Lexmark C720 Guia De Referência

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Specifications
7-1
CHAPTER 7: Printer Specifications
This chapter lists printer specifications and information about hardware, 
environmental conditions, and power requirements.
Airflow Requirement
Room should meet ASHRAE 62-1989 standards.
Noise Emission Levels
The 
following 
measurements 
were 
made 
in 
accordance 
with 
ISO 
7779 
and 
reported 
in 
conformance 
with ISO 9296.
Table 7-1:  Noise Emission Levels
Status
1-Meter Average Sound Pressure, dBA
C720
C750
C910
E320, 
E322
J110
T420
T520
T522
T620
T622
W812 W820
Printing
51
51
58
49
52
51
49
51
51
55
52
54
Standby
(Idle without Power Saver)
45
42
48
35
background
30
30
30
30
31
32
33
Status
Declared Sound Power Level, Bels
C720
C750
C910
E320, 
E322
J110
T420
T520
T522
T620
T622
W812 W820
Printing
6.6
6.6
7.4
6.3
6.4
6.5
6.4
6.4
6.5
6.8
6.57
6.8
Standby
(Idle without Power Saver)
6.1
5.5
6.4
4.6
background
4.2
4.2
4.2
4.4
4.6
4.5
4.3