HP LaserJet 6L User Manual download pdf (Page 86)

Delivery Assembly

1 Remove the Printer Covers and Exit Roller Assembly.

2 Remove the EP Right-Hand assembly by pressing the tab in (Figure 6-9, callout 1)

and sliding the assembly toward the front of the printer (Figure 6-9, callout 2).

Note

The EP Right-Hand assembly must be removed to access any fuser components.

Delivery Assembly Removal (1 of 2)

Figure 6-9

Removal and

Replacement

Removal and Replacement 6 - 13

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 203 204

HP LaserJet 5L and 6L Printer 1
Service Manual 1
HP LaserJet 5L HP LaserJet 6L 2
(C3941A) (C3990A) 2
Conventions 4
Chapter Descriptions 5
List of Figures 6
List of Tables 8
Product Information 10
1-2 Product Information 11
Printer Features 12
Identification 13
Product Information 1-5 14
Specifications 15
Product Overview 16
1-8 Product Information 17
19. Parallel Cable Connector 18
• Parts Direct Ordering (PDO) 19
• Parts Center Europe (PCE) 19
Product Information 1-11 20
Technical Assistance 21
Worldwide Support 22
Warranty 23
Warranty Limitations 24
Voltage Conversions 24
1-16 Product Information 25
Site Requirements 26
2 -2 Site Requirements 27
Printer Space Requirements 29
Storage Conditions 30
Toner Cartridge Distribution 31
Figure 2-2 31
Operating Overview 32
3-2 Operating Overview 33
Using the Control Panel 34
LED Lights 35
Operating Overview 3-5 36
The Front Panel Button 37
Printing a Self-Test Page 38
Figure 3-2 39
Continuous Self Test 40
Printing an Engine Test 41
Resetting the Printer 42
3-12 Operating Overview 43
Printer Maintenance 44
4-2 Printer Maintenance 45
Printer Maintenance 4-3 46
Toner Cartridge Life 47
Refilled Toner Cartridges 48
Recycling Toner Cartridges 48
Cleaning the Printer 49
Cleaning Printer Components 50
Cleaning Spilled Toner 51
Functional Overview 52
5 - 2 Functional Overview 53
Basic Printer Functions 54
DC Controller/Power System 55
Print Engine Control System 56
AC Power Distribution 57
DC Power Distribution 57
SleepMode 57
• A job is received 58
• Storing font information 59
Control Panel 60
Resolution Enhancement (REt) 60
EconoMode 61
Enhanced I/O 62
Page Protect 62
PJL Overview 62
Image Formation System 63
Toner Cartridge 64
Step 1: Drum Cleaning 64
Step 2: Drum Conditioning 64
Step 3: Image Writing 64
Step 4: Image Developing 65
Step 5: Image Transferring 65
Step 6: Image Fusing 65
Paper Feed System 66
5 - 16 Functional Overview 67
Functional Overview 5 - 17 68
Paper Jam Detection 69
Basic Sequence of Operation 70
5 - 20 Functional Overview 71
Functional Overview 5 - 21 72
5 - 22 Functional Overview 73
Removal and Replacement 74
6 - 2 Removal and Replacement 75
WARNING! 76
• 5.5 mm hexhead nutdriver 77
• small flathead screwdriver 77
• needlenose pliers 77
2 Remove the toner cartridge 79
2 Open the EP door 81
3 Remove the toner cartridge 81
Figure 6-6 83
4 Lift the Control Panel out 84
1 Remove Printer Covers 85
4 Lift the roller out 85
Delivery Assembly 86
Figure 6-10 87
Fuser Pressure Plate 88
To reinstall: 89
Heating Element 90
Figure 6-14 91
Pressure Roller 93
Face-Up/Face-Down Lever 94
Fuser Exit Roller Assembly 95
Paper Exit Sensor Flag 96
6 Lift the Solenoid off 99
1 Remove the Printer Covers 100
5 Lift the bushing out 101
To reinstall 102
Paper Feed Frame 103
Replacement 104
Figure 6-27 104
Removal and 104
6-28, callout 1) 105
Kick Plate 108
Separation Pad 110
Subpad Removal 111
Figure 6-34 111
Feed Assembly 112
5 Remove the Feed Assembly 113
2 Remove any extra memory 115
Motor Removal 116
Figure 6-39 116
DC Controller 117
ESD SENSITIVE! 118
Figure 6-42 119
Formatter PCA 120
Troubleshooting 122
7-2 Troubleshooting 123
Paper Path and Components 126
DC Controller Diagram 127
Printer Error Troubleshooting 128
Printer Status Messages 129
Table 7-3 Unclearable Error 130
Service and Error Messages 131
Troubleshooting 7-11 132
7-12 Troubleshooting 133
Check the Toner Cartridge 134
Image Defect Examples 135
Troubleshooting Checks 142
• Charging (1) 145
• Drum Ground (2) 145
• Developing Roller (3) 145
Paper Curl 147
Troubleshooting Tools 148
Repetitive Image Defect Ruler 149
Main Wiring Diagram 150
7-30 Troubleshooting 151
Troubleshooting 7-31 152
7-32 Troubleshooting 153
Parts and Diagrams 154
8-2 Parts and Diagrams 155
Ordering Parts 156
Ordering Consumables 157
Accessories and Supplies 158
Common Hardware 159
Parts and Diagrams 8-7 160
8-8 Parts and Diagrams 161
Parts and Diagrams 8-9 162
8-10 Parts and Diagrams 163
Parts and Diagrams 8-11 164
8-12 Parts and Diagrams 165
Parts and Diagrams 8-13 166
8-14 Parts and Diagrams 167
Parts and Diagrams 8-15 168
8-16 Parts and Diagrams 169
Parts and Diagrams 8-17 170
8-18 Parts and Diagrams 171
Parts and Diagrams 8-19 172
8-20 Parts and Diagrams 173
Parts and Diagrams 8-21 174
8-22 Parts and Diagrams 175
Parts and Diagrams 8-23 176
8-24 Parts and Diagrams 177
Parts and Diagrams 8-25 178
8-26 Parts and Diagrams 179
Parts Index 180
Parts Index A-3 182
A-4 Parts Index 183
Parts Index A-5 184
A-6 Parts Index 185
Parts Index A-7 186
A-8 Parts Index 187
Parts Index A-9 188
A-10 Parts Index 189
Parts Index A-11 190
A-12 Parts Index 191
Regulatory Information 192
Laser Statement (Finland) 193
Toner Safety 194
Ozone Emission 194
VCCI Statement (Japan) 195
FCC Statement (Class B) 195
Service Notes 196
C-2 Service Notes 197
SERVICE NOTE 198
C-4 Service Notes 199

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HP LaserJet 6L User Manual Page 86

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