Brother HL-7050N - Manual (Page 28)

ABOUT THIS PRINTER 1 - 9
HL7050_US_UG_FM5.5
Environment
Only use the printer within the following ranges of temperature and
humidity:
Possible operation range
Temperature: 10°C to 32.5°C (50°F to 90.5°F)
Humidity:
20% to 80% (without condensation)
Recommended operation range
Temperature: 17.5°C to 25°C (63.5°F to 77°F)
Humidity:
30% to 70% (without condensation)
The machine must be level within 5 mm (0.2 in.) both front-to-back
and left-to-right.
To avoid ozone building up, put this machine in a large well-
ventilated room.