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M525
HP M525
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3.
Open the ADF, and then remove four screws.
Figure 1-86
Remove the ADF front cover (3 of 4)
4.
Release one tab, and then remove the cover.
Figure 1-87
Remove the ADF front cover (4 of 4)
1
58
Chapter 1 Removal and replacement
ENWW
67
69
Table of Contents
Main Page
Removal and replacement
11
Removal and replacement strategy
12
General cautions during removal and replacement
12
Electrostatic discharge
12
Required tools
13
Types of screws
13
Service approach
15
Before performing service
15
After performing service
15
Post-service test
15
Print-quality test
15
Location of connectors
17
DC controller connections
17
Formatter connections
19
Parts removal order
20
Removal and replacement procedures
22
Customer self repair (CSR) components
22
Toner cartridge
22
Tray 2, Tray 3, or Tray 4 assembly
24
Control-panel HIP cover
25
Control-panel USB cover
25
Control-panel assembly
26
Foam reflector kit (white ADF backing)
29
ADF pickup roller
34
ADF separation pad
36
Fax card and cable
39
Disk drives (HDD and SSM)
41
Remove the HDD
41
Remove the SSM
44
Install a replacement hard drive or SSM
46
Reload the firmware
46
External panels, covers, doors, formatter, and stapler
47
Formatter cover
47
Formatter PCA
48
Stapler cover
50
Substitute stapler cover
52
Stapler assembly
53
Rear cover assembly
54
Left cover
58
Right-rear cover
60
Tray 1 cover
62
Cartridge-door assembly
64
Rear scanner cover
66
ADF front cover
67
ADF rear cover
69
Right cover assembly
71
Right handle cover and bracket
76
Reinstall the right handle cover and bracket
79
ADF assemblies and scanner
80
Deskew mylar and separation mylar
80
ADF tray extender
82
ADF PCA
83
ADF jam access cover
84
ADF roller cover
87
Scanner memory PCA (memory board kit)
89
ADF cable
93
ADF whole unit kit
97
Reinstall the ADF
98
ADF hinge assembly
100
Image scanner whole unit kit
101
Reinstall the image scanner
104
Main assemblies
105
Tray 1 pickup roller
105
Tray 1 separation pad
107
Tray 2, 3, or 4 pickup roller
108
Tray 2, 3, or 4 separation pad
110
Tray 2, 3, or 4 base-plate roller assembly
111
Transfer roller
112
Control-panel cable
113
Fuser
115
Duplex media-feed assembly
118
Registration roller assembly
121
Power-switch assembly
123
Interlock switch assembly
124
Tray sensor PCA
126
Main fan
128
Top cover
130
Laser scanner
133
Tag holder assembly
136
DC controller
137
Low-voltage power supply (LVPS)
141
Tray 2 paper pickup assembly
147
Tray 1 or Tray 2 pickup solenoid
153
Fuser motor
156
Pendulum assembly
158
Sub fan and fan duct
161
Environmental sensor
166
High-voltage power supply (HVPS)
168
Parts and diagrams
177
Order parts by authorized service providers
178
Order parts, accessories, and supplies
178
Supplies part numbers
179
Customer self-repair (CSR) and service kits
179
Related documentation and software
182
Fasteners used in this product
182
How to use the parts lists and diagrams
183
Assembly locations
183
Base product (no optional trays or accessories)
183
Base product (optional trays or accessories)
184
Covers
186
ADF and scanner assemblies
188
Control panel assembly
190
ADF assemblies
192
Scanner assemblies
194
Internal assemblies (1 of 6)
196
Internal assemblies (2 of 6)
198
Internal assemblies (3 of 6)
200
Internal assemblies (4 of 6)
202
Internal assemblies (5 of 6)
204
Internal assemblies (6 of 6)
206
Input devices
208
500-sheet input tray (Tray 3 and Tray 4)
208
Alphabetical parts list
210
Numerical parts list
214
Index
219
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