HP LaserJet 9040.9050 Multifunction Printer series - Manual (Page 196)

192 Appendix A Specifications ENWW
Operating environment
Operating temperature 10 to 32.5°C (50 to 91°F)
Relative humidity 10 to 80%
Storage temperature -40 to 15.6°C (-40 to +60°F)
Storage humidity 15 to 90%
Speed, in pages per
minute (ppm) 50 ppm (HP LaserJet 9050mfp)
40 ppm (HP LaserJet 9040mfp)