HP LASERJET 5100LE Manuel d'utilisateur Page 76
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74 Functional information Q1860-90918
High-voltage power distribution
Figure 11. High-voltage power supply circuit
In response to the instructions from the microprocessor (CPU) on the dc controller, this circuit
applies the superimposed voltage of dc voltage and ac voltage to the primary charging roller and
developing cylinder, and a positive or negative dc voltage to the transfer charging roller.
According to the image-density information sent from the formatter PCA, this circuit varies the
primary dc bias and developing dc bias to adjust the image density.
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- 5100tn 5100dtn 1
- NERGY STAR 4
- Contents 5
- 4 Printer maintenance 6
- 5 Functional information 7
- 8 Q1860-90918 10
- 1 Printer description 17
- Printer features 18
- Printer information 19
- Identification 21
- Site requirements 22
- Space requirements 23
- 62.0 cm (24.4 in) 24
- 75.5 cm (29.7 in) 25
- Environmental requirements 26
- Paper specifications 27
- Supported types of paper 28
- Guidelines for using paper 29
- Transparencies 31
- Envelopes 31
- Envelope margins 32
- Envelope storage 32
- Card stock and heavy paper 33
- Safety information 34
- Laser statement for Finland 35
- Luokan 1 laserlaite 35
- Material Safety Data Sheet 35
- Protecting the environment 36
- 2 Service approach 37
- Regulatory information 38
- Service approach 38
- Service and support 39
- A.M. to 6 P.M., Mountain 40
- Latin America 41
- 3 Printer operation 43
- Using the control panel 44
- Control panel keys 45
- Settings and defaults 46
- Control panel menus 47
- Private/stored jobs menu 48
- Information menu 49
- Paper-handling menu 50
- Print-quality menu 52
- Printing menu 53
- Permanent soft fonts 54
- Configuration menu 55
- I/O menu 57
- Item Values Explanation 59
- Resets menu 60
- Service mode 61
- Page count 62
- Serial number 63
- Cold reset paper size 64
- Diagnostics 64
- Clear event log 64
- Testing the printer 65
- Resetting the printer 65
- System configuration 66
- Printer I/O configuration 66
- Cleaning spilled toner 69
- Preventive maintenance 70
- Printer subsystems 73
- Power supply system 74
- Toner-cartridge detection 77
- Dc controller system 77
- Laser and scanner drive 78
- Formatter system 80
- Input/output 81
- Printer memory 82
- Memory Enhancement technology 82
- Page protect 83
- Control panel 83
- Image-formation system 84
- Toner cartridge 85
- Photosensitive drum 86
- Conditioning the drum 87
- Writing the image 88
- Developing the image 89
- Transferring the image 90
- Variable fusing temperature 92
- Paper feed system 93
- Clutches and sensors 94
- Printing from Tray 1 94
- Printing from Tray 2 95
- Paper jam 99
- Duplexer 100
- Paper jam in the duplexer 102
- Basic sequence of operation 103
- Removing and replacing parts 107
- User-installable accessories 109
- Checking memory installation 111
- Paper-handling accessories 112
- Before you begin 113
- Parts removal order 114
- Rear door and rear output bin 115
- Top cover 117
- Toner cartridge door assembly 121
- Front cover and Tray 1 122
- Front cover pins 123
- Face-down cover 124
- Left and right side covers 125
- Tray 1 inner cover 126
- Right and left corner covers 128
- Internal assemblies 129
- Transfer-roller assembly 130
- To reinstall 132
- Paper-handling PCA 133
- Top margin adjustment 134
- Test print 135
- Main gear assembly 136
- Pickup gear assembly 138
- Tray 1 pickup solenoid 139
- Formatter assembly 141
- Tray 1 roller 142
- Tray 1 separation pad 143
- Tray 2 pickup roller 144
- Tray 2 separation pad 145
- Paper-feed roller assembly 146
- Paper-feed belt assembly 150
- Tray 1 shaft 152
- Tray 2 shaft 154
- Tray 1 lift plate 156
- Paper guide 157
- Top-of-page sensor 158
- Accessory interface connector 160
- Registration assembly 161
- Upper delivery assembly 163
- Delivery roller 164
- Laser/scanner assembly 166
- Main motor 167
- Toner cartridge guides 168
- Power inlet assembly 169
- Optional 250-sheet feeder 170
- Pickup roller 171
- Sensing flag 172
- Control PCA 173
- Paper-size spring assembly 175
- Optional 500-sheet feeder 176
- Tray indicator assembly 178
- 500-sheet feeder feed roller 180
- 500-sheet feeder PCAs 182
- 7 Troubleshooting 185
- Troubleshooting process 186
- Troubleshooting process flow 187
- Preliminary operating checks 189
- Power on 190
- Table 30. No ac power 191
- Cause Action 191
- Table 31. No dc power 191
- Engine test 192
- Event log 193
- Print the event log 194
- Interpret the event log 194
- Printer messages 195
- INITIALIZING 196
- DO NOT POWER OFF 196
- <number> 196
- PROTECT=ON 198
- PAGE PROTECT=ON 198
- 68 NVRAM ERROR 202
- CHECK SETTINGS 202
- Paper-path test 205
- Information pages 206
- Configuration page 207
- Verify the installed options 208
- Image quality 209
- EconoMode 210
- Image defects 211
- Possible cause Action 212
- Table 36. Black page 213
- Table 37. Blank page 214
- Table 39. Creases 216
- Table 40. Curl 216
- Table 41. Dark print 217
- Table 43. Distorted image 218
- Table 46. Gray background 220
- Table 49. Skew 222
- Table 48. Repetitive defects 222
- SMALL PAPER SPEED=SLOW 223
- Repetitive defect ruler 225
- INFORMATION MENU 226
- Interface troubleshooting 227
- Reference diagrams 229
- Figure 134. Duplexer 235
- Figure 135. Duplexer 236
- Figure 136. Duplexer 237
- Sensors and signals 238
- Sensor Name 239
- Figure 139. Printer sensors 240
- Figure 142. Duplexer sensors 241
- Figure 143. Printer switches 242
- Figure 147. Motors (duplexer) 245
- Figure 151. PCAs 249
- Figure 152. PCA (duplexer) 250
- Table 57. PCAs 250
- No. Name Function 250
- 8 Parts and diagrams 259
- Ordering parts 261
- Ordering consumables 261
- Accessories and supplies 262
- Description Part number 263
- Table 63. Replaceable cables 263
- Diagrams and parts lists 264
- Table 77. Main gear assembly 280
- 2 Q1860-69005 1 Dc controller 282
- See figure 176 283
- Figure 178. Fuser 284
- Table 81. Fuser 284
- Figure 179. 250-sheet feeder 285
- Table 82. 250-sheet feeder 285
- Table 83. 250-sheet feeder 286
- Table 86. 500-sheet feeder 290
- Figure 184. Duplexer 291
- Table 87. Duplexer 291
- Alphabetical parts list 292
- Numerical parts list 296
- Q1860-90918 Index 299 301
- Numerics 301
- 300 Index Q1860-90918 302
- Q1860-90918 Index 301 303
- 302 Index Q1860-90918 304
- Q1860-90918 Index 303 305
- 304 Index Q1860-90918 306
- Q1860-90918 Index 305 307
- 306 Index Q1860-90918 308
- Q1860-90918 Index 307 309
- 308 Index Q1860-90918 310
- Q1860-90918 Index 309 311
- 310 Index Q1860-90918 312
- Hewlett-Packard Company 314
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