Visioneer onetouch 8920 scanner states it is locked. It is not.
I have tried to slide the lock/unlock switch under the front of the machine, it still states locked.I have a Visioneer one touch 8920 scanner which stopped working due to it claiming that the hardware lock was on, when it was not. So I bought a new one. Now the new scanner starts to scan, moves a few millimeters, then stops and a dialogue box appears. Asking:- "Please check that you have unlocked the scanner hardware ----------- click O.K. after you have unlocked the scanner." Even though the lock is not on this problem repaets itself and I cannot proceed beyond this point!
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Re: visioneer onetouch 8920 scanner states it is locked. ...
Welcome to Fixya! Have you tried Unlocking the Scanner and then Disconnecting all of the Cables and Power, Uninstalling and Reinstalling the Software, Reboot PC, Plug all Cables and Power Back in and Run Set up in the Software. Sometimes this will reset the Problem. Please Rate My Response! Thanks!
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The locking tab protects the scanner's scan head by holding it
securely in position. Lock the scanner when transporting it from one
location to another, but always remember to unlock it before
scanning. The scanner will not scan when locked
Looking the bottom, upside-down, with the back/bottom (power cord side) down.
The lock is in the upper right corner. It is a slide style tab. Move up to unlock the bed.
Look on the users installation guide page 7 for illustration.
Need the guide, just ask.
Please let me know if this answers your question. OK
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Does the scanning carriage move at all when the scanner is starting up? If not, then it might have stuck and needs to be moved back and forth a couple of times manually to loosen in, with the power not applied of course, and for that you would have to remove the glass most probably. Also observe if the belt that moves it is properly attached to the carriage, placed over the motor gear and the support gear at the other end. Of course the motor itself might have failed, or it's control electronics.
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...
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...
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.