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If this has somehow been of help, it would be great if you leave a comment : Troubleshooting: Did you try plugging it out and in again?
There are two problems: 1.
This is however more complicated than just installing a package.
It does however not seem to work out-of-the-box like the previous versions.
I am probably not going to pursue this issue very much.
I am not sure as I have not checked this myself.
Canons support site has a driver listed for Mavericks for the 4400F.
Would be great to hear your results.
Will this Solution Thread resolve this Problem?
The driver fix will enable you to run Canoscan 8800F with Image Capture Mac App on Yosemite.
You cannot use Photoshop Elements 13 to call up the scanner.
I have an older version of Photoshop Elements Ver 6 that still calls up the scanner in Yosemite.
I believe it will save the image as jpg no tiff option as with Photoshop.
Installer works a treat: does what it says.
I am surprised Apple had not thought of including this feature.
Vuescan is using its own drivers, I think in all cases.
Now Yosemite detects my scanners and VueScan works as before.
Both apps worked previous to installing TwinBridge.
I need an app with the capability of VueScan that will work with my scanner.
Could you or someone reading this recommend software comparable to VueScan that will natively support a twain driver.
Which features are you missing in Image Capture?
It would be courteous and helpful to others struggling with Apples unbelievably arrogant way to treat its paying customers!
On a iMac where it was already installe the fix still works with some programs CanonTollbox 5.
For the also crippled Disk Utility there is a solution on the net where somebody found a way to change one byte in the program to give the O.
Unfortunately that goes bejond my coding capabilities.
I have the same scanner but in my macbook does not work, can you tell me step by step what shall I do thanks a lot.
Then install twainbridge that you download here.
I am not able to get my Canon 4400F to work.
I have tried installing the latest driver from canon — for 10.
Can someone help or should I go to the dump?
I installed TwainBridge and then latest Twain driver 2012 downloaded from Canon.
Thanks for making this available so many, janegil.
Up until now I was using the old Lion drivers to keep her playing with Mavericks and everything worked normally.
All the other menu options are just blank.
I just switched to 10.
Can someone help me fix this.
I just bought this one.
I figured out the problem.
Did you have to install a Twain driver as well?
Can you point me in the right direction to find it?
Thanks, Lizzy Yosemite — Canon Lide 70 Thank you sooo much!
Works like a treat with Image Capture!
Keep up the great work!
Having trouble scanning via image capture and photoshop cc since upgrading to Mavericks.
Using an Epson V700 Photo with latest drivers for Yosemite.
Computer is fast enough, and I can scan just fine with the native Epson software, it works perfectly.
Then I tried it a second time, and it went back to old ways.
Very confused … This seems weird, probably interacting in some crazy way.
I do not have a method for fixing this though : Patrick I have borrowed a Epson 700 and cannot get Epson scanning software to work on 10.
I prefer it to using imagecapture as the scan window snaps to each slide rather than needing manual placement According to others it does work on yosemite :P Make sure you install both the twain driver from canons website and twainbridge from this website.
A restart after the installation might be needed.
After two hours wasted, finally found this fix.
The first program to use the scanner takes control of the scanner, you need to quit ImageCapture before scanning in Preview.
For now they appear to work under Yosemite 10.
But after a little websurfing, I found your proposed solution.
Many thanks Bob It works for me!
Canon 4400F on Yosemit 10.
I just downloaded and ran the installer above, and can once again use my scanner from within Photoshop Elements.
It might be possible that you have to use some canon software scangear in order to accomplish this.
I cannot get the install package to open, the Mac is not allowing it because it is not from a recognized developer.
Are you sure about the path?
My notes, and the downloadable installer, all uses the right path.
Thanks for letting me know : Hi, I installed the App, but after scanning, Image Capture stopped saving files.
Hi, please try to use the configured Scanner app instead of Image Capture this should fix your issue.
It had always been accessible in Acrobat Pro.
Finally got my Canoscan 8800F almost fully functional under Mavericks.
The information you have given here kinda suggests otherwise though.
I might be able to check this out in the future.
I got this impression based on something I read in a forum somewhere, so this might not be totally accurate.
Your script worked first time with no problems whatsoever.
You have saved me, and countless others, much time and effort, and money, too.
You have also prevented untold numbers of good scanners going to landfill to pollute the Earth.
Would anyone know where I can find a copy of the file, or would anyone be so kind as to send it directly my way?
It would be much appreciated!
Dude, you made my day!
I was looking for a solution for quite some time!
Love a brilliant solution like this.
I used Graphic Converter in 32 bit, and thanks to Thorsten Lemke the developer for helping me work that out he rocks.
And I tried it out with the Yosemite public beta.
Twainbridge installs, and I could scan with my P-150!
Does this basically use a twainbridge.
You Sir, are a a true gentleman — worked first time with no problems.
Fabrice from France Konica-Minolta bizhub C25 on Maverick 10.
