Table 6. Environmental specifications Table 7. Noise level specifications Note Testing per International Standards Organization (ISO) 9296. ENWW Chapter 1 Product information 27 Allowable condition Recommended condition Operating temperature 10° to 30° Celsius (C) (50° to 86° Fahrenheit [F]) 20° to 26°C (68° to 79°F) Relative humidity 10 to 80 percent 20 to 50 percent Storage temperature 15° to 30°C (59° to 86°F) 20° to 26°C (68° to 79°F) Storage humidity 5 percent to 95 percent 5 percent to 95 percent Acoustics Printing (24 ppm) PowerSave Sound power level L = 67 dB(A) WAd essentially inaudible Sound pressure level, L pAm (Bystander position) L = 50 dB(A) pAm essentially inaudible