Environmental requirements Table 4. Environmental specifications Item Operating Storage Temperature 10° to 32 ° C (50° to 91 ° F) -20° to 60° C (-4° to 140° F) Relative humidity (RH) 20 to 80 percent RH (with no condensation) 10 percent to 95 percent RH Table 5. Acoustics specifications Printing at 22 ppm L WAd = 6.8 bels (A) L pAm =53 dB L pAm =60 dB maximum* Printer state Sound power Bystander position Operator position Printing at 11 ppm L WAd = 6.4 bels (A) L pAm =50 dB L pAm =56 dB maximum* PowerSave L WAd = 4.4 bels (A) L pAm =32 dB L pAm =37 dB maximum* *Maximum values are based on the HP LaserJet 5100dtn printer. 24 Printer description Q1860-90918