HP Color LaserJet 9500 Multifunction Printer series - Manual (Page 336)

http://www.hp.com/go/clj9500mfp
320 Chapter 11 – Specifications and regulatory information Rev. 1.0
Operating and storage environment
To optimize print quality and media feed performance, operate and store the MFP within the recommended condition
parameters.
Allowable condition Recommended condition
Operating temperature 15°C to 30°C (59°F to 86°F) 20°C to 26°C (68°F to 79°F)
Relative humidity 10% to 80% 20% to 50%
Storage temperature 0°C to 35°C (32°F to 95°F) 0°C to 35°C (32°F to 95°F)
Storage humidity 10% to 95% 10% to 95%