Brother DCP-L8400CDN Basic User's Manual page 187

Model
Noise Level Sound
Pressure
Sound
Power
Temperature
Humidity
ADF (automatic document feeder)
1
Measured in accordance with the method described in RAL-UZ171.
2
Office equipment with L
concentration. Such equipment should be placed in separate rooms because of noise emissions.
DCP-L8400CDN
Printing Lp
Printing(Quiet Lp
Mode)
Ready Lp
L
1 2
Copying
(Colour)
L
1 2
Copying
(Monochrome)
Printing(Quiet L
Mode)
1 2 L
Ready
10 to 32 C
Operating
0 to 40 C
Storage
Operating 20 to 80% (without condensation)
Storage 10 to 90% (without condensation)
Up to 35 pages
For best results we recommend:
Temperature: 20 to 30 C
Humidity: 50% to 70%
Paper: 80 g/m
d>6.30 B (A) is not suitable for use in rooms where people require high levels of
WA
m = 55dB (A)
A
m = 52dB (A)
A
m = 28dB (A)
A
d = 6.73 B (A)
WA
d = 6.70 B (A)
WA
d = 6.40 B (A)
WA
d = 4.05 B (A)
WA
2
Specifications
DCP-L8450CDW
Lp m = 56dB (A)
A
Lp m = 53dB (A)
A
L d = 6.71 B (A)
WA
L d = 6.71 B (A)
WA
L d = 6.36 B (A)
WA
Up to 50 pages
D
179