To erase volatile memory or buffered data, turn off the printer.
To erase non‑volatile memory or individual settings, device and network settings, security settings, and embedded solutions, do the following:

From the control panel, navigate to:
> Settings >
> Device >
> Maintenance >
> Out of Service Erase > 

Select Sanitize all information on nonvolatile memory, and then press
.

To start the job, select Continue, and then press
.

Follow the instructions on the display.