HP LaserJet PRO M521 Repair Manua page 123

2.
Turn the product on its side. Remove one screw (callout 1).
NOTE:
yet. The gears behind the cover are not captive and can easily be dislodged if the cover is
removed at this time.
Figure 1-166
3. Remove one screw (callout 1), and then remove the base-plate (callout 2).
Reinstallation tip
the rear of the product.
Figure 1-167
ENWW
In this figure the gear cover is shown removed for clarity. Do not remove the gear cover
Remove the Tray 2 paper pickup assembly (1 of 10)
Be sure to correctly align the base-plate. It should match the base-plate at
Remove the Tray 2 paper pickup assembly (2 of 10)
2
Removal and replacement procedures
113