134 • Chapter 99-1 Laser Printer CartridgeThe Laser Printer cartridge contains a photosensitive drum and toner.Damage to the cartridge can affect print quality, so observe thefollowing precautions and handling procedures to keep the Laser Printercartridge in good condition.9-1-1 Handling the Laser Printer cartridge• Do not expose the Laser Printer cartridge to direct sunlight orstrong room light.• Do not expose the Laser Printer cartridge to any light for longerthan 5 minutes.• If you remove the Laser Printer cartridge from a cold location to awarm location, wait at least one hour before installing it in theprinter to avoid condensation.• Do not open the drum shutter.• Do not shake the Laser Printer cartridge after you have peeled offthe sealing tape. Otherwise, toner may spill out.• Do not disassemble the Laser Printer cartridge.• Toner is harmless. If you get any toner on your hands or clothes,wash them with water to remove the toner.• If the Laser Printer cartridge must be removed from the printer,cover the Laser Printer cartridge with an aluminum bag or a thickcloth.• Do not place the Laser Printer cartridge on end. Do not place theLaser Printer cartridge upside down after removing the sealingtape.• Dispose of used Laser Printer cartridges as nonflammable inaccordance with local regulations.Do not throw an Laser Printer cartridge into open flame. It can cause anexplosion and you can get burned.9-1-2 Storing the Laser Printer cartridgeFrom the time an Laser Printer cartridge is manufactured, it has a life ofapproximately two years if it is stored properly. Observe the followingstorage precautions to keep the cartridge in good condition.• Do not unpack the Laser Printer cartridge until you are ready toinstall it. If the cartridge is already unpacked, keep in its aluminumbag.• Store the Laser Printer cartridge in a stable environment: 32° to95°F/ 0° to 35°C and 15% to 85% relative humidity.