82KX-FLB802CX/KX-FLB812CX/KX-FLB802CXS/KX-FLB812CXS8.1.7. REPLACING THE TONER CARTRIDGE AND THE DRUM UNITWhen the display shows the following, replace the toner cartridge.To check the drum life and quality, please print the printer test list. If printing quality is still poor or “Replace Drum” appears on thedisplay , replace the toner cartridge and drum unit. To ensure that the unit operates properly, we recommend the use of Panasonictoner cartridge (Model No. KX-FA87A/KX-FA87E/KX-FA85A/KX-FA85E) and drum unit (Model No. KX-FA86A/KX-FA86E).To maintain print quality and machine life, we recommend you to clean slots and openings and the inside of the unit when replacingthe toner cartridge and/or drum unit.Caution:• We cannot be responsible for any damage to the unit or degradation of print quality which may occur from the use of anon-Panasonic toner cartridge and drum unit.• The drum unit contains a photosensitive drum. Exposing it to light may damage the drum. Once you have opened theprotection bag:— Do not expose the drum unit to light for more than 5 minutes.— Do not touch or scratch the black drum surface.— Do not place the drum unit near dust or dirt, or in a high humidity area.— Do not expose the drum unit to direct sunlight.• Do not disconnect the power cord. Loss of fax documents in memory may occur.• Do not leave the toner cartridge out of the protection bag for a long time. It will decrease the toner life.• Do not add toner to the toner cartridge.1. Before opening the protection bag of the new toner cartridge, shake itvertically more than 5 times.2. Remove the new toner cartridge from the protection bag.3. Lift the cover release lever (1) and open the top cover (2).Important:• Close the multi-purpose input tray (3) before opening the top cover.NOTE:• Do not touch the transfer roller (5)