Ok so the title says it all, i have an sp 3400 that had some dust under the glass so it wasnt scanning the white strip properly, so i took unit apart cleaned glass, and blew the dust which my mouth off the scanner unit, re-assembled, and when i turned it on it says the scanner lock error, unlock it and hit ok.
I have looked through the OP, the SM and Parts C. and google searched and I can't find any solution, the manual doesnt even have that error in it, i checked for some switch or something all around the unit for packaging that might lock the scanner, i took the damn thing apart again and put it back on, still says locked.
Its been a 12 hour day and I am still working on this so sorry if this is something simple my brain is just done for the day.
Thanks guys
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