for the TWAIN source to use. In that box, simply select the Canon TWAIN source. If one isn't present, install the TWAIN drivers for this scanner.

Hope that helps,

MyEfact

Jan 04, 2011 | Canon CanoScan LiDE 25 Flatbed Scanner

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

My canon 5000f will not work with vista 64


Sorry to inform you, but there are no Vista x64 drivers for that product, according to Canon's website.

Aug 06, 2009 | Canon CanoScan 5000F Flatbed Scanner

3 Answers

Unable to select TWAIN source


tried uninstallin and installin canon scanner drivers..nothing works..still seeing unable to select twian source..

so i tried an alternative..here we go..
on vista 64 os/vista any version..click Start>All programs>Windows fax and scan

next click new scan on top and that got me going.

some say there are issues with the way usb talks to old scanners with new operating systems like mine (vista 64). hope it helps until you find the actual cure.

Jun 24, 2008 | Canon LIDE20 Flatbed Scanner

Not finding what you are looking for?
Office Equipment & Supplies Logo

Related Topics:

356 people viewed this question

Ask a Question

Usually answered in minutes!

Top Office Equipment & Supplies Experts

kakima

Level 3 Expert

102366 Answers

k24674

Level 3 Expert

7993 Answers

yadayada
yadayada

Level 3 Expert

70365 Answers

Are you an Office Equipment and Supply Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...