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HP 9040 Service Manual Page 105
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Table of contents
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Pickup
and fee
d system
89
Figure 31.
Pickup-and-feed s
ystem sen
sors and switches
1
2
...
100
101
102
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...
331
332
HP LaserJet 9000/9040/9050
1
Service_____________________
3
NERGY STAR
4
Table of contents
5
4 Product maintenance
6
5 Theory of operation
6
List of tables
11
List of figures
13
1 Product information
17
HP LaserJet 9040/9050 printer
20
Product specifications
22
Product overview
26
Interface connections
27
Optional accessories
28
Regulatory information
29
Service approach
30
2 Product requirements
31
Site requirements
32
Space requirements
33
2,591 mm (102 inches)
34
Media specifications
35
Label specifications
36
Transparency specifications
37
Storing print media
38
Envelope storage
39
Media input/output options
41
3 Product configuration
45
Using the control panel
46
Control-panel buttons
47
Numeric keypad commands
48
Settings and defaults
49
Settings and defaults 35
51
Printer driver information
52
Control-panel menus
53
Retrieve job menu
54
Information menu
54
Paper-handling menu
55
Item Values Explanation
56
Configure device menu
57
PCL submenu
58
Configure device menu 43
59
Print-quality submenu
60
Configure device menu 45
61
System setup submenu
62
Configure device menu 47
63
I/O submenu
64
EIO X Jetdirect submenu
65
Configure device menu 51
67
Resets submenu
69
Diagnostics menu
70
Service menu
70
Windows systems
71
NTER for each
72
NTER to exit the FTP session
72
Continue
74
Preventative maintenance
76
General cleaning
77
Internal cleaning
78
Fuser cleaning
81
Process a cleaning page
82
Print cartridge information
83
Refilled print cartridges
84
Print-cartridge weights
84
Basic operation
86
State Period Operation
88
Power-on sequence
89
Timing chart
90
Engine control system
91
DC controller PCA
92
DC controller operations
93
Low-voltage power supply unit
96
Formatter system
97
Laser/scanner system
99
Image formation system
100
Print cartridge
101
Cartridge memory
102
Toner seal
102
Toner-level detection
102
Pickup and feed system
103
Jam detection
104
Pickup and feed system 89
105
Sensor/switch Description
106
Pickup and feed system 91
107
Motor/solenoid Description
108
Tray 1 driver PCA
109
Power supply
109
Sequence of operation
109
Pickup and feed
110
Tray 4 driver PCA
111
6 Removal and replacement
113
Introduction
115
Right top cover
117
To reinstall
118
Left top cover
119
Front cover
120
Right door
121
Right lower cover
122
Left door and diverter
123
Left back cover
124
Back cover
125
Right and left rail covers
126
Top assemblies
127
Laser/scanner assembly
128
Delivery assembly
129
Delivery-fan assembly
130
Delivery motor
132
Cartridge release lever
133
Front assemblies
135
Transfer-roller assembly
136
Front assemblies 121
137
Figure 61. Tray 2 or tray 3
137
Fuser-jam-removal knob
139
Registration-jam-removal knob
140
Right assemblies
141
Paper-input unit (PIU)
142
Registration assembly
145
Transfer-guide assembly
147
Left assemblies
149
Fuser assembly
150
Back assemblies
151
Low-voltage power supply
152
High-voltage power supply
153
DC controller
154
Toner-sensor contact assembly
156
Drum motor
157
Feed-drive assembly
158
Power-supply fan (fan 1)
159
Cartridge fan (fan 5)
160
Controller fan (fan 2)
161
Jetlink connector
162
Fuser delivery-drive assembly
165
Orientation
167
Left side cover
167
Right side cover
168
Back covers
169
Drive motor
173
Drive assembly
174
Controller board
175
Pickup assembly
178
Paper-connecting unit
179
7 Troubleshooting
181
Troubleshooting process
183
Troubleshooting process 169
185
Envelopes are wrinkling
188
Fusing is poor
188
Power-on
190
Event log page
191
Sample event log
192
View the event log
193
Control-panel messages
194
Printer-message tables
195
Alphabetical error messages
196
AUSE/RESUME to return the
200
Numerical error messages
204
position
225
Paper-path test
229
Service test
229
Code Description FRU
230
Service-level diagnostics
231
Diagnostics flowchart
232
Cold reset
233
AUSE/RESUME (START on MFPs)
234
ENU (START on MFPs)
236
Tray 4 diagnostics
237
Standalone running test
238
Sensor test
238
Light-pattern interpretation
239
Jam troubleshooting
240
Customer print job
241
Clearing jams
241
Configuration page
242
Verify installed options
244
Jetdirect page
245
Supplies status page
246
Usage page
247
File directory page
248
Check the print cartridge
250
EconoMode
250
Image-defect tables
251
Table 29. Image defects
252
Problem Cause Solution
252
SMALL PAPER
257
SPEED=SLOW
257
PAPER SPEED
258
Repeating defect ruler
259
Media troubleshooting
260
Isolate a media brand
261
Isolate a media type
261
Communication troubleshooting
262
HP LaserJet 9040mfp only)
263
Ping-test results
264
Connectivity problems
266
Save + Restore
266
Wiring diagrams
267
Wiring diagrams 253
269
8 Parts and diagrams
271
Common hardware
277
Illustrations and parts lists
278
Right cover assembly
281
Internal
282
Internal 267
283
Internal 269
285
(if different)
285
Internal 271
287
Internal 273
289
Drum feed drive assembly
290
Fuser delivery drive assembly
291
Cartridge lifter assembly
292
RG5-5635-080CN 1
293
Paper input unit
294
Transfer roller assembly
296
Table 47. Delivery assembly
298
PCA assembly location
299
Tray 4 main body
300
Tray 4 285
301
Tray 4 287
303
Tray 4 drive assembly
304
Tray 4 PCA location
305
Alphabetical parts list
307
Alphabetical parts list 293
309
Alphabetical parts list 295
311
Numerical parts list
312
Numerical parts list 297
313
Numerical parts list 299
315
Index302 Index
318
Index Index303
319
Index304 Index
320
Index Index305
321
Index306 Index
322
Index Index307
323
Index308 Index
324
Index Index309
325
Index310 Index
326
Index Index311
327
Index312 Index
328
Index Index313
329
Index314 Index
330
*Q3721-90963*
332
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