HP LaserJet M3027 Multifunction Printer series - Manual (Page 233)

Acoustic emissions
Table C-5 Sound power and pressure level 1 , 2
Sound power level Declared per ISO 9296
Printing 3 L
WAd
= 6.5 Bels (A) [65 dB(A)]
Ready Essentially Inaudible
Sound pressure level (bystander position) Declared per ISO 9296
Printing 3 L
pAm
=51 dB (A)
Ready Essentially Inaudible
1 Values are based on preliminary data. See www.hp.com/support/LJM3027mfp or www.hp.com/support/LJM3035mfp for
current information.
2 Configuration tested: base printer, simplex printing with A4 paper size.
3 Print speed is 27 or 35 ppm.
Operating environment
Table C-6 Necessary conditions
Environmental condition Printing (Recommended) Storage/standby
Temperature (printer and print cartridge) 17.5° to 25.0°C (63° to 77°F) 0° to 40°C (32° to 104°F)
Relative humidity 30% to 70% (non-condensing) 0% to 95%
ENWW Acoustic emissions 221