he printer posts an error code 84x.xx - where “x” denotes any numbers from 0 to 3 as listed among the following examples:
An 84x.xx means that the printer's scanner is either disabled or failing.
Note: If the error persist, please contact Lexmark Technical Support to guide you with the appropriate troubleshooting steps.
LEGACY ID: SO8712
Here are steps to troubleshoot a 84x.xx error on a MX321, MX421, MX521, MX522, or MX622 printer.
Printer showing 843.00 or 843.01 Scanner Error