HP LaserJet Pro 400 color Printer M451 series - Manual (Page 216)

Physical specifications
Table C-1 Physical specifications
Product Height Depth Width Weight
Non-duplexing model 322 mm (12.7 inches) 454 mm (17.9 inches) 405 mm (15.9 inches) 22.70 kg (50.0 lb)
Duplexing model 322 mm (12.7 inches) 484 mm (19.1 inches) 405 mm (15.9 inches) 23.9 kg (52.7 lb)
Power consumption, electrical specifications, and
acoustic emissions
See www.hp.com/support/LJColorM351 or www.hp.com/support/LJColorM451 for current information.
CAUTION: Power requirements are based on the country/region where the product is sold. Do not
convert operating voltages. This will damage the product and void the product warranty.
Environmental specifications
Table C-2 Operating-environment specifications
Environment Recommended Allowed
Temperature 17° to 25°C (62.6° to 77°F) 15° to 30°C (59° to 86°F)
Humidity 30% to 70% relative humidity (RH) 10% to 80% RH
Altitude Not applicable 0 to 3048 m (0 to 10,000 ft)
198 Appendix C Product specifications ENWW