5Installation SiteInstallation EnvironmentIn order to use this printer in a safe and comfortable manner, install the printer ina place that fulfills the following conditions.IMPORTANTBefore installing the printer, be sure to read "Important Safety Instructions"(See p. 8).● Use power supplies rated for voltages in the following ranges.120 to 127 V 60 Hz● The maximum power consumption is 1,240 W or less.Before connecting the printer to the power supply, make sure that the powersupply is safe and its voltage is stable.● Use the printer in a location where the temperature and humidity are in thefollowing ranges.Ambient temperature: 50 to 86°F (10 to 30°C)Ambient humidity: 10 to 80 % RH (no condensation)IMPORTANTWater droplets (condensation) may form inside the printer under thefollowing circumstances. Leave the printer for two hours or more to adjustto the surrounding temperature and humidity before using it. If waterdroplets form inside the printer, the paper transport path will not functionproperly, and this may result in paper jams, damage to the printer, orprinter error.- When the room where the printer is installed is heated rapidly- When the printer is moved from a cool or dry location to a hot or humidlocationNOTETo customers using an ultrasonic humidifierIf you use an ultrasonic humidifier in conjunction with tap water or wellwater, impurities in the water will be dispersed through the air. These canbe trapped inside the printer, causing degradations in printing quality.When you are using these humidifiers, it is therefore recommended thatyou use purified water or other water that is free of impurities.● Install the printer in the following locations.- A location where sufficient space can be secured- A well-ventilated room- A flat, even surface- A sturdy platform that can easily support the weight of the printer and optionalaccessoriesWARNINGDo not install the printer near alcohol, paint thinner, or otherflammable substances. If flammable substances come into contactwith electrical parts inside the printer, it may result in a fire orelectrical shock.CAUTION• Do not install the printer in the following locations, as this may resultin a fire or electrical shock.- A damp or dusty location- A location exposed to smoke and steam such as cookeries andhumidifiers- A location exposed to rain or snow- A location near water faucets or water- A location exposed to direct sunlight- A location subject to high temperatures- A location near open flames• The weight of the printers is as follows.Be sure to install the printer on a sturdy platform that can easilysupport the weight of the printer and optional accessories. Do notinstall the printer in unstable locations, such as unsteady platformsor inclined floors, in locations subject to excessive vibrations, or onthe upper row of a computer rack, as this may cause the printer to fallor tip over, resulting in personal injury.DefaultWith the tonercartridges anddrum cartridgesinstalledWith the optionalpaper feeders (3units) installedLBP5975 Approx. 115.7 lb(52.5 kg)Approx. 135.4 lb(61.4 kg)Approx. 208.1 lb(94.4 kg)LBP5970 Approx. 106.9 lb(48.5 kg)Approx. 126.5 lb(57.4 kg)Approx. 199.3 lb(90.4 kg)