HP color LaserJet 2500 printer. Warm-up time: Instant-on fuser with no warm-up time.. Power consumption (typical): 220 V model (maximum): 0 watts (off), 31 watts (ready/standby), 403 watts (printing). Number of power supply units: 1 internal, Power supply: ingangsspanning 220 - 240 V (± 10%), 50/60 Hz (± 2 Hz), Recommended humidity operating range: 20 to 70% RH