Acoustic Specifications - Lexmark X746de Service Manual

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.
Operating mode
Measurement
X746de
Simplex mono printing
Simplex color printing
Duplex mono printing
Duplex color printing
ADF mono copying
ADF color copying
ADF mono scanning
ADF color scanning
Standby mode
X748de/dte
Simplex mono printing
Simplex color printing
Duplex mono printing
Duplex color printing
ADF mono copying
ADF color copying
ADF mono scanning
ADF color scanning
Standby mode
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.
Quiet Mode Off
Sound
Sound power
pressure
level (Bels)
level (dBA)
59 7.1
59 7.1
58 7.2
57 7.2
59 7.4
58 7.2
54 7.2
54 7.2
34 5.0
56 7.3
57 7.13
56 7.2
57 7.1
57 7.5
58 7.2
54 7.4
54 7.4
34 4.9
Quiet Mode On
Sound
Sound power
pressure
level (Bels)
level (dBA)
49 6.5
50 6.5
50 6.5
50 6.5
N/A N/A
N/A N/A
N/A N/A
N/A N/A
34 5
49 6.4
49 6.4
50 6.4
50 6.4
N/A N/A
N/A N/A
N/A N/A
N/A N/A
34 4.9
General information
7526
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