Drum kit Replace the parts in the imaging drum kit when the printer control panel displays any of the following messages: DRUM LIFE LOW / REPLACE DRUM KIT DRUM LIFE OUT / REPLACE DRUM KIT DRUM ERROR / REPLACE DRUM KIT 3 1 2 Figure 21. Contents of drum kit 1 Two air filters 2 Hand wipe 3 Imaging drum cartridge Imaging drum life—”drum life low” and “drum life 124 Chapter 4 - Printer maintenance EN