A:AnswerYou may use this monitor as a tv, and as long as it has the appropriate amount/type of cables & inputs available to house the other media, you should be able to.
A:AnswerYes it will work without wi-fi.
There is a USB port on the printer. Not sure if it comes with the cable or not.
https://h10025.www1.hp.com/ewfrf/wc/document?docname=c02526543&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=my&product=4066429&aoid=null&lang=en