Lexmark x 748dte User Manual

Page of 107
Printer specifications
Airflow requirement
The 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.
Status
1-meter average sound pressure, dBA
C746
C748
X746
X748
ADF color copy
Not applicable
Not applicable
58
58
ADF color scan
Not applicable
Not applicable
54
54
ADF mono copy
Not applicable
Not applicable
59
57
ADF mono scan
Not applicable
Not applicable
54
54
Idle/ready
32
32
34
34
Printing (duplex
color)
55
55
57
57
Printing (duplex
mono)
54
53
58
56
Printing (simplex
color)
54
55
58
57
Printing (simplex
mono)
53
54
59
56
Quiet mode printing
(simplex color)
48
48
50
49
Quiet mode printing
(simplex mono)
48
47
49
49
Quiet mode printing
(duplex color)
Not applicable
Not applicable
50
50
Quiet mode printing
(duplex mono)
Not applicable
Not applicable
50
50
Note: Measurements apply to 300
‑dpi, 600‑dpi, and 1200‑IQ printing.
Status
Declared sound power level, bels
C746
C748
X746
X748
ADF color copy
Not applicable
Not applicable
7.2
7.2
ADF color scan
Not applicable
Not applicable
7.2
7.4
Note: Measurements apply to 300
‑dpi, 600‑dpi, and 1200‑IQ printing.
Printer specifications
18