HP 400 manual Environmental Specifications Category, 46 dBA

Table 1-15. Environmental Specifications

Category	Specification
Temperature	5° to 40° C (41° to 104°F)
Operating
Non-operating	-40°to 60° C (-40°to 140° F)
Recommended operating	15° to 35° C (59° to 95° F)
Relative humidity	20% to 80% RH at 30°C
Operating with paper
Operating with transparencies	30% to 80% RH at 30°C
Non-operating	95% RH at 65°C
Altitude
Printer
Operating	0 to 4600 meters (15,000 feet)
Non-operating	0 to 15,300 meters (50,000 feet)
Print cartridge
Operating	0 to 4600 meters (15,000 feet)
Non-operating	0 to 7300 meters (24,000 feet)
Mechanical vibration
Frequency range	5 to 500 Hz
Operating
Random	Approximately 0.21 G rms
Non-operating
Random	Approximately 2.09 G rms
Swept sine	0.5 G (0 to peak)
Noise levels per ISO 9296
Sound pressure (at 1 meter bystander position)	46 dB(A)
Sound power	6.4 B(A)
Electrostatic discharge
No soft failures	0 to 5000 V
2.5% or fewer soft failures	<15,000 V
No hard failures	<25,000 V

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