I have the TwainBridge active and installed v1.
Is it possible that this workaround does not work for 10.
Did you install the package for 10.
I am not sure if the 10.
I am using it on 10.
I think the P150 and P150M are essentially the same machine.
But you still need the scanner drivers.
The Canon software itself might be the problem.
I was about to ditch my Canon 8800F.
You brought it back from the dead!
Thank you for working out this fix and then making it available to the rest of us.
This seems to have fixed the problem.
Which canon driver did you use?
Thanks a lot Thanks so much.
Now I can use both.
Just got off the phone with Canon, they were no help.
Now with your fix I can scan direct from Photoshop just like before.
Many Thanks Works well, but only in text not in color.
The method described in this post requires the scanner drivers to already be installed.
How exactly did the driver installation fail?
But at least Image Capture works!
There were no installation or operational problems at all and the scans are high quality.
I have not heard a single word of someone not getting this to work on Yosemite, so it should probably work.
I think they only do this for the more recent scanners.
Which scanner are you using?
Do you know if Yosemite will break this again?
Several people in the comments have reported that this fix also works in the Yosemite beta, so for now all seems good :.
It is possible that twainbridge might be deleted in the update, so a reinstallation should be attempted if it stops working.
Do you know of a work around for this, or maybe I need something else that you know of other than the Canon driver.
Do you know where all of those folders should live?
Are they just loose in the Library directory, or inside something else?
Thanks You could also try the VueScan, I think it is easier to accomplish, as it is only the application.
You will however have to use the application for scanning, and it is not freeware, still worth a try though.
I wish you the best of luck.
It also works with Vuescan now with the Sane backend and the twainbridge and twain-sane plugins.
In order for this to work I had to compile the latest sources from their git repo.
LiDe 80 support was added into Sane relatively recently.
I can scan now using the command line or image capture, etc.
Image capture scans come out distorted, though.
Was this meant for me or in response to someone elses comment?
It is also pretty native.
I appreciate you taking the time to figure this out for the rest of us.
This brand new all in one should just work out of the box as it is supposed to be Mavericks compliant but no dice.
I had a similar problem with a very Old Epson scanner where it scanned blurry with apple drivers and ok via VueScan.
Any suggestions or workarounds would be appreciated!!!
But new devices where compatibility is claimed should be supported.
Working perfectly using Image Capture.
Suddenly, the beast came to life just minutes before a no net swish into the trash can.
Nevertheless, thak you for your work!
Jeff Yeh, it seems the the drivers for the canoscan 5000f are very old.
Did you try other solutions such as or?
What did work was Adobe Acrobat Pro.
After figuring out how to specify the geometry for croppingit produced very nice scans.
Acrobat Pro is not free, but if you have it, it removes the need for installing any fix.
Hope it helps someone else!
Dear Br, it looks like you have exactly the same laptop and printer as I do, which gives me hope.
Everything was fine before Yosemite.
Where have you found the drivers for CanoScan N1220U?
Or, which model drivers are you using?
I will post a link from my blog Worked with my Canon CanoScan 8600F and Yosemite, mac os x 10.9 for intel me to scan to Preview.
Thank you for the fix!
I think some scanner turns up as available if you run Photoshop in 32-bit mode.
I guess this would pose some more memory limitations ie, like maximum 4gb for Photoshop.
The native Brother application does work.
Confirm whether it was installed properly.
Any suggestions would be great appreciated.
I tried the suggestions in the link provided but nothing.
It sounds like you might be using a Canon application for scanning, you should give Image Capture a try.
There have been several people reporting success with the P150, so it should be possible to achieve this Amazingly simple fix.
Thank you for clarifying and saving me a few hundred dollars.
I liked the P150 scanner so much but had given up hope until I stumbled across your discussion.
Thank you for your patience and going another round with me to finally resolve this.
Let me know if if works for you.
I will update in a bit.
But thank you for the suggestion.
Surely there is a fix.
Others seem to be having success with running the P-150 on their iMac.
Na tym blogu jest tylko jeden wpis.
Some users have reported success with the 4400F, so it should be possible to get working.
Do you only get a solid color when doing preview scans also?
I have read some people have problems with certain file-formats.
Could the lamp or something be failing?
For another user reinstalling the scanner driver from the cannon website helped sort his issues with garbled scanning.
Thank you, will give that a go….
I was so annoyed when I discovered that my P-150M is not opertional under Yosemite, but with your solution it works.
And altough the drivers from Canon were only listed up to Mavericks, it works for me on my iMac 2013 with Yosemite installed from last week.
I see that the drivers are now also listed up to Yosemite, the 14.
Probably not too many changes to this in Yosemite.
Also out of curiosity, did you have both the twain driver, 14.
Thank you so much Janegil.
Scanning has now resumed as normal thanks to your efforts and that natty little Bridge for a Thing Without An Interesting Name.
I hate discarding a working tool before its time.
I managed to get my new MacBook Air 10.
