It usually is marked either with a sticker or sometimes with a stenciled mark like something.
a network card is a device which usually connects a computer to a network (LAN). A computer has two categories which make it a computer:
Hardware
Software
A network Card is from the Hardware part of the computer.
Viruses spread when the software or documents they get attached to are transferred from one computer to another using a network, a disk, file sharing methods, or through infected e-mail attachments. Some viruses use different stealth strategies to avoid their detection from anti-virus software.
Answer:
If this printer can connect to a device wirelessly, then you can configure it through our mobile device. If not , try to click either the button above the yellow lights or below and see if that works.