HP Deskjet 3820 Color Inkjet Printer User Manual

Page 83

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Temperature: 41 to 104 degrees F, 5 to 40 degrees C

Humidity: 15 to 80 percent RH non-condensing

Recommended operating conditions for best print quality:

Temperature: 59 to 95 degrees F or 15 to 35 degrees C

Humidity: 20 to 80 percent RH non-condensing

Storage conditions:

Temperature: -40 to 158 degrees F, -40 to 70 degrees C

power consumption

2 watts maximum when off

4 watts average non-printing

25 watts average when printing

power requirements

Input Voltage: 100 to 240 Vac (± 10%)

Input Frequency: 50–60 Hz (± 3 Hz)

Accommodates the worldwide range of AC line voltages and frequencies.

declared noise emissions in accordance with ISO 9296

Best Mode:

Sound power level, LWAd: 5.7 Bels (A) [57 dB (A)]

Sound pressure level, LpAm (bystander positions): 45 dB (A)

Normal Mode:

Sound power level, LWAd: 6.0 Bels (A) [60 dB (A)]

Sound pressure level, LpAm (bystander positions): 47 dB (A)

operating environment

Maximum operating conditions:

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