It took me all day, but I finally found your page.
See good scan under Mavericks here: and garbled under Yosemite here: Any ideas?
One user has reported here that a scan produced only one solid color after upgrading to yosemite.
Can I ask if you upgraded or performed a clean install of Yosemite.
If not, did you use the package from my site in Mavericks as well?
Or in case do it manually.
Hi, Thanks for your reply.
I upgraded my existing Mavericks.
Sadly Mac os x 10.9 for intel only discovered it this morning.
But I tried it in an old Mac still running Mavericks.
Could change it, if I had different ones.
Although I did not know how to uninstall the existing drivers, I followed on your tip that it might be caused by the drivers, so I installed new ones on top.
The colours are perfect : Hope this helps others.
Anybody have any miracle workarounds?
The driver on Canons webpages are not made to work on intel processors.
The printer also does not seem to be compatible with VueScan or TwainSane.
Not the most user-friendly, but it would probably work.
I think only 32-bit windows versions are supported.
I downloaded the olds drivers for Lion on Canon website.
Mon imprimante multifonction est maintenant parfaitement reconnue.
No tweaks needed to work in Yosemite.
I am having a similar problem with my Microtek scanner.
Microtek says they no longer support my scanner after Snow Leopard.
I have been tearing my hair out for the last week trying to get the scanner to work.
Do you think this fix would work for me?
Lack of customer support here.
I tried the Mavericks one but it said it was not compatible with Yosemite.
Thank you very much, Jan!
Using this I was finally!
You just save me a couple of hundred!
My Canon Imageformula P-215 now works under Yosemite.
It had previously worked under Mavericks but the Yosemite upgrade rendered my scanner inoperable until I read about your fix.
I had previously spoken to the Canon support help-line but they were completely useless.
Folks will get wise to such behaviour whether it be a sales ploy or just incompetence.
It can now be seen by imagecapture.
I was only able to scan from within Adobe Acrobat Pro.
That worked, but was inconvenient and limited my options.
When I recently installed Yosemite, I lost even that capability.
A big thank you for supplying this information.
This solution has worked beautifully.
My Canoscan Lide 20 is still not recognised by Image capture.
Can anyone please tell me what to do?
You need a driver in addition to this package.
It works independently and through Photoshop.
Na tym blogu jest tylko jeden wpis.
My husband and I have been working on this since upgrading to Yosemite last week.
I have been practically tearing my hair out with frustration!
Thank you thank you thank you!!!
I was so desperate I was shopping for a new scanner!
This upgrade to Yosemite has been extremely painful, but thanks to you I have a working scanner again!
I skipped Mavericks and have been having the worst time.
We are now telling clients to go to Mavericks and then Yosemite.
Always better to do a small upgrade!
You have no idea how much your sharing the fruits of your hard work has meant to me.
You have done just that.
Thank you for making the world a better place.
I have and old Notebook laptop with Windows and have to use that if I want to scan and print…sigh!!
Then I came upon this thread.
You need to use the installer from this page together with the old Canon driver.
This works perfectly with my Canon P-208.
Would someone help me finding the driver.
I dont think it supports Yosemite yet though, hopefully this will happen soon.
If you are not running Yosemite,and I think will also be updated once Yosemite is released.
Thanks so much for all your dedication.
For a moment there, I thought I was in trouble after upgrading to Yosemite on my MacBook Air.
All I got was gray when scanning on my trusty Canon Lide 600F.
Canon does not provide a driver for 10.
I also have a Canon Lide 600F and has a new Mac desktop.
This fix worked for me, using the driver on the Canon website made for the 10.
Thank you for doing this work.
I tried the driver for 10.
Then found this site from a Google search.
You still need the 10.
Open toolbox and scan something.
In any event, how do you implement your Fix once it has been downloaded and installed?
Thanks I have not tried my solution with any of the applications provided by Canon.
Thanks so much for your help!
Works great with Yosemite, Canoscan 8800F.
Finally ditched the crappy Canon scanning software!
Thanks for clear headed thinking, simple solution.
I was amazed at the threads and misinformation around this topic.
The solution reinstalling older Apple executable while using most current scan driver is really a safe way to go.
Works fine with Maverics on my MacBook and with my Canon Lide90 — canon driver for lion.
It works for my Canoscan 8800F with Yosemite 10.
I can use the scanner buttons again!
My open questions are now: Why Apple deny the access to the scanner?
Are the buttons of this scanner working with Yosemite without the usage of the old TwainBridge App?
What is the Yosemite way for writing scanner drivers which are listend into digital image app?
Not getting many hits googling for that though I use mostly the buttons when i work with the scanner.
If so, then the root cause is at the side of Canon.
My CanoScan 8600F works again!
Thank you so much for saving me the cost of replacing a perfectly good and expensive scanner.
Thank you, Jan Egil, so very much!
I spent several hours and tried all sorts of advice from the Xerox forums and elsewhere with no success.
