HP LaserJet PRO M521 Repair Manua page 145

10.
Remove one screw (callout 1).
Figure 1-201
11. Place the product face-side up. Remove two screws (callout 1), and then remove the positioning
guide (callout 2).
CAUTION:
the left side of the product.
NOTE:
use slight force to separate it from the product.
Figure 1-202
ENWW
Remove the HVPS (9 of 12)
1
When you place the product face-side up, do not damage the rear-door link arm on
The positioning guide might appear to still be fastened to the product. You might have to
Remove the HVPS (10 of 12)
1
2
Removal and replacement procedures
135