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HP LaserJet 5000gn User Manual Page 330
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EN
Reference Diagrams
7-109
Figure 7-35
DC Controller PCA I/O (3 of 4)
1
2
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HP LaserJet 5000, 5000 N
1
Service Manual
1
5000 GN Printers
2
Service Manual _____________
2
Contents
4
3 Printer Operation
5
4 Printer Maintenance
5
5 Functional Information
6
7 Troubleshooting
8
8 Parts and Diagrams
8
6 Contents
9
Printer Description
10
Printer Features
11
Identification
14
Site Requirements
15
Space Requirements
16
1-8 Printer Description
17
Environmental Requirements
19
Paper Specifications
20
Supported Types of Paper
23
Guidelines for Using Paper
24
Transparencies
27
Envelopes
28
Acceptable
28
Unacceptable
28
Card Stock and Heavy Paper
29
Card Stock Construction
30
Card Stock Guidelines
30
Safety Information
31
FCC Regulations
32
Laser statement for Finland
33
Luokan 1 laserlaite
33
Material Safety Data Sheet
34
Protecting the Environment
35
Service Approach
36
Parts and Supplies
38
Helpful Documentation
39
Phone Numbers for Ordering
40
Exchange Program
40
Consumables
40
Technical Assistance
40
HP FIRST
41
HP CompuServe Forum
41
Toner Cartridge Information
43
Warranty Statement
44
2-10 Service Approach
45
Printer Operation
46
Using the Control Panel
47
Control Panel Keys
48
Settings and Defaults
49
Control Panel Menus
50
Information Menu
51
Paper Handling Menu
52
Print Quality Menu
55
Printing Menu
58
PCL SYMBOL
60
SET=PC-8
60
3-16 Printer Operation
61
Item Values Explanation
61
Configuration Menu
62
I/O Menu
69
EIO Menu (Networked Printers)
72
Resets Menu
74
Service Mode
75
Service Menu
76
Page Count
77
Cold Reset Paper
79
Diagnostics
79
Clear Event Log
79
Testing the Printer
80
Resetting the Printer
81
System Configuration
82
Serial MS-DOS Commands
83
Printer I/O Configuration
84
Pacing (Handshaking)
85
Printer Maintenance
86
Cleaning Spilled Toner
89
Preventative Maintenance
90
6 Transfer Charging
91
Functional Information
92
Printer Subsystems
93
Power Supply System
94
Toner Cartridge Detection
98
DC Controller System
98
Laser and Scanner Drive
99
Engine Test Print
100
Formatter System
103
EconoMode
104
Input/Output
105
Printer Memory
106
Random Access Memory (RAM)
106
DIMM Slots
107
Page Protect
107
PJL Overview
108
Control Panel
108
Image Formation System
109
Toner Cartridge
111
Photosensitive Drum
112
Photosensitive
112
Aluminum
112
Cleaning the Drum
113
Conditioning the Drum
114
Writing the Image
115
Developing the Image
116
Transferring the Image
117
Variable Fusing Temperature
119
Paper Feed System
120
Clutches and Sensors
121
Printing from Tray 1
122
5-32 Functional Information
123
Figure 5-17 Tray 1 Pickup
123
Printing from Tray 2
124
5-34 Functional Information
125
250-sheet Trays
126
5-36 Functional Information
127
Paper Jam
128
Duplexer
129
Figure 5-22
130
Paper Feed for the Duplexer
130
Figure 5-24
132
Duplexing Unit
132
Uncurling Function
133
Paper Jam in the Duplexer
135
Basic Sequence of Operation
136
5-46 Functional Information
137
Table 5-1. Printer Timing
137
Period Timing Purpose Remark
137
Figure 5-27
138
Timing Diagram
138
5-48 Functional Information
139
Removing and
140
Replacing Parts
140
User Installable Accessories
141
Checking Memory Installation
144
Required Tools
146
Phillips Posidriv
147
Removing Covers
149
Top Cover
151
A Top screws
152
B Toner Cartridge Drive Arm
152
C Rear screws
152
Item Explanation
155
Toner Cartridge Door Assembly
156
Front Cover and Tray 1
157
Front Cover
157
Tray 1 Guide
157
Front Cover Pins
159
Face Down Assembly
160
Locking Tabs
160
Locator Pins
161
Left and Right Side Covers
162
Tray 1 Inner Cover
163
Right and Left Corner Covers
165
Corner Cover Screws
165
Removing Assemblies
166
Transfer Roller Assembly
167
Transfer Guide
167
Cleaning Brush
168
Pressure Release Handles
169
Screw driver lifting point
169
Paper Handling PCA
170
Ribbon Cable
170
Top Margin Adjustment
171
Figure 6-25
172
Location of VR401
172
Main Gear Assembly
173
Main Motor Cables
173
Self-tapping Screws
173
Grounding Screw
173
Locating Tab
174
Engagement Arm
174
Pickup Gear Assembly
175
Location to Release Spring
176
Tray 2 Shaft Gear
176
Wire Clip
176
Tray 1 Pickup Solenoid
177
Power Cables
178
Formatter Assembly
179
Tray 1 Roller
180
