My tech at Chipheads in Richfield said since the printer has an Ethernet port, you’d just need an Ethernet to WiFi adapter to make it wireless. He didn’t think the OEM Wireless Card that comes with the M476wn model could be added because that model wouldn’t have the internal antennas.
I had this HP LaserJet Pro 400 MFP M476dn in my home office during the pandemic, but it’s just to much printer to keep for personal use. My loss is your gain! I have brand-new ink to go with it … Black / Cyan / Magenta / Yellow, which retails for $513.78 alone through Staples. Retail on the multi function printer through Amazon is $849.99, so in total, this package is 50% off retail!
Feel free to call, text, e-mail (least checked) with interest and/or questions …