HP Designjet 4000, 4020 Series (service manual)

Conventions......Page 4
Table of Contents......Page 5
Troubleshooting......Page 7
Performing a Service Test on a Failed Assembly......Page 8
Cover Sensors are not Working......Page 9
Troubleshooting Media Jams/Printhead Crashes......Page 10
Troubleshooting Shutdowns......Page 11
Printhead Crashes/Smears on High Density Prints Using Coated Media......Page 12
Worm marks on HP Coated media with light area fills......Page 13
Solving Media-Handling Problems......Page 14
Using the Power-up Sequence to Troubleshoot......Page 17
Using the Power Switch LEDs to Troubleshoot......Page 20
Using the PCA LEDs to Troubleshoot......Page 21
How to Interpret the Service Information Pages......Page 24
Current Media, Printhead and Ink Information......Page 25
Printer Usage Information......Page 27
Event Logs......Page 30
Calibrations Status......Page 31
System Error Codes......Page 33
Continuable and Non-Continuable Error Codes......Page 34
System Error Codes and Warnings - Explanation......Page 57
Ink Supplies Troubleshooting......Page 61
Ink Cartridges......Page 62
Printhead Cleaners......Page 63
General Precautions When Handling Ink Supplies......Page 64
When Should You Replace the Ink Supplies?......Page 65
Obtaining Ink Cartridge Information......Page 66
Obtaining Printhead Information......Page 67
Ink Cartridge Status While Replacing......Page 69
Printhead Status Messages While Replacing......Page 70
Printhead Cleaner Status Messages While Replacing......Page 71
Summary of Solving Ink Supplies Problems......Page 72
Troubleshooting Printhead Error Codes......Page 73
Carriage Interconnect Wiper......Page 74
Warranty Information for Printheads......Page 75
Diagnostic Tests and Utilities......Page 77
Phone Support......Page 78
Entering the Diagnostics Tests Menu......Page 81
1. Scan Axis Test......Page 83
2. Media Drive Test......Page 88
3. Electronics Module Test......Page 93
4. Carriage Assembly Test......Page 103
5. Sensors Test......Page 104
6. Ink Delivery System Test......Page 108
7. SVS/Aerosol Fan Test......