Ricoh Priport DX 4640PD Operating Instructions Manual page 228

Specifications
❖ Noise Emission
Sound power level
Stand-by
During printing (One-sided)
During printing (Two-sided) 120 cpm
Sound pressure level
Stand-by
During printing (One-sided)
During printing (Two-sided) 120 cpm
*1
The above measurements made in accordance with ISO 7779 are actual value.
*2
It is measured at the position of the operator.
❖ Power Consumption:
• Making a master:
Less than 0.450 kW
• Printing:
Less than 0.320 kW (when one-sided printing speed is 135 cpm)
Less than 0.390 kW (when two-sided printing speed is 120 cpm)
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216
*1
Printing speed
--
135 cpm
*2
Printing speed
--
135 cpm
Noise emission
53dB (A)
80dB (A)
82dB (A)
Noise emission
35dB (A)
65dB (A)
67dB (A)