HP TopShot LaserJet Pro M275 MFP - Manual (Page 163)

Restore the factory-set defaults
1. On the product control panel, touch the Setup button.
2. Scroll to and touch the Service menu.
3. Scroll to and touch the Restore Defaults button, and then touch the OK button.
The product automatically restarts.
ENWW Restore the factory-set defaults 153