Question about Brother MFC-7820N Laser Printer

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Scanner locked Makes ratcheting sound but goes back to "scanner locked" error message

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  • rsullivan601 Feb 03, 2009

    Tech said may need to lubricate shaft or new motor. Would like to try to lubricate shaft but cannot remove the scanner bed. Need just a little hint how to get it apart.

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Look for a switch, or lever to unlock the scanner (behind it, maybe under the lid)

Posted on Feb 02, 2009

  • Kim Tyler Feb 02, 2009

    if that is not it,

    then you will need parts

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Unless you forgot and tried to use it locked…then unlocked it after, it seems unlikely that changing the ink could directly affect anything related to the scanner. So especially if it still scans and now just makes more noise then before, we can reasonably say it isn’t a faulty locking mechanism and that the gears are probably not stripped, which would either stop it or not. So you’re looking at either something simple like the gear assembly being dry, shifted slightly, etc. or the safety by the lock that makes noise to tell you the device is locked is stuck somehow. The one can be tested by removing the little plastic safety that makes the noise when the scanner is turned on and locked; the other you might be able to test with some WD40 and see if it runs quieter.

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