This, however, was easy peezy!
Hi Janegil, You are a star, thank you very much for providing this installer package and link to the drivers.
When I recently upgraded to Yosemite 10.
I have just installed the last available driver 8400fosx10241en for this scanner from Canon for Lion?
I have scanned some photographs and all the previous functionaliy seems to be there.
That is a minor inconvenience though, most importantly I have my scanner with slide scanning capbi;ity back.
Again, thank you very much.
Fixing these kinds of problems are way beyond my capabilities and having people like you doing it is wonderful.
Unbelievable that a simple piece of kit like a flatbed scanner can get shot down so easily.
It seems the drivers for the Lide 100 are pretty up to date from their date on Canons website.
Yeah it seems like the drivers for this scanner is pretty old.
Twain Sane seem to might have support for your scanner though.
My CanoScan 8400F works now with mac 10.
I am happy now, that I can use my well working scanner.
Hate to throw away things which are still good!
You did a great job for sustainability!
I feel the same as everyone else, why for the sake of a bit of software writing, are we expected to throw out working equipment.
Not sure if the scanner appears in system preferences.
I have mostly only tried with Image Capture Thanks so much.
Regards from France Thank you so much.
I just moved to Yosemite, and your patch was a real lifesaver.
Worked like a charm for my Canon Lide60.
I just reactivated a Canoscan 8400F under 10.
I can communicate with my Canoscan 4400F after the fix thanks a stack!
Any suggestions will be most welcome.
Thanks for this, a real help.
My iMac can now see the scanner as a device in applications, I can use the buttons — as well as assigning different functions to those buttons.
It no longer does so.
Is there some way to set scanner preferences?
My scanner then showed up in my available devices in Photoshop.
Thank you for this fix!
I just migrated my files from an old MacBook Pro to a new model running Yosemite.
All the basic options are there, cropping, resolution, file type, etc.
It now works fine using Image Capture.
Thanks all for the right path.
Shame on Canon not to have posted this kind of update!
Lots of thanks for you Jan!
I blundered about so much that my comments may not be much help to others.
First I installed the Twainbridge pkg, restarted the iMac — no luck.
At some point I reinstalled the 10.
I had lost use of both the printer and scanner about a year ago when my new laptop came pre-loaded with Mavericks not a fan.
I have to use Image Capture now for my scans, but it sure beats having to run to the store and pay for copies of important documents.
Developing this software and making it available to folks for free was a really kind thing to do and will help a lot of people that are in a jam with this frustrating issue.
I could unearth my Canon 8800f without problem.
Alan Great to hear your scanner is working.
Hope you didnt bury it under too much earth.
Are you saying they wrote about this solution in that magazine?
I stupidly updated to Yosemite 10.
The laptop definitely recognises that the printer is there and can print but no option to scan within Ps, Preview or Image Capture.
The only thing that did work was downloading VueScan which managed to preview and scan the document but then put stupid watermarks all over it and asked me to pay for the software.
Make sure you try reinstalling both the driver and the twainbridge application.
A restart first and then one after might also come in handy.
I assume you installed both the printing and the scanning driver for your printer, as they are separate.
I have a caon 4400f scanner.
Is this a photoshop plug in you are talking about, or the scanner driver or TwainBridge installer?
Hi Roman, I have a Canon P-215.
The P-215 does seem to have a driver for 10.
I guess you should be able to just download and install that one.
I seem to be halfway to getting it to work.
Image capture app on my mac 10.
Thanks Jena Hi Jan, I also downloaded the canoscan toolbox 5 and got a bit further.
Thanks Jena Hi Jan, I got it working.
I downloaded a whole bunch of drivers that never worked before your maverick fix.
Your fix enabled the scanner to be seen by imagecapture app.
I then downloaded canoscan toolbox 5 even though they say it is for earlier versions not ios 10.
After checking this box it worked.
Thanks again, Jena Hey thanks so much man.
Downloaded your Twainbridge fix and reinstalled the Canon driver.
The scanner always has worked and still does work perfectly with Photoshop Elements.
You should only have to install the TwainBridge fix from my website and the driver.
Also, a restart might be required in order for it to start working.
I do actually need to use all three apps at various times.
Is there a way to have all three apps working?
You could try with the TwainSane drivers,make sure you need the latest drivers that supports mavericks.
If that doesnt work theres the option of VueScan, which is a standalone application you would use for scanning, this solution will not work with Image Capture.
Give me a word if you try any of these and figure something out : I never used the twain-sane solution myself, but I think it should be a good one.
I just needed to fetch the twain plug for Photoshop and run it in 32 Bit mode.
Thanks again for the great new years gift!!
I have a canonScan 9950F.
The scanner was recognized with image capture.
I can see it on the top left corner.
I know also VueScan which I have used until now.
But I was curious to see what happens with this one.
Do you have an answer for me?
Thanks Maybe you have to do the overview scan in order to do the fullscan?
