Brother DCP-9055CDN Basic User's Manual page 127

Temperature
Humidity
ADF (automatic document
feeder)
Sound pressure
Operating (Printing):
Standby:
Operating: 10 to 32.5C
Storage: 0 to 40C
Operating: 20 to 80% (without condensation)
Storage: 10 to 90% (without condensation)
Up to 35 pages (Staggered) [80 g/m
Specifications
LPAm = 57 dB (A)
LPAm = 33 dB (A)
2
]
D
119