Installing the PHD Unit
1. Press the side button and open the front cover.
2. Turn the four PHD lock levers counterclockwise to unlock the unit.
NOTICE:
Do not touch the belt unit.
3. Hold the gray tabs, and then pull the PHD unit out of the printer totally.
NOTICE:
Do not remove the protective sheet while removing the PHD unit.
4. Completely remove the four yellow ribbons from the PHD unit.