Network NVRAM reset for Lexmark E322 Hardware.Printers Royally Dirty Kludge, Fix This will reset the printer's network interface when it has an IP address of 0.0.0.0. On the network interface panel on the back, where the network cable goes: 1. Press and hold Test until all four lights come on, then release. 2. Wait until bottom two lights come on, top two off, then press Menu. 3. Wait until second light from the bottom comes on, then press Menu again. Lights should return to their scrolling up & down pattern, and NVRAM should be reset.