HP LaserJet 8000 Multifunction Printer series - Manual (Page 278)

Appendix A Specifications 278
Printer Specifications
General Specifications
Operating temperature 50-91 ° F (10-32.5 ° C)
Relative Humidity 20-80%
Speed, in pages per minute (ppm) 24 ppm
Expandable Memory Up to 192 MB total, combining standard and
accessory memory DIMMs.