If not I have not seen anything else like this.
VueScan just hangs on start.
Poop… Here are some things you could try to do: — repair file permissions for your hard-drive in Disk utilities — reinstall the scanner driver and twainbridge — remove and add the scanner again — create a new user account and try scanning from this With the updated version 3.
Trying to adjust the calibration parameters of the backend gave better results but still not convincing.
Does anyone know the correct setting?
When I launch ImageCapture the scanner does not show up.
Seems there was another guy with the Lide 80 who couldnt make it work.
I cannot see any ways possible now to make it work.
Thank you so much, your twainbridge.
Saw this fix — and installed.
Scanner Canoscan lide 70 fired into life after about 10secs.
I think they should be working natively without the TwainBridge fix.
As I contemplate buying a new scanner, should I be looking for a non-twain model?
Jan you are like a god to me.
One caveat — it does not appear to work with the CanoScan Toolbox app, which I kinda like, but it does work when importing from Preview.
I shall learn to live with that!
I have a Canon One Touch I purchased through Amazon.
I have not however had the pleasure of using it — they sold it as Mac compatible a few months ago although this does not seem to be true… accept here.
I installed it and Imgaecapture still does not recognize my scanner.
Is there an alternate way to download drivers?
I did find the driver at Canon for the P150 scanner 10.
I installed it on two 10.
In both cases the computer does not see the scanner.
I tried Imagecapture on both and the Canon P150 program on one.
Thanks, Danny Sometimes you have to restart the computer in order for it appear.
Reinstalling drivers might also help.
There have been several success stories about this.
The things you should have to do is install both the printer twain driver and twainbridge from this webpage.
Thanks, I did try that on 2 f the three computers.
But I am going to give it another shot.
Do I need to uninstall the drivers first or is it fine to just hit install?
Again, thanks for responding — and sharing your solution!
That makes the computer find the scanner.
The scanner was recognized from Preview and everything worked right but hung up at saving the scanned file.
It works fine with Image Capture and I can open the scanned files in Preview which is all I need.
Thanks for allowing another perfectly good Canoscan to become useful again.
This will be a huge help to our graphics team.
Thank you so much Jan.
My 4400F is back among the living.
Glad I found your page.
I have an iMac mid-2010 running 10.
I have been through this entire post and only see one reference to a 9950F Vladimir.
Has anyone out there tried this fix with my same setup?
I would like to try this fix but with no successes mentioned here… He will probably not see your comment and never comment on it.
Perfect for Canon 4400F with Mavericks driver.
I was about to buy a new scanner, Thank you so much!
People are saying they have gotten this scanner to work using this solution.
Make sure you try to reinstall the drivers, replug the scanner and do a reboot.
The solution appears to be to plug in your scanner after startup.
Time was when Macs were the graphics computer of choice, but the big A seem to be chipping away at that piece by piece.
That does not sound good.
I tried recreating this issue here, but only one instance of TwainBridge is spawned with the scanner plugged in at boot, and it barely uses any system resources.
Maybe theres a bad interaction with something else in your system : Many thanks!
So thanks Canon and thanks Apple for trying to screw me!
And thanks for this site and the solution to that scam!!!
Slower than native canon on 10.
May have something to do with downloading from Apple Canon 3.
My name is Pablo and Im from Chili.
Hi Jan, I have downloaded and I have installed your TwainBridge Maverick Fix but still cannot get Yosemite 10.
Is there a Yosemite Twainbridge fix?
Chris I use the drivers from the Canon website, together with the TwainBridge on this post.
Reinstalling both the TwainBridge and the canon driver might help you if you already have installed them.
Another perfectly good CanoScan 8400F about to be replaced after getting a brand new MacPro and upgrading to Yosemite saved and working like a charm.
You made my day, thanks!
Outstanding research and development work, Jan!
How did you get it to run?
You need the Twain scanner driver in addition to TwainBridge.
The Lide30 driver seems to old to be installed in Yosemite at all.
A restart might be needed in order for it to work.
Also, a reinstall of both has fixed issues sometimes.
Thank you so much, everything works again like before.
Just run the instaler and scanning is like you never installed Yosemite at all.
Get Info says it is 152K and v 7.
So what exactly does it do?
The wrong assumptions can cause havoc on the answer.
Hmmm, perhaps the file could be compressed.
Just want to add to all of the thanks you have already received for doing this and making it available to us all.
Your security problem can be solved by secondary-cliking right mouse button or two finger click on trackpad and selecting open.
If it does not work you should try installing the twain driver.
When I select Image Capture using Graphic Converter 9, all of the buttons on Image Capture: Hide Details, Overview, and Scan are grayed out.
I contacted Thorsten Lemke at Graphic Converter and he told me it was up to Canon to come up with a 64-bit scanner software.
That does not exist anymore.
Anyone have any ideas at all?
Sometimes it helps to reinstall the Twain driver and Twainbridge if this is what you are using.
