Question about Apple Canon CanoScan N670U Flatbed Scanner

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Canoscan lide 20 Error; Release the lock switch, detach the USB cable and reconnect. Scanner driver will be closed.

I have a canon lide 20, whenever I try to scan, a window appears;

ScanGear CS
Release the lock switch, detach the USB cable and
reconnect.
Scanner driver will be closed.

I uninstalled all the related softwares and reinstalled them but it didn't work.
I installed the newer drivers from the canon website but still I have the problem.
I downloaded the Vuescan software and guess what, it surprisingly started to scan! Now I again tried to scan in arc photostudio, the error came again.
Now I'm scanning the registry with RegCure software.

Can you please suggest me something?

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  • 1 more comment 
  • del3 Jan 06, 2009

    Same issue for about 2 months.  Works sometimes, next time not. On MAC OSX 10.4.11  changing the switch doesn't fix it; reboot sometimes does

  • hieubeo19 Mar 26, 2009

    My USB is blocked by KAVPERSKY. How to release it. I just can copy files, read files. But I can't cut and delete them. Tell me: what should I do?

  • george_spamh
    george_spamh Feb 07, 2014

    I keep locking/unlocking/plugging/unplugging & nothing makes any difference, I keep getting the same error message, code 2,178,0. It seems to run through the scan before the message. When it's locked though, the scan doesn't start.

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6 Answers

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Hi.. there is a lock under the scanner you need to unlock it... lock it to prevent damage while transporting...

Posted on Mar 31, 2013

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Release the lock switch, detach the USB cable and
reconnect.
Scanner driver will be closed.

I uninstalled all the related softwares and reinstalled them but it didn't work.
I installed the newer drivers from the canon website but still I have the problem.
I downloaded the Vuescan software and guess what, it surprisingly started to scan! Now I again tried to scan in arc photostudio, the error came again.
Now I'm scanning the registry with RegCure software.

Posted on Dec 26, 2012

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Open scanner and full service all parts
and clean dust and west
use service oil and past steel road
and fix all scanner part when ready ur scanner

Posted on Apr 03, 2009

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Hey there i m also having the same i do whtever you told reassemble and clean all parts but still i have same problem. You know luckely its working for some time. someone have proper and best solution for this problem please tell

Posted on Jun 03, 2013

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Where place of the "Lock Switch" i want to unlock becuse i get problem for that

Posted on Apr 22, 2010

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Discovered that if I close M. Entourage, unplug & replug scanner USB, it will work

Posted on Jan 15, 2009

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Canon ScanGear CS driver error Code: 2,252,0 - Can't preview Actually I have the Canon CanoScan LiDE 80 Flatbed Scanner - but this wasn't presented as an option, so I thought I'd try the nearest...


Hi,

Canon ScanGear CS driver error Code: 2,252,0. Error when trying to Preview scan using ScanGear in your program, e.g. Word, PhotoShop...

I had the same problem, Canon Technical were clueless on this error code. Yes the problem occured when trying to preview first however I could scan but without any preview, pointless really.

I have fixed it for Windows Xp SP3, Canon Lide 80. To Fix:

You need to download the latest ScanGear driver and Deldrv.exe from the canon website. You don't need the Toolbox, http://software.canon-europe.com/

It would help if you have Tuneup 2009 (even Trail version) for the later parts of this fix: http://www.tune-up.com/download/ just click download, you don't need to give them your email address.

1. Save these on C:
2. Remove the USB cable from your scanner - make sure it is unplugged.
3. Run Deldrv.exe, select your scanner and uninstall.

4. Now you will need to go into 'C:/WINDOWS/TWAIN_32' folder; you must remove anything in this folder - safest thing to do is CUT any items and paste them on the C: or personal folder.

5. Now the register parts - you need to purge your registry of any left over values. I found out after several attempts that this final step fixed the problem for me.

Basically through Windows XP Regedit or TuneUp Reg Editor search the ENTIRE registry for first 'ScanGear', second, 'Canon' and third if you have installed previously, 'Canon Toolbox'. Find any entries relating to any Canon scanner software and delete them. I only found around 6 or 7 entries to remove.

6. If you have TuneUp run '1-Click maintence' (correct problems) and afterwards run the 'Register defragger'. Restart.

7. On the next bootup your register should be optimised. Ok, disable any Anti-virus software.

8. Run the scangear setup winzip file you saved on C:. * it will extract a folder to C:. If get an error with the extraction, try running it anywhere else except C drive. Alternatively if you have WinRar, right click and manual extract contents. The scangear setup winzip file/folder (called lide80vst7250a_xpen) only contained a readme and setupSG.exe.

9. You must run the setupSG inside this folder. And you're done. Enable your anti-virus.

9. Now connect USB to scanner, Windows should pick it up. Open Word or PhotoShop > run the scangear program to preview.

10. Done! It worked my end.

Please let me know if this helped you.

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Locker


Had same problem with the 'release the lock switch' garbage. Didn't know where the faaaark the sodding release switch was anyway but gave the scanner a good whack on each of the front corners.....problem fixed.

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