A:AnswerThere is a tray on the backside of the printer that you need to pull up. Then, you can put the paper in. Here are some instructions: https://support.hp.com/us-en/document/c05370863
A:AnswerYes, this printer will work with the Chromebook. You would use Google Cloud Print. Here is more info: https://support.hp.com/us-en/document/c02817255
A:AnswerThis printer comes with setup cartridges in the box. The yield of setup cartridges varies by model, but tends to be enough to get the average user through setup and initial printing jobs. You can learn more about Ink and Toner by model at www.hp.com/go/learnaboutsupplies