Hi @Rita78 ,
Welcome to the forum, please read the post below in order to access the printer through wifi. There are many others whether you search in the forum with the words wifi printers.
‘Unable to connect to Wifi printer - #20 by andreas85’
Search in the post this words.
Try opening the printers web interface
http:://printerip
I am assuming you have the necessary packages installed for printing?
Open the cups interface at localost:631 and change the printer port to ipp://printerip
Hope it help,
Regards