General information 1-7
7526
Acoustic specifications
All acoustic measurements are made in accordance with ISO 7779:1999—Accoustics: Measurement of airborne
noise emitted by information technology and telecommunications and reported in conformance with ISO 9296:
1988-04-15—Accoustics Declared noise emission values of computer and business equipment.
Lexmark has implemented features in the X748 Series MFPs that allow our customers to easily select various
operating modes in order to reach their sustainability goals related to environmental and noise pollution. These
new features are Eco Mode and Quiet Mode.
Operating mode Quiet Mode Off Quiet Mode On
Measurement
Sound
pressure
level (dBA)
Sound power
level (Bels)
Sound
pressure
level (dBA)
Sound power
level (Bels)
X746de
Simplex mono printing 59 7.1 49 6.5
Simplex color printing 59 7.1 50 6.5
Duplex mono printing 58 7.2 50 6.5
Duplex color printing 57 7.2 50 6.5
ADF mono copying 59 7.4 N/A N/A
ADF color copying 58 7.2 N/A N/A
ADF mono scanning 54 7.2 N/A N/A
ADF color scanning 54 7.2 N/A N/A
Standby mode 34 5.0 34 5
X748de/dte
Simplex mono printing 56 7.3 49 6.4
Simplex color printing 57 7.13 49 6.4
Duplex mono printing 56 7.2 50 6.4
Duplex color printing 57 7.1 50 6.4
ADF mono copying 57 7.5 N/A N/A
ADF color copying 58 7.2 N/A N/A
ADF mono scanning 54 7.4 N/A N/A
ADF color scanning 54 7.4 N/A N/A
Standby mode 34 4.9 34 4.9
To Next Page
Loading...
