User Guide

Noise
(measur
ed in accordance with ISO 7779, declared
noise emission in accordance with ISO 9296)
LwAd (Declared A-weighted sound power level (1 B = 10 dB))
- MF249dw / MF247dw
During standb
y mode: Inaudible
*5
During printing: 6.6 B or less (1-sided)
During printing: 6.6 B or less (2-sided)
- MF236n
During standby mode: Inaudible
*5
During printing: 6.5 B or less (1-sided)
LpAm (Declared A-weighted emission sound pressure level (Bystander
position))
- MF249dw
During standby mode: Inaudible
*5
During printing: Approx. 51 dB (1-sided)
During printing: Approx. 52 dB (2-sided)
- MF247dw
During standby mode: Inaudible
*5
During printing: Approx. 52 dB (1-sided)
During printing: Approx. 52 dB (2-sided)
- MF236n
During standby mode: Inaudible
*5
During printing: Approx. 51 dB (1-sided)
Acceptable Documents
Supported Document Types(P. 647)
Acceptable Paper Stock
Paper(P. 649)
Printable Range
Printable Area(P. 650)
Scan Range
Scan Area(P. 648)
*1
The curr
ent value displayed on the rating label indicates average current consumption.
*2
Warm-up time may vary depending on the use conditions and environment of the machine.
*3
The value indicates the mass of the main unit including toner cartridges.
*4
MF249dw / MF247dw only.
*5
Indicates that the sound pressure level of each bystander position is below the ISO 7779 absolute criteria for the background noise level.
Appendix
645