HP LaserJet PRO M521 Repair Manua page 132

3.
On the left side of the product, remove two screws.
Figure 1-181
4. Release four wire harness holders from the chassis and then rotate the output bin roller assembly
up to expose the pendulum assembly.
TIP:
Figure 1-182
122 Chapter 1 Removal and replacement
Remove the pendulum assembly (2 of 4)
Use needle-nose pliers to release the wire harness holders.
Remove the pendulum assembly (3 of 4)
ENWW