After initializing NVM and restarting the printer, all menu parameters or data (except network parameters) will be reset to their.
Factory default value.
1 Press the (Menu) button.
2 Select the Administration menu, and then press the button.
3 Select the maintenance mode and press the button.
4 Select Initialize NVM and press the button.
5 Make sure that "Are you sure" is displayed? , and then press the button. The printer starts initializing the non-volatile memory (NVM).
When the message is initialized. Please turn off and reopen the printer to apply the settings.