Previously, in order to scan documents or photographs, you had to buy a separate box that could only scan. The rest of the time, she simply took a place somewhere in the corner or even got in the way “on the aisle”. Then they became much thinner, but it was still a separate device. Over time, they migrated to the composition of multi function devices (MFPs) and were already in the same case with the printer. But now the time has come when they can be in the smart phone. I have an MFP, but I just recently tried to scan a document there and realized what I did right when I used it only as a printer. I continue to scan documents using my phone, and this is what I use.