HP Color LaserJet Printer 2820 User's Manual
Contents
1. 263 improving print 263 Understanding print quality 263 To temporarily change print quality settings 263 To change print quality settings for all future jobs 263 Identifying and correcting print 263 Print quality 264 General print quality 265 Solving issues with color 2 271 Media handling 272 Print media 272 Solving print media 273 Performance 274 Scan a aiii 276 Solving scanned image 2 220 2 211 276 Scan quality 277 22255000 ida diia 277 Solving scan quality 278 Scan Specific error MESSAGES omic idas 279 0 1 280 Preventing2. 96 Step 7 8 97 FUSING 98 Step S US 98 Step 9 roller charging auxiliary transfer belt cleaning 02 2 98 Step 10 roller charging transfer belt cleaning 99 Step 11 transfer belt 99 Step 12 Arun cleaning E 100 ad 102 Imaging drum Enlabel ccoo nr 103 Scanner ADF functions 00000010001 104 SCANNEFTUNCIONS uc ist 104 Scanner operatio Nisei 104 225 544 ADF paper path and ADF 105 ADF jam detection 106 Fax functions and Operational altas 107 PSTN 107 receive faxes when you hear fax 107 fax 107 Formatter the fax
3. 108 LIU in the fax 108 Safety ISOlAUON cocinada 108 Salety protection Circulo 108 Data a 109 HOOK eve Ae 109 Downstream current 109 SWITCH COMO riada 109 A ON 110 Line current control icon aaa 110 Billing metering tone rra narran rra rar 110 Fax page storage in flash 14 nenene ent 110 Stored fax 111 Advantages of flash Memory storage 111 5 Removal and replacement Chapter COMMIS iia 113 Removal and replacement Strategy 114 A ON 114 Electrostatic DISCO ici cea pte iid aeons 115 Before performing 5 116 116 Postservico 16515 ias 116 Test 1 print quality 3 116 Test 2 copy quality
4. 339 Assembly locations 1 Of 2 EEE 342 Assembly locations 2 Of Durcal 344 O 346 Intemal assemblies 350 Printed circuit assemblies PCAS Jaci dd dea 380 Alphabetical parts 161 A ala 382 Numerical parts 399 417 ENWW
5. el 229 Removing tray 1 multipurpose 229 Removing optional tray 2 250 230 Removing the optional tray 2 pickup 233 Replacing the optional tray 2 Separation 235 6 Troubleshooting cina i 238 Troubleshooting 239 239 Control panel 8 244 Alert and Warning 244 Critical error Messages iii ill la 253 AMS A A 256 Media jams occur the 256 Tips to avoid Media 256 Where to look for 256 To clear a media jam inside the 257 To clear Output area 8 2222 4 22 0 2 ta 258 Media jams occur in the automatic document feeder 260 To clear a media jam from the automatic document feeder ADF 260 Print problems misro a aa ia 263 Print quality 6
6. 117 Test fax quality 117 Test 4 1 117 Parts removal Order 2 118 User replaceable 119 ENWW ENWW Replacing the print 119 Replacing the imaging 121 Replacing the eee 123 Replacing the ADF assembly 124 Removing the ADF separation 130 Replacing the ADF scanner 01 65 132 Replacing the fuser 133 Replacing the control panel 134 Replacing the tray 1 pickup roller and Separation 135 NN 142 Removing the left 142 Removing the right 8 142 Removing the right rear 222 11100 146 Removing the scanning 148 Removing the left 153 Removing the left Upper 199 Removing the right Upper 155 Replacing the
7. 39 2 Installation and operation aa 41 Operating musicaradio 42 a 43 Control panel E 44 46 aiii 47 Top output 47 Rear Output DN aii 47 Loading A 48 Loading 48 Loading Optional tay 2 49 Loading documents 10 SCAN iii da 50 919 civic ad 53 Viewing HP TOOND OX 53 SUALUS 54 Fax 54 SCAN ii 55 Troubleshooting 55 DOCUMENTATION 55 Device Settings 56 System Settings tab 56 ENWW Prot ceninge 57 5 57 Copy Settings tab 57 Network Settings tab
