A:AnswerYes, but I have it wireless. Works great, took a little time to figure it out. I actually went to your tube and saw how to do the paper tray pull out and where to put the paper in the back.
A:AnswerA4 size paper measures 8.27 x 11.69 inches
Letter size paper measures 8.5 x 11 inches
Learn more here: https://en.m.wikipedia.org/wiki/Paper_size
A:AnswerI'm sorry that you have experienced this issue. I recommend reaching out to HP Support so they can assist you. They have access to more tools to assist you. Here's the link to HP Support: http://support.hp.com/us-en . Click "Contact HP" at the bottom left of the page. Alternatively, you can reach them by phone at 1-800-474-6836.
A:AnswerYes this will work with Mac and HP Chromebooks.
Here are the Mac OS X requirements:
OS X v10.11 El Capitan
OS X v10.10 Yosemite
OS X v10.9 Mavericks
OS X v10.8 Mountain Lion
A:AnswerYes, you can scan using the Chromebook. You will want to use Google Cloud Print and the HP Smart App. Here are more details about Google Cloud Print.