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Replaced the HDD, and wiped the operation memory. Fixed.

Tried replacing the LSU assy. Still getting the L8-20. Has anyone seen this issue before?!

Techs have updated firmware, replaced both Main Control and MFP Scanner Mother pwb's, as per the Service Manual. I've scanned this Forum for the code, but only found 'older' models that reflected...

Yes, sorry....I did 62-11 actually. Fat fingered! Doc Filing Data clear.

Ran Sim 63-11 to clear the document filing data. Performed the Dip Sw again, Sorry it did not work. Thanks for the effort!

I reset the Admin password thru the 'Dip Sw' setting for 24-30, which was successful on screen, but still would not let me Login admin without getting the 'Operation Disabled' message still. I...

I can’t access the machine settings from either the Webb or on the panel.
Replacing the MFP pwb, CF Rom, and Flash did nothing for the issue except fix the link lite issue. Storms came through...

Cannot get into settings can’t web into machine

I have a Sharp MX 3640 giving a message "Operation is Disabled. Please see your administrator". I cannot web into machine. Screen will not change from this message. I've replaced the MFP pwb...

No, I did not replace the ribbon cable....will give it a try.

The scanner will move normally and lite up for the scan.

There is an Image using ADF, No image when using original on glass. Have already replaced CCD, lamp assy, Overall control pwb, scanner pwb, and updated firmware.