This model is a real PostScript-compatible device (the L-2520DW has only a GDI printer), which works a bit faster and of course also has a document feeder for the scanner. At first I thought, with my scan volume of perhaps a dozen or two pages a year would be a flatbed scanner is not so bad, but at the first trilateral document has vastly annoyed to have tigers between the computer and printer.
AirPrint, network scan, document feeder, duplex printing, etc. work perfectly; The printer wakes up at any time from deep sleep mode (consumption about 1.1 watts), he does not look too ugly, is not particularly loud, fast prints, the toner is not particularly expensive ... what more could you want?
In this respect, the clear advice to anyone who fluctuate between this model and the L-2520DW: provided wireless not necessarily have to be (my printer is right next to the router), is this one definitely worth the extra cost.