4. How to Restore Factory Setting on M6800/M7200 Series Printer?
Click menu and to choose number by 'page down' on the below control panel.
Step1:
Click"NO.2-system set" by 'up and down' button in the menu setting, and then chose "OK"
Step2:
Click "NO.3- Restore set" in the menu setting--------"ok"
Step3: