Brother 1870N - HL B/W Laser Printer, User Manual

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Use the printer only within the following ranges of temperature and humidity:
Ambient temperature: 10°C to 32.5°C (50°F to 90.5°F)
Ambient humidity: 20% to 80% (without condensation)
Do not block the air exit on top of the printer. Do not place objects on top of
the printer, especially on the air vent.
Ventilate the room in which you use the printer.
Do not put the printer in direct sunlight. Use a blind or a heavy curtain to
protect the printer from direct sunlight if you have to put the printer near a
window.
Do not install the printer near devices that contain magnets or generate
magnetic fields.
Do not drop, bang or shake the printer. Do not expose the printer to open
flames or salty or corrosive gases.
Put the printer on a flat, horizontal surface.
Keep the printer clean. Do not install the printer in a dusty place.
Do not install the printer near an air conditioner.
Do not put the printer where the air vent of the printer can be blocked. Keep
a gap of approximately 100 mm (4 inches) between the air vent and the wall.