HP Color LaserJet 9500 Printer series - Manual (Page 223)

ENWW Printer specifications 221
9
Acoustical specifications
Values subject to change: see http://www.hp.com/suppor t/lj9500 for current information.
To conform with Blue Angel specifications, place printers with a sound power equal to or greater than 63 dB in a separate
room or cubicle.
Operating and storage environment
To optimize print quality and media feed performance, operate and store the printer within the recommended condition parameters.
Acoustics Printing (24 ppm) PowerSave
Sound power level L
WAd
= 67 dB(A) essentially inaudible
Sound pressure level, L
pAm
(Bystander position)
L
pAm
= 50 dB(A) essentially inaudible
Allowable condition Recommended condition
Operating temperature 15° to 30° C (59° to 86° F) 20° to 26° C (68° to 79° F)
Relative humidity 10 to 80 percent 20 to 50 percent
Storage temperature 0° to 35° C (32° to 95° F) 0° to 35° C (32° to 95° F)
Storage humidity 10 to 95 percent 10 to 95 percent