HP LaserJet PRO M521 Repair Manua page 72

2.
Carefully place the document feeder/scanner assembly upside down on a level surface. Carefully
separate the black, adhesive-attached scanner and motor FFCs and Wi-Fi module cables from the
scanner lower cover.
Figure 1-85
3. Remove three screws from the scanner lower cover.
Figure 1-86
62 Chapter 1 Removal and replacement
Remove the control-panel FFC (1 of 6)
Remove the control-panel FFC (2 of 6)
ENWW