Question about Canon CanoScan FB630U Flatbed Scanner

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Can't find twain source

That keeps coming up when I try to run the tool box for scanning some paperwork, what doea that mean and how can I find the answer to fix it?

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The Twain source is the Picture or Photo program First I do not think your Scanner will run on XP because i have one and i have tried the original drivers Second I got my scanner running on an old computer with Win 2000 and had to use two sets of drivers FB330P/FB630P & FB630U/Fb636V then I open MS Photo editor and Click on FILE then go down to select source and click on the second entry of the scanner the go FILE Scan Image If you not not have MS Photo editor it may work with other programs

Posted on Jan 24, 2009

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Posted on Jan 02, 2017

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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

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

Stopped at start-up after months of no problems


Please trash the twain driver completely.
- Trash epson scan and epson scanner monitor from applications.
- Go to hd. Go to library, then application support. Trash epson scanner module.
- Go back to library. Click on image capture. Trash twain data sources.
- Go to the hd. Click on users. Click on your computer name. Click on Library. Click on preferences. Click on the epson folder. Trash epson scan.
- Empty the trash and restart your mac.
Log on to epson.com. Install the epson11926.dmg.

Apr 28, 2009 | Epson Expression 1640XL Flatbed Scanner

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?


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.

Jan 14, 2009 | Office Equipment & Supplies

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

1 Answer

Your post for CanoScan LiDE 25


Hi there, yes I did everything per your instructions, Toolbox is installed and it still says, "release the lock switch, detach I/F cable and reconnect. Scanner driver will be closed" and then after clicking on that it says "Unable to open TWAIN source. Please check connection then restart toolbox" I have been to the Canon site and downloaded driver sites and it says everything is working. but when I go to scan it comes up with the boxes I said before. Quite lost at the moment? Thanks Maureen. PS I have unstalled and reinstalled

May 22, 2008 | Canon CanoScan LiDE 25 Flatbed Scanner

1 Answer

Lock Switch and IF cable


Mine was doing the same thing. When I get on the program, before I click "acquire" to preview and scan, I click OFF the toolbox and then everything seems to be okay and I can go ahead and scan.

Nov 27, 2007 | Canon CanoScan LiDE 25 Flatbed Scanner

1 Answer

Scanning


The 6180 memory device refers to the removable memory devices that can be loaded into the slots on the front of the machine, not the scanner. Your devices are configured wrong.

 

The scanner is a TWAIN device and therefore requires a Twain driver. Accessing Twain sources requires you to SELECT SOURCE for your scanning software.

 

Just un-install, re-boot, then re-install the drivers for the 6180. Make sure to allow the resident software that runs on your PC to run in the background.  HP needs the "ImageMonitor" and other software to run in order to "feed" your scanning software.

Oct 15, 2007 | HP Photosmart C6180 All-In-One InkJet...

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