Positives:
+ Easy installation even under OS X (Yosemite) CD in and install
+ Very fast and quiet Printers
+ Looks in black from well
+ Good b / w printing results
+ Fleet and very clear Webadminseite (even under OS X Firmwareupdete)
+ AirPrint app "Print to Dell" works perfectly (tested with iOS beta 8)
+ 2 watts in standby
Negatives:
- Scan and Save to PC is only possible using the software "Dell Printer Manager"
- Only 1-sheet feeder on the front of the MP tray
- Toner / drum cartridge expensive (90 EUR)
Would that part definitely buy again