HP Designjet 4520 Printer series - Manual (Page 221)

Temperature range for best print quality 15 to 30°C (59 to 86°F), depending on paper type
Temperature range for printing 5 to 40°C (41 to 104°F)
Temperature range when not in operation -20 to +55°C (-4 to +131°F)
Maximum altitude when printing 3000 m
Table 25-13 Stacker environmental specifications
Relative humidity range 20–80%
Temperature range for printing 5 to 40°C (41 to 104°F)
Temperature range when not in operation -20 to +50°C (-4 to +122°F)
Acoustic specifications
Table 25-14 Printer acoustic specifications
Idle sound power ≤ 5.8 B (A)
Operating sound power ≤ 7.0 B (A)
Idle sound pressure ≤ 41 dB (A)
Operating sound pressure ≤ 53 dB (A)
Table 25-15 Stacker acoustic specifications
Idle sound power < 4.5 B (A)
Operating sound power < 5.5 B (A)
Idle sound pressure < 35 dB (A)
Operating sound pressure < 57 dB (A)
Table 25-12 Printer environmental specifications (continued)
ENWW Acoustic specifications 211
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