You made my day, week, month and a year.
I could not get it to scan, but now I do, thanks to you.
Hope to hear from you again and thank you.
This will be very helpful if this really works.
I have not seen this working with the 5000F.
Added your Twain from Lion, and viola.
Image Capture appears to be working normally.
Very clever of you to figure out the problem and very kind of you to provide a solution for all of us.
Many, many thanks for this!
I installed TwainBridge, Mav 10.
The scanner works, however, I now have trouble with some other applications.
I would like to uninstall TwainBridge, but cannot locate the app.
Please advise me how to uninstall.
A restart might be needed to completely unload it.
Good luck After scanned a few pages, the scanner often was hanging while scanning a new page.
I had to turn off the scanner, then power on it again.
Some times this would solve the hanging problem, some times it would not.
Wonder if anyone has similar problem?
Thank you for making a fix for the public and providing though!
From severals months I was using VueScan by default.
This will keep my machine working for many more years!
Thank you very much for such great help.
But somehow I cannot find the twainbridge.
I tried rebooting, reinstalling, but besides the warning, that the pkg is already installed, it changed nothing.
Do you have any idea what happened?
Cheers, Armin Did you also install the scanner driver from Canons website?
It seems, that I did the install while a second user was logged in, but not active, on the macbook and this seemed to prevent the app to get into the devices folder.
Even the reboot did not change this.
Now, after the user was working on the machine again, the twainbridge.
I reeinstalled both the printer and the scanner driver from canons website and did a reboot as well.
When I try to scan using canons mp navigator, I get an error message, that the scanner is not available and a window where I could choose a different scanner.
Anyone out there who had the same issue with a mp600r?
Having this sad, I have to add, that I try to scan over wifi and that it worked initially after the installation of mavericks.
The strange thing is, that my scanner did work in mavericks.
Not fully compliant though, I had to use the canon software on the mac for scanning, the scan buttons on the printer did not work.
I start to think, that twain might not be my problem, but something different.
Do I need the sane drivers as well?
Also try a reinstall of the scanner driver if you havent done that yet.
There are several people in the comments that have gotten TwainBridge to work with the mp600r, so I think it shoudl be possible.
I deleted and reinstalled all drivers without getting a result.
Thanks for your support and keep up the good work!
This is a life-saver — thanks!
Make sure you install both 1-TwainBridge and 2-The scanner driver.
Sometimes also a reinstall of both 1 and 2 is needed.
The Lide 60 has been reported to work by many people.
I installed the latest driver i think maverick from the canon official website and then your twain fix and the image capture app recognized the scanner properly and scans alright.
Thank you very much for your work!!!
I really appreciate it… thanks to people like you that share knowledge and habilities world is easier.
Living is easy if we all share… Thanx a lot Oh, thank you so much, it works great!
I think it was listed under 10.
Hi, thank you — but i have already installed all driver on the canon webpage that i found, nothing works…!
I rebooted and pushed the scan button on the scanner.
Image Capture popped up on my Mac.
Then I had to unplug the scanner and plug it back in.
Excellent, smart, elegant solution, many thanks.
My trusty Canon 4400F is back in action using Image Capture on a 2012 Mac Mini running 10.
Downloaded Canon Scan software and TwainBridge Maverick Fix.
Installed but not moved anything.
What am I doing wrong?
Sorry, a little casual with my terminology.
To be sure, I have again downloaded Canon Twain Driver.
Same error message when I try to scan from Mac.
Some guidance would be appreciated.
Tried but no printer visible.
Any way you can help?
Is that a network model?
Thanks so much, this works perfectly!
I think there is a way to get to the installer log from the menu log when you have the installer running.
You could try this solved first step through security settings menu.
This has been a huge help!
Urgyen Thank you so much.
I now have to go through system preferences to scan, and had to adjust a few things, but now it works better than it did before.
Read the successes for scanner made by Canon mostly.
The printer does not appear in the scanner list with image capture or preview.
I used your Twainbridge and installed it, then downloaded twain driver from Ricoh website for Mtn Lion and installed them.
Tried restarting computer, disconnected Ricoh printer and reconnected it, started printer but no luck.
Any suggestions as to what is different with Ricoh?
This is not AirPrint compatible but has a Ricoh app that is supposed to work with iPad and iPhone.
Have not tried that yet.
Do I need anything else from the Ricoh site for Mtn Lion?
Thanks in advance for any insight into this.
A huge help after trolling the net and finding no solution from Canon.
Hey, I want to thank you very much.
With your package I could avoid to buy a new scanner.
This was working perfectly before the upgrade process.
Yes, no file is written when black and white is selected.
The scanner goes through the scanning process, but there is no file output.
I installed Twainbridge and it seemed to do the trick from Image Capture.
However, it creates toxic files.
First I scanned to jpeg and my computer spontaneously reboots when trying to open the jpeg file.
