Index
A
accessories
ordering 140
after service checklist 5
C
cartridge
ordering 140
part number 140
removing 11
cartridge door
removing 34
cassette 13
Tray 2, removing 13
Tray 3, removing 13
cautions iii
checklists
after service 5
preservice 5
control-panel assembly
removing 59
conventions, document iii
D
DC controller
removing 102
document conventions iii
Document feeder hinge assembly
removing 57
Document feeder whole unit kit
removing 52
document feeder/scanner assembly
removing 46
dummy cover
removing 23
duplex paper-feed
removing 83
E
electrostatic discharge (ESD) 2
environmental sensor
removing 128
ESD (electrostatic discharge) 2
F
fasteners
screws 142
Fax PCA and cable
removing 20
formatter cover
removing 18
formatter PCA
removing 19
fuser
removing 80
fuser motor
removing 120
H
high-voltage power supply (HVPS)
removing 130
I
interlock switch assembly
removing 89
L
laser scanner
removing 98
left cover
removing 28
location
covers 146
internal assemblies 154
optional trays or accessories
(base product) 144
low-voltage power supply
removing 106
M
main fan
removing 93
N
notes iii
O
ordering
print cartridge 140
product documents 142
supplies and accessories 140
P
part number
print cartridge 140
part numbers
screws 142
parts
500-sheet input tray 166
control panel 150
covers 146
internal assemblies 154
optional trays or accessories
(base product) 144
pendulum
removing 121
post-service tests 5
power-switch assembly
removing 88
preservice checklist 5
print cartridge
ordering 140
part number 140
print-quality test 5
ENWW
Index
177
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 ...