Tray 2 Roller
181
Tab is behind this cam
181
Bushings
181
Paper Feed Roller Assembly
182
Machine Screws
186
Lock Washer/Grounding Wire
186
Long Screws
187
Power Supply PCA
188
DC Controller PCA
188
Paper Feed Belt Assembly
189
Use Caution
190
Tray 1 Shaft
191
Locking Tab
191
Tray 1 Shaft Gear
192
Tray 1 Release Tabs
192
Tray 2 Shaft
193
Release Tabs
193
Solenoid Arm
193
Direction to Orient Shaft
194
Tray 1 Lift Plate
195
Paper Sensor Flag Slot
195
Tray 1 Separation Pad
196
Paper Guide
197
Green Handles
197
End Pins
197
Paper Path Detect Sensor
198
Face Down Bin Full Sensor
199
Power Connection
201
Registration Assembly
202
Screw location
202
Alignment Tab
203
Stabilizer
203
Upper Delivery Assembly
204
Delivery Roller
204
Delivery Roller Removal
206
Lower Delivery Rollers
206
Laser Scanner Assembly
208
Main Motor
209
Toner Cartridge Guides
210
Leading Tab
210
Power Inlet Assembly
211
Grounding Wire Screw
211
A Locking Tabs
212
B Auxiliary covers
212
C Front cover
212
A Self-tapping screws
213
Tray Indicator Assembly
214
A Left Corner Cover screw
214
B Tray Indicator Assembly
214
A Tray Indicator Limit Tab
215
B Upper Limit Stop
215
C Lower Limit Stop
215
Paper Size Spring Assembly
216
A Paper Size Spring Assembly
216
D-Roller and Feed Roller
217
Gear Assembly and PCA
218
A Paper Size Switch PCA
218
B Small, Self-tapping Screws
218
C Machine Screws
218
Power Connector
219
Separation Roller
220
A Separation Roller
220
B Return Cover
220
Troubleshooting
222
Troubleshooting Process
223
Troubleshooting Process Flow
225
Preliminary Operating Checks
227
Power On
228
7-8 Troubleshooting
229
Table 7-3. No AC Power
229
Cause Action
229
Engine Test
230
Engine Test Button Location
231
Printing an Engine Test
231
Event Log
233
Figure 7-2
234
Event Log Page
234
Display the Event Log
235
Print the Event Log
235
Interpret the Event Log
235
Printer Messages
237
<number>
241
PROTECT=AUTO
249
HP LaserJet Printer Family
261
Paper Specifications Guide
261
Problem Action
262
Paper Path Test
263
Information Pages
264
7-44 Troubleshooting
265
Figure 7-4 Menu Map
265
Configuration Page
266
7-46 Troubleshooting
267
Figure 7-5 Configuration Page
267
Verify installed options
268
Image Quality
269
Image Defects
271
7-52 Troubleshooting
273
Possible Cause Action
273
7-56 Troubleshooting
277
Table 7-13. Character Voids
277
7-58 Troubleshooting
279
Table 7-15. Curl
279
7-60 Troubleshooting
281
Table 7-18. Dropouts
281
HP LaserJet Printer
282
7-62 Troubleshooting
283
7-64 Troubleshooting
285
7-66 Troubleshooting
287
Table 7-24. Loose Toner
287
7-68 Troubleshooting
289
Table 7-26. Skew
289
Table 7-27. Toner Smear
289
Repetitive Defect Ruler
293
Figure 7-6
294
Interface Troubleshooting
297
HP JetDirect
299
Reference Diagrams
300
7-80 Troubleshooting
301
Figure 7-10
302
250-sheet Paper Feeder
302
7-82 Troubleshooting
303
Figure 7-11 Tray 2 Paper Path
303
Figure 7-12
304
500-sheet Paper Feeder
304
7-84 Troubleshooting
305
Figure 7-14
306
7-86 Troubleshooting
307
Figure 7-15 Duplexing Unit
307
Figure 7-16
308
Sensors and Signals
309
Figure 7-18
310
7-90 Troubleshooting
311
Sensor Name
311
7-92 Troubleshooting
313
7-94 Troubleshooting
315
Figure 7-21 Motors
315
Figure 7-22
316
Motors (Duplexing unit)
316
7-96 Troubleshooting
317
Figure 7-23 Connectors
317
Figure 7-24
318
7-98 Troubleshooting
319
Figure 7-25 PCA’s
319
Figure 7-26
320
PCA (Duplexing Unit)
320
7-100 Troubleshooting
321
Figure 7-28
322
7-102 Troubleshooting
323
Figure 7-29 Switches
323
Figure 7-30
324
7-104 Troubleshooting
325
Figure 7-32
326
7-106 Troubleshooting
327
Figure 7-33
328
7-108 Troubleshooting
329
Figure 7-35
330
7-110 Troubleshooting
331
Parts and Diagrams
332
Ordering Parts
333
Ordering Consumables
333
Accessories and Supplies
335
8-6 Parts and Diagrams
337
Description Part No
337
Table 8-3. Replaceable Cables
337
Illustrations and Parts Lists
338
(English)
343
Assembly
344
8-28 Parts and Diagrams
359
2 RB2-2037-000CN 1 Tray Cover
362
3 RH7-1356-000CN 1 Main Motor
364
1 RH2-5337-000CN 1 Flat Cable
367
Table 8-22. 500-sheet Feeder
370
Table 8-23. 500-sheet Feeder
372
Alphabetical Parts List
373
8-44 Parts and Diagrams
375
8-46 Parts and Diagrams
377
Numerical Parts List
378
8-48 Parts and Diagrams
379
8-50 Parts and Diagrams
381
8-52 Parts and Diagrams
383
Index 4
387
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