Then I created tiffs, which seemed ok.
When opening those jpegs my computer spontaneously reboots.
This is the only file installed from my installer.
Could this be the issue of your problem?
What is the reason for getting rid of twain?
I am assuming it was replaced by some new technology.
I wonder what twains replacement is?
It seems to have infected my computer.
Worked for me as well!
Rebooted and tried a few other things—no luck.
Showed up in the sidebar of Image Capture, and worked perfectly.
Just install and reboot and Image Capture will finally see the scanner.
You just made me a happy scanner again!!!
However I do not get an option to save the scanned document.
Which do you suggest and the link if possible.
Any help will be greatly appreciated.
Works on my wonderful old Canon 8400!
This sounds like it might be software dependent.
If not, you could try using VueScan, a quick google search make it seem like it might support scanning negatives.
Give some feedback if you have any luck ; Brilliant!
I had taken to cursing Canon and was about to start begrudgingly shopping for a new printer despite this one still working as well as the day I bought it years agoand a desperation Google search for a driver led me to you.
Thanks a million for creating this and sharing it!
I can scan from Photoshop and the default Apple software.
Thank you for providing this fix.
Jan, Thank you very much!
Works great for my Fujitsu Scansnap S500M on Yosemite 10.
I had started looking for another scanner since I ran out of options….
My scanner works fine mechanically, so why push people to waist resources?
Make sure you also try to reinstall TwainBridge and the driver.
Is that worth a try?
If so, can you advise where I should look for the file?
Several people have reported it working with Yosemite, so it should be doable.
It is plugged in and the usb is connected, but no apps are detecting it.
Have also tried Preview and Photoshop.
It was showing up before although was unusablebut I deleted it, in the hope that my macbook would detect it afresh, and that would solve the problem.
That was probably a massive error on my part.
I was expecting it to show up automatically if it was connected and plugged in.
Keep up the good work to beat obsolescence and help us keep using old but well make equipment.
I have an iMac running Yosemite 10.
Sometimes the pane contains data but greyed out.
Then I saw your note re.
Have you got an exact name so that I can find it via Finder?
Sucks that its not working.
Found it, trashed it and reinstalled but still no-go.
Thanks so much for publishing such an effective fix.
I was looking to fix the issue for quite two hours, before i found you help.
Glad I found your site.
Oops, I take that back.
Guess I wasted my time.
I think Image Capture by default saves the files in the Pictures folder in your home directory.
It scans but no file ever appears, and no application is activated.
I had to resort to a 10.
I hardly knew what I was doing, but I just followed your instructions as best I could, opened image capture, unplugged and plugged in the scanner again thanks for the troubleshooting tip!
In addition, it works through Image Acquire for me.
Not working through Vuescan for some reason.
Wiped my computer Yosemiteit was getting weird last term.
Last night I installed the 10.
I ran preview, it worked!
Ran Image Capture, it worked!
The toolbox is in the trash, but no big loss.
Thank you, Ted Thank you so much.
Why is there no direct fix from apple or canon?
Thank you very much for this awesome installer!!
Previously I could only use the CanoScan Toolbox software, which did work.
Now I can use the scanner with Preview and Image Capture as well.
First program to grab the scanner takes control, so I close the program, unplug the scanner, and the open the scanner with the new program.
Not enough word to say thanks.
Roy Thanks Jan Egil, now my Canoscan 8600F finally works with everything else than VueScan — good program by any standard, but nice to be able to use other things, like Paperless, etc.
I wish I had found it earlier!
I just tried this on a clean install of the latest public beta, and it seemed to install flawlessly.
I have not tried the scanner driver, and thus not any scanning yet.
I would like to use my Canon LidE 500F again.
I tried to download the package, but I cannot open it from the finder window.
Can you help guide me?
I got the pkg to install through the security settings on my computer.
Then I click ok on that error window, and the window that says it cannot open the driver comes up.
Great to see you figuring it out.
I installed the driver you spoke of.
Do I need to set something in the canoscan toolbox?
Ok…so sorry…I should have thought to reboot.
When I did, it worked!
Thank you so much for your solution!!!
I know every once in a great while, an older piece of software will not run in 64-bit mode.
I launched Image Capture again, and boom.
If any other folks are having issues, this may help.
At least I can use my scanner again and hope it will still work with El Capitan.
After searching and trying many approaches I almost gave up.
But your tool works perfectly.
You saved my perfectly functional 8400f from turning into a pile of e-waste.
Thank you for taking the time to help us all with this!
Will this Solution Thread resolve this Problem Have worked for others 8800f, so it should work for you also I guess.
You need to install an older twain scanner driver in addition to the package found here.
I downloaded the latest scanner software,which is actually from 2012 and installed the TwainBridge fix.
Also, I tried to find where the Twainbridge was installed but a search came up empty.
The mp610 has been a workhorse for years and years for me.
I got the scanner in my Canon mp610 to work.
After posting here, I decided to give it one more shot.
