HP LaserJet P4015 Printer series - Manual (Page 224)

Operating environment
Table C-6 Necessary conditions
Environmental condition Printing Storage/standby
Temperature (product and print
cartridge) 7.5° to 32.5°C (45.5° to 90.5°F) 0° to 35°C (32° to 95°F)
Relative humidity 5% to 90% 35% to 85%
212 Appendix C Specifications ENWW