A:AnswerNot likely (and I tested myslef to make sure), since this only just satisfies basic needs. That kind of functionality is normally found in their Multi-Function Laser Printers
A:AnswerYes. You can use the app to print stuff from your phone or just be connected to the same Wi-Fi network and print directly from your phone without the app.
A:AnswerYes, you can save a scanned photo/document to Dropbox. To use the scan feature on the Deskjet 4155e printer, you will need to use the HP Smart App which is free and accessible with a smartphone, tablet or computer.
A:AnswerThe scanning glass is 8.5x11.5 inches. The printer can scan or copy 8.5x15 inch documents if you use the document feeder on the top of the printer.