The Brother MFC-L3720CDW is the step the thread's Brother-only consensus does not usually take: color. It is a full all-in-one, adding a color laser engine, fax, and a touchscreen to everything the DCP-L2640DW already does, for anyone whose job actually needs color pages.
The 3.5 inch touchscreen handles up to 48 shortcuts and connects directly to Google Drive, Dropbox and OneNote, so scanning to the cloud does not require a computer. It prints at up to 19 pages per minute, scans up to 29/22 images per minute (black/color), and automatic duplex plus a 50-sheet auto document feeder carry over from the cheaper picks. It is ENERGY STAR compliant and EPEAT Silver rated.
Color is the expense here, in the printer's price and in toner going forward: color laser cartridges cost more than mono ones, and there are four of them, black, cyan, magenta and yellow, instead of one. Print speed drops to 19 ppm from 36 on the value pick, since color passes take longer than mono. And at 44 pounds, this is a printer you place once and do not move.