Usb Pca - HP LaserJet PRO M521 Repair Manua

USB PCA

NOTE: It is not necessary to remove the control-panel assembly to remove the USB PCA. However, it
might be easier to remove the USB PCA with the control-panel assembly removed.
1.
Disconnect the ground wire screw and remove the ground wire. Disconnect one screw near the
front of the USB PCA subassembly.
Figure 1-81
2.
Disconnect the USB cable.
Figure 1-82
TIP:
grounding screw and the screw near the front of the USB PCA assembly.
60 Chapter 1 Removal and replacement
Remove the USB PCA (1 of 4)
Remove the USB PCA (2 of 4)
When reinstalling the USB PCA assembly, connect the USB cable before installing the
ENWW