For M6800/M7200 Series printer, Here is the way to recover factory default setting in case customer
forgets the password:
Select’ NO3-Restore set’ by page down
Select’ NO2-YES’, and it will be done.
Step1: Please select ‘Menu’
Step2: Select’ NO.2-System set’ by page down button
Select’ NO3-Restore set’ by page down
Select’ NO2-YES’, and it will be done.