We have a Sharp MX-B401 that keeps popping an E7-11 error code. We have already tried the basics of cleaning all of the optics and even putting a white piece of paper where it makes the reference.
E7-11 Code on MX-B401
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[Error Code] E7-11 Code on MX-B401
It does not matter how slowly you go as long as you do not stop. –Confucius
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Re: E7-11 Code on MX-B401
Did you update/ reflash the firmware as well? Try that first
I'd be leaning towards replacing the CCD if you've verified a clean optics and a white reference point. The CCD is a pain to remove so you may just decide on a whole scanner unit.
After installing the part do another firmware update.
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