HP LaserJet 9000 HP LaserJet 9000 Series Printer - Introduce Guide - Page 58

Power requirements, Acoustical specifications, Power requirements acceptable line voltage, Acoustics

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A Specifications 58 Power requirements Power requirements (acceptable line voltage) 100-127 Volt (+/- 10%) 50-60 Hz (+/- 2 Hz) 220-240 Volt (+/- 10%) 50 Hz (+/- 2 Hz) 220 Volt (+/- 10%) 60 Hz (+/- 2 Hz) Acoustical specifications Acoustics Operating (Printing)a Sound power level 7.1 Bel Sound pressure level, LpAm (Bystander position) 55 dB Sound pressure level, 59 dB LpAm (Operator position) a. Print speed is 50 ppm Idle 6.0 Bel 41 dB 43 dB Power-Save inaudible inaudible inaudible Environmental specifications

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A
Specifications
58
Environmental specifications
Power requirements
Acoustical specifications
Power requirements (acceptable line voltage)
100-127 Volt (+/- 10%)
50-60 Hz (+/- 2 Hz)
220-240 Volt (+/- 10%)
50 Hz (+/- 2 Hz)
220 Volt (+/- 10%)
60 Hz (+/- 2 Hz)
Acoustics
Operating
(Printing)
a
a.
Print speed is 50 ppm
Idle
Power-Save
Sound power level
7.1 Bel
6.0 Bel
inaudible
Sound pressure level,
L
pAm
(Bystander
position)
55 dB
41 dB
inaudible
Sound pressure level,
L
pAm
(Operator position)
59 dB
43 dB
inaudible