Brother MFC 7840W - Manual (Page 167)

Specifications
153
D
Temperature Operating: 50 ° F to 90.5° F (10 to 32.5° C)
Storage: 41 ° F to 95° F (5 to 35° C)
Humidity Operating: 20 to 80% (without condensation)
Storage: 10 to 90% (without condensation)
ADF (automatic document
feeder)
Up to 35 pages (Staggered) 20 lb (80 g/m
2
)
Recommended Environment for Best Results:
Temperature: 68
° F to 86° F (20 to 30° C)
Humidity: 50% - 70%
Paper: Xerox 4200 (20 lb/Letter)
Paper Tray
250 Sheets 20 lb (80 g/m 2 )