310 Maintaining Your PrinterStoring ConsumablesStore consumables in their original packaging until you need to use them. Do not store consumables in:• Temperatures greater than 40°C (104°F).• An environment with extreme changes in humidity or temperature.• Direct sunlight.• Dusty places.• A car for a long period of time.• An environment where corrosive gases are present.• An environment with salty air.Replacing Toner CartridgesWARNING: Before replacing toner cartridges, read and follow the safety instructions in theImportant Information.Dell toner cartridges are available only through Dell. You can order more cartridges online athttp://www.dell.com/supplies or by phone. To order by phone, see "Contacting Dell" on page 360.It is recommended that you use Dell toner cartridges for your printer. Dell does not provide warranty coverage forproblems caused by using accessories, parts, or components not supplied by Dell.WARNING: Never throw used toner cartridges into fire. The residual toner could explode resulting in burns and injuries.WARNING: Do not shake the used toner cartridge to avoid spilling of toner.Removing the Toner Cartridges1 Open the toner access cover.