3.
Remove the USB PCA subassembly from the chassis.
Figure 1-83
Remove the USB PCA (3 of 4)
4.
Place the USB PCA subassembly on a level surface. Remove two screws, and then remove the USB
PCA from the sheet metal bracket.
Figure 1-84
Remove the USB PCA (4 of 4)
Control-panel FFC
1.
Before proceeding, remove the following:
●
Document feeder/scanner assembly. See
Document feeder assemblies and scanner
on page 46
.
●
Control-panel top cover. See
Control-panel top-cover on page 57
.
ENWW
Removal and replacement procedures
61
Summary of Contents for LaserJet Pro M521
Page 1: ...LASERJET PRO MFP Repair Manual M521 2 ...
Page 2: ......
Page 3: ...HP LaserJet Pro MFP M521 Printer Repair Manual ...
Page 6: ...iv Conventions used in this guide ENWW ...
Page 10: ...viii ENWW ...
Page 14: ...14 mm 4 Chapter 1 Removal and replacement ENWW ...
Page 148: ...138 Chapter 1 Removal and replacement ENWW ...
Page 155: ...ENWW Assembly locations 145 ...
Page 186: ...176 Chapter 2 Parts and diagrams ENWW ...
Page 189: ......
Page 190: ... 2012 Hewlett Packard Development Company L P www hp com A8P79 90904 A8P79 90904 A8P79 90904 ...