HP Color LaserJet 4500 Printer series - Manual (Page 188)

188 Specifications
EN
Acoustic Emissions
Operation Position
Printing
Standby
Per ISO 9296, DIN 45635,T.19
L
PA
58 dB(A)
L
PA
49 dB(A)
Bystander 1m
Printing
Standby
Per ISO 7779, DIN 45635,T.19
L
PA
52 dB(A)
L
PA
45 dB(A)
Sound Power
Printing
Standby
Per ISO 9296
L
WAD
=6.6 bels(A)
L
WAD
=5.8 bels(A)