A:Answeryes, of course you can use it with a regular computer. you will need to have a USB cable to connect it to your computer, because it doesn't come with one, but they're cheap to buy.
A:AnswerThis printer uses the 65 black and tricolor ink cartridges: https://www.bestbuy.com/site/hp-65-2-pack-ink-cartridges-multicolor-black/5303000.p?skuId=5303000
A:AnswerYes, this printer is compatible with the Chromebook. You will need to use Google Cloud print. Here are more details: https://support.hp.com/us-en/document/c02817255
A:AnswerI had the same issue during setup. However, my WiFi provider has both a 5G setting and 2.5G setting that I can switch back and forth. So I switched to the 2.5 for iINSTALL ONLY, then switched back to 5 for everyday use and have no issues using the printer.