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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