HP LaserJet PRO M521 Repair Manua page 109

3.
Remove the antistatic sponge (callout 1).
Figure 1-144
4. Disconnect one connector (callout 1) and one FFC (callout 2).
Reinstallation tip
installed. If the FFC is not correctly reconnected, a 51.1 ERROR will appear on the control-panel
display.
Figure 1-145
ENWW
Remove the laser scanner (2 of 5)
Make sure that you correctly reconnect the FFC when the laser scanner is
Remove the laser scanner (3 of 5)
1
2
1
Removal and replacement procedures
99