Environmental Requirements Table 1-4. Printer and Toner Cartridge Environmental Conditions Item Operating Storage Temperature 50-91 ° F (10-32 ° C) 32 TO 95°F (0 to 35°C) Relative Humidity 20-80% RH (with no condensation) 10% TO 95% RH Table 1-5. Acoustic Emissions (Per ISO 9296) Printer State Sound Power Printing, 17 pages per minute (ppm) L wad = 6.6 bels (A) Printing, 8 ppm L wad = 6.2 bels (A) PowerSave L wad = 0 bels (A) 1-8 Printer Description EN