A:AnswerSimply touch the icon (a drop symbol) on the printer screen and instantly there are the levels of each color of ink that is left in the cartridge.
A:AnswerPrints from any computer or tablet. Scans from the printer itself. I have not used the fax but the phone lines are on the printer itself so i would say the fax would come through the printer.
A:AnswerYou don't have to replace your ink until they're empty. You also don't have to replace them all at the same time. Just keep them handy until you start seeing messages that you're running out of ink.
You should also consider getting the shipment of HP Instant Ink less frequent. Sounds like you getting them more often than you're using the ink.
A:AnswerInstall the HP Printer Assistant. An icon of your 6830 will then be on the desktop double click and you can scan, fax see real time ink estimates.
A:AnswerStephanie, try this: paste the smaller paper on a piece of larger one 2 inches down and see what happens. Things like this you need to try by error.
Good luck.
A:AnswerI believe you haven't selected the Officejet Pro 6830 as your default printer in your system.
Go to settings in your computer or laptop and select this printer, otherwise they can't communicate.
Good luck!
A:AnswerIt does scan from ADF and converts all pages into a single pdf file. Many people in the review and answer section say it doesn't, I think they don't know what they are talking about.