Power the printer Off for one minute and power it back On.
Check on the type of wireless card installed in the printer.
Note: Please refer to the Additional Information for the wireless card model type.
Check the wireless card and wireless router:
Restart the wireless router.
Make sure to check the wireless card model type as provided in the pictures below.
MarkNet N8350 and MarkNet N8360
Note: These wireless models are easily identified by the rubber antenna sticking up outside of the printer.
LEGACY ID: SO8858
How to Install the MarkNet N8370 802.11ac Wireless Print Server
Security options against FragAttack