A:AnswerYes, the HP Deskjet 2755 printer will work with the MacBook Air. You will need to purchase the paper.
This 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 the model at www.hp.com/go/learnaboutsupplies
A:AnswerYes, you should have no problem using the 2755 overseas. It's capable of handling up to 240 volts AC, although depending on where you go, you may need an adapter to fit the power cord into the socket. And yes, the HP Smart app will work for things like printing and checking ink levels on the printer. Some of the functions that require the app to access the HP servers may not function or may be slower than you expect.
A:AnswerThe HP Deskjet 2755 printer is compatible with the Asus Chromebook. Once you connect the printer to your wireless network, then you can set up the printer on the Chromebook. Here are some instructions on how to connect the printer to the Chromebook: https://support.hp.com/us-en/document/c04122530
A:AnswerIt doesn't do it automatically, but you can do it manually by printing the odd numbered pages, flipping the paper and reinserting it, and then printing the even numbered pages.
A:AnswerThe Deskjet 2755 Maximum dimensions (W x D x H, U.S. standard) 16.7 x 21.5 x 9.8 inch (Output Extension fully out) The output tray extension is about 7 inches and can be closed until you need to print.