Question about Visioneer OneTouch 8920 Flatbed Scanner

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Will not scan. Scanner hardware is unlockedl

I have a visioneer onetouch 8920. It has worked ok up to now. It now will not operate. I get an error message saying that I need to unlock the scanner hardware. I have unlocked the scanner hardware and I still get the same error message. What do I need to do?

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  • Jeremy2112 Mar 22, 2009

    Scan begins and then abruptly stops, stating to make sure that it is unlocked.

  • Jeremy2112 Mar 25, 2009

    I was in goodwill the other day, they had a PLETHORA of these. Time for the trash heap with this one.

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I don't know what your electronics skill level is, but if you feel up to it, try taking the scanner apart and using a jumper wire to close the circuit so that the scanner is permanently unlocked. At least on a scanner this old you do not need to worry about voiding any warranty...

Posted on Apr 02, 2009

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Posted on Jan 02, 2017

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I have upgraded to Windows 7. Where can I get drivers for Visioneer One Touch 8920 Scanner?


You can't. This is an older model, "end of life" per Visioneer, and they never released drivers for any system later than XP. If the XP drivers don't work, you'll need to replace the scanner with a newer model.

Jan 17, 2011 | Visioneer OneTouch 8920 Flatbed Scanner

1 Answer

Visioneer OneTouch 8920 won't connect


If it is a usb device and it doesn't sees it ..just change the port until it sees it ...
Another thing to do is to go to control panel and run the add new hardware wizard...You can run the driver first to be sure it is in the system and after that run the wizard ..., but in a normal way it should see the usb unknown device and try to install it auto...
if it is not a usb device ..just connect it ...go to device manager by right click on the My computer icon ...properties./hardware /device manager ....here you should see the printer in yellow color and with a ask sign meaning that its missing the driver ...If you do not see it ...just right click on computer in D manager ///and choose scan for hardware changes..it should bring it to sight ..
after that right click ..and update driver ...if the driver s not an installer just browse from the update driver wizard to the location of the folder with the driver and it will take it ...
let me know if it is anything else...BY the way ..be sure the printer it is powered and on...before trying to install it ...otherwise it will not see it ..
Have a nice day and please do not forget to rate if it was helpful...

Feb 01, 2010 | Visioneer OneTouch 8920 Flatbed Scanner

1 Answer

How do I scan slides with the Visioneer 8920?


In the Twain window at the top is a dropdown menu where you can select 35mm slides. That gives you two choices of resolution at 1200 or at 2700 dpi, plus a custom setting option.

Apr 28, 2009 | Visioneer OneTouch 8920 Flatbed Scanner

1 Answer

Visioneer one touch 8920


The scan motor is straining against somethinmg - so re do the lock/unlock routine and carefully examing the machine and the manual - usually in PDF on the software disk.

Oct 15, 2008 | Visioneer OneTouch 8920 Flatbed Scanner

1 Answer

Unlock code 10


read on another site, get a new power cord.

Mar 12, 2008 | Visioneer OneTouch 8920 Flatbed Scanner

1 Answer

Visioneer 8920


I have had this very problem with 2 of these scanners (8920) and finally figured out what happens is that the cheap chinese power supply loses power over time and then finally gives out. Before it fully gives out it doesn't have enough power to scan properly but will still turn the scanner on. Symptoms range from terrible scans with noise to the dreaded "scanner is locked" error. I got a new power supply from radioshack - 12 VDC at 1.5A (1500 MA) and it works like brand new! Make sure the power supply can deliver the full 1.5 A of the original! This is very important.

Jan 22, 2008 | Visioneer OneTouch 8920 Flatbed Scanner

2 Answers

Error message


Get another scanner. Check whether the lock has not been enabled at the bottom of the scanner. This has happened with me as well and a known Visioneer problem.

Sep 19, 2007 | Visioneer OneTouch 8920 Flatbed Scanner

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