I added a new one in the Printer Pref with a driver from the mp990 which enables printing in Yosemite the mp560 driver also works.
I tried to scan through GraphicsConverter v.
On a whim I launched an old GraphicsConverter, v.
I think people have used the old Twain drivers from canon themselves.
I prefer using Image Capture and now it works!
Besides, using devices for as long as we can is the green way to go.
Any chance someone could give a clearer run down with exact links?
I am focussing on getting my scanner working, rather than printing.
Install both of them, a restart might be needed.
It worked with Yosemite 10.
Great to hear that sound.
This was a life saver!
I used it as part of a fix to get Brother scanner software properly running in Yosemite.
Thanks This driver is listed to be compatible with Yosemite, so I guess it should work without TwainBridge.
Did you go looking in image capture if you can find it?
Still I get the message that there is no scanner or camera connected.
Super frustrating as it was working great before Yosemite.
People can just follow the simple instructions here: The problem is that, again as you say, even after a successful install, the fix does not seem to work.
I know that you said that probably you were not going to pursue this issue very much, but if you can try, I believe all this thread would appreciate it very much.
And you would save a ton of perfectly good equipment from ending up in a landfill.
The issue is that this software has a really bad user interface.
Image Capture is much more friendly and simple.
People can just follow the simple instructions here: The problem is that, again as you say, even after a successful install, the fix does not seem to work.
I know that you said that probably you were not going to pursue this issue very much, but if you can try, I believe all this thread would appreciate it very much.
And you would save a ton of perfectly good equipment from ending up in a landfill.
Just gives me an easy way from all the nagging .
I have noticed some error message in the log can see this in log in console.
I think Apple has gotten more strict with signature checking in applications, but just another assumption.
I am not fancy enough to do Dtrace and stuffs.
Right now I have a machine with Yosemite and another with El Capitan.
Same procedure with El Capitan only shows Image Capture on the ps — see bellow.
Translation with Reverso: Hello, I am anxious to thank you, I had found nothing on Web to run my scanner Canoscan 8400F with Yosemite.
That lasted about 3 weeks until El Capitan came along : I will keep an eye out here hoping you can get it figured out.
Hate to toss a perfectly good scanner!
Thanks so much, it works!
I had tried before with with no success.
Success with my MacBook Pro Yosemite 10.
I was just about to give up the whole thing and purchase Vuescan.
I can now print from all apps and scan from image capture.
The installer ran successfully, I think.
However, I could not find the Twainbridge app installed using the finder.
I tried to re-install with the installer.
Image capture is not working.
Canon support response kudos to them for quick helpful response : Canon has decided not to create a driver for 10.
However, the Yosemite may work when it is reinstalled.
To delete the scanner driver, please follow the steps below: 1.
Open the Image Capture folder, then open Twain Data Sources folder.
Restart your computer, then empty the trash.
After the trash is emptied, restart your Mac.
Once your Mac has restarted, you can download the scanner driver by following these steps.
To download the file, click on the name of the file, check the box to agree to the terms, then press the Download button.
Next, click on the downloaded file and follow the prompts to install the new driver.
After this file is installed, attempt to scan to assure functionality.
I thought I was going nuts.
Canoscan 8800f to Yosemite 10.
I installed your download and the scanner was immediately found.
I had major problem at some point in the past upgrade to Yosemite?
After hours of trying and visiting this website I can now see my scanner canoscan lide 500f.
I have yet to get it working.
I meant to say a big Thank-you for getting me one step closer to reviving my relic that has sat since upgrading my computer years ago.
Fixed my problems with CanoScan 8800F on Yosemite.
I guess the gutenprint drivers might work.
I have used them on my linux computer before.
Give a shout if you try them and they work better.
Something about the settings seems a bit funky sometimes.
Also the different paper profiles and quality settings makes it more messy.
Too much anger and frustration with how Apple is progressing.
It is my lost files in iTunes that has been the biggest headache.
I now keep iTunes files on a separate hd; and i back it up regularly.
A long supporter, ran Mac school labs for twelve years until retirement, had complements on an early lab from an Apple team that came to see how our city was going to run an internet ring around our city.
I used to know what I was doing; now the changes seem to have no answers.
First it did not appeared in the scanner list in Acrobat Pro v.
I manage to scan a document.
My scanner is still not visible in Preview, in Capture, in Preference System, etc.
Thanks all for your constructive discussions, hope it will help.
Hi, running El Capitan 11.
Force quit, repeated, same thing.
Apple: did you consider the effect of this change on users like us?
Still having issues with my canon 4400F.
Thanks for the help including the other comments.
I finally got my CanoScan 8600f working under El Capitan 10.
Given that some people had success with 3rd party scanner software, I downloaded CanoScan Toolbox 5.
I ran the app and my scanner whirled into life!
The CanoScan Toolbox app is pretty terrible, but it works well enough for the amount of scanning I do.
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