HP LASERJET 9000MFC - Manual (Page 95)

A Specifications 95
Environmental specifications
Power requirements
Acoustical specifications
Power requirements (acceptable line voltage)
100–127 V (+/- 10%) 50-60 Hz (+/- 2 Hz)
220–240 V (+/- 10%) 50 Hz (+/- 2 Hz)
220 V (+/- 10%) 60 Hz (+/- 2 Hz)
Acoustics
Operating
(Printing)
a
a. Copy speed is 50 ppm
Idle Power save
Sound power level 7.4 Bel 5.7 Bel inaudible
Sound pressure level,
L
pAm
(Bystander
position)
60 dB 40 dB inaudible
Sound pressure level,
L
pAm
(Operator position)
57 dB 40 dB inaudible
ENWW