How do I connect/How to setup my 123 HP LaserJet Pro MFP m127fn to my computer? Connect your computer to the router in which you are going to connect your HP Laserjet Pro m127fn printer wirelessly.Make sure the router and the computer are connected wirelessly to the active network connection.Unbox your 123 HP hp laserjet m127fn. Step 1: Remove the printer from the box. The contents might vary by country/region. Step 2: Load plain paper in the main input tray. Step 3: Connect the power cord, and then turn on the printer. #123HpLaserjetProM127fn https://123hpcomsetups.org/123-hp-com-ljpro-m127fn/