CHAPTER 5 ROUTINE MAINTENANCE
!Caution
Install the toner cartridge immediately after you remove the protective cover. Do not touch the shaded parts in the illustration to prevent any degradation to the print quality.
6. Install the new toner cartridge into the drum unit until you hear it lock into place. When the toner cartridge is installed correctly, the lock lever is lifted automatically.
!Caution
Make sure you install the toner cartridge correctly or it may separate from the drum unit.