8. 3 4 Device DAMS 6 ETOM aeai a 6 BACK VIEW 6 Model and serial 7 SOTWAare COMPONEN S cia cit 12 System Software supported operating 12 SoftWare 14 Gaining access to the device 14 Obtaining the latest printing 14 Other print System 14 Software 8 555 2 ada vada 15 Using 15 Software for 15 15 PPDs OS 922 15 PDEs Mac OS 10 2 and 10 3 16 16 Embedded Web server 2 16 Soft
9. 30 Print Cartridge and Imaging Drum Limited Warranty 31 Print cartridge a 32 Refilled print 32 HP LaserJet printing 32 HP Printing Supplies Returns and Recycling Program 32 Regulatory 5 ainn na iaa 33 FCC Requirements United 22 2 dd Aa 33 Telephone Consumer Protection Act United 34 EU statement for telecom 9 9 9 34 New Zealand telecom 5 34 5 03 TE QUITE MENTES iii rt 34 Declarations 36 Declaration 36 Declaration of 36 Country region specific safety 38 Laser safety statement ii 38 Canadian DOC 38 Korean EMI Statements 38 Finnish laser
10. its 57 HP 58 Other INKS 58 Embedded Web 8 59 59 3 Maintenance Chapter 61 Life expectancies Of 62 Cleaning the 64 Cleaning the device exterior and 64 Cleaning the paper eae 65 Managing SUpPIES E EAEEREN aa 68 Supplies life iaa 68 Checking ordering 68 To check status and order supplies using the control 68 To check status and order supplies using the HP 69 Storing 69 Replacing and recycling 8 69 HP policy for non HP 59 Resetting the device for non HP 69 St ea cts 70 4 Theory of operation Chapter 71
11. 299 e AA E 299 Service mode 301 i itializZation 301 Secondary service MON yee 301 print secondary Service 303 aia ada aiii 306 Device pages 306 DEMO PAGe 306 Configuration 306 a 306 Usage Page a 306 ENQING tESt Page ae cc 307 ata ve es 307 il 307 activity 6 2 307 report 307 ProtOc l 308 317 TO VIEW HP TOOIDOK 2 cs 317 Troubleshooting 20041 2 0 0 00 317 318
12. 72 Engine control 5 5 76 Basic sequence 76 Power on 5 78 ta eer 79 80 Pickup and foed alza E 81 Optional Tay 83 detection cuina 84 Photosensors SWITCHES 85 Solenoids 87 Printed circuit 89 Image formation 91 Image tormation process iii liliana 93 Latent image formation 01 1 94 Step T primary das 94 Step 2 94 Developing daa 95 Step 3 auxiliary 95 Step 4 developing 95 Transter Silage iia o ill 96 Step 5 primary 96 ENWW Step 6 secondary
13. siete 280 viii ENWW ENWW 280 Media hanaling 282 Performance 283 problems 3 285 Problems receiving 285 Problems SCNGING RA 287 Voice Call 288 Media handling 289 Performance EEEE EEEn nennen EEEren nnee 289 Memory 215900 A 291 Missing or Wrong 291 Index page 291 Proof Sheet Not Printing aiii diia 292 Proof sheet not cnn ncnn anar nn nn nn 292 Issues With photo PEINTINO 293 295 ENGING LOSE 295 Half self test 296 Heating element 68 canas 296 Cartridge high voltage 1
14. Restoring the factory set 318 Cleaning the paper 318 Setting the scanner bulb power Save 319 Reducing paper 319 O 320 Timing 320 2 2555222 06 322 DC controller 325 Printer Calib 8 326 Repetitive image defect 327 Mam gt 328 Updating or recovering the firmware 330 Firmware update by using flash 330 Firmware recovery DIMM 330 7 Parts diagrams Chapter COMMS reinii ninia 333 Ordering parts SUPplOS 334 334 Related documentation 334 SUP PUSS viii 334 ACCESOO cia 335 ACCESSOS 335 Replacement Ki an eet 337 Automatic document feeder and scanner
15. HP Color LaserJet 2820 2830 2840 Service Manual For the complete PDF manual please visit www LaserPros com 1 AA HP Color LaserJet 2820 2830 2840 all in one Service Manual invent Copyright and License O 2004 Copyright Hewlett Packard Development Company LP Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws The information contained in this document is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Part number Q3948 90943 Edition 1 12 2004 Safety information WARNING Potential Shock Hazard Always follow basic safety precautions when using this product to reduce risk of injury from fire or electric shock Read and understand all instructions in the device user guide Observe all warnings and instructions marked on the product Use only a grounded electrical outlet when connecting the device to a power source If you do not know whether the outlet is grounded check with a qualified electrician Do not touch the contacts on the end of any of the sockets on the de
16. Ware Installation 16 16 Minimum installation 17 Uninstalling the printing DL Using Add or Remove Programs to 2 17 Uninstalling software for 18 19 Media Specifications ipisna a aaa 23 Supported media weights 23 General 5 AAEN Aa 24 ti 25 Special media print 5 22 1 60600 1100000 25 Printing and storage 26 ENWW 27 Envelope Storage tddi iaala 27 Envelope 11010 27 Envelopes with double 28 Envelopes with adhesive strips Or 28 28 22 29 Hewlett Packard limited warranty
17. memory card assembly HP Color LaserJet 2840 all in one only 157 Removing the input output I O 158 Removing the 161 Removing the top cover 162 Removing the upper multipurpose 165 Removing the density sensor top of page 167 Removing the multipurpose roller 168 Removing the lower multipurpose 169 Main it 172 Removing the control 172 Removing the left support 173 Removing the right Support 174 Removing the laser scanner 175 Removing the transfer roller 177 Removing the transfer Tollense o 178 Removing the formatter 180 Removing the formatter 180 Removing the formatter and line interface unit 182 Removing the E label reader for imaging drum 185 Removing the DC ea 187 Re
18. moving the top 189 Removing the gear 192 Removing the waste toner 195 Removing the rotary drive 196 Removing the print cartridge 199 Aligning the carousel coca RRE 203 Removing the registration roller ASSEMDIY 204 Removing the toner Catch 204 Removing the feed drive shaft and 205 Removing the power supply Cover 214 Removing the 9 218 Removing the fUSer wrap 219 Motors and data 222 vil Removing the fuser 222 Removing the carousel engagement 4 42 223 Removing the air duct 223 Printed circuit assemblies PCAS 225 Removing the sub high voltage transformer 225 Removing the high voltage transformer 1 226 Removing the low voltage 226
19. vice Replace damaged cords immediately Unplug this product from wall outlets before cleaning Do not install or use this product near water or when you are wet Install the product securely on a stable surface Install the product in a protected location where no one can step on or trip over the power cord and where the power cord will not be damaged Ifthe product does not operate normally see the online User Guide Refer all servicing questions to qualified personnel Information regarding FCC Class Parts 15 and 68 requirements can be found in the device user guide Trademark Credits Adobe Photoshop and PostScript are trademarks of Adobe Systems Incorporated Corel is a trademark or registered trademark of Corel Corporation or Corel Corporation Limited Microsoft Windows and Windows NT are U S registered trademarks of Microsoft Corporation UNIX is a registered trademark of The Open Group ENERGY STAR and the ENERGY STAR logo are U S registered marks of the United States Environmental Protection Agency 274 Table of contents 1 Product information 8 a ads 1 Device CONTIQUTAIONS cuco ri EE a EEE io 2 HP Color LaserJet 2820 2 HP Color LaserJet 2830 2 2 HP Color LaserJet 2840
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