I have the printer now for about two Wohen and the toner cartridge empty fairly quickly. Maybe it's because the cartridges that are gliefert with the device, not completely full are (one knows from other printers). Since the cartridges - at least the Originlpatronen - are quite expensive, I wil use the device to limit and unfortunately but my old b / w laser printer for the daily routine (correspondence and the like..) Use next.
But one thing I have to leave the device: The 4c-print image is impeccable!