How to Reset an HP P2015 to Default (3 Steps)

Turn off your HP LaserJet P2015 printer.
Press and hold the “Go” button located on the printer's control panel while turning the machine back on.
Release the “Go” button when the triangular “Attention” light on the control panel illuminates. The factory default settings for the printer will load once you have released the “Go” button on the control panel.