Replacing Consumables 6-3Keep toner cartridges: In their packaging until you’re ready to install them. In a cool, dry location away from sunlight (due to heat).The maximum storage temperature is 35° C (95° F) and the maximumstorage humidity is 85% (noncondensing). If the toner cartridge is movedfrom a cold place to a warm, humid place, condensation may occur,degrading print quality. Allow the toner to adapt to the environment forabout one hour before use. Level during handling and storage.Do not hold, stand or storecartridges on their ends or turnthem upside down; the tonerinside the cartridges maybecome caked or unequallydistributed. Away from salty air and corrosive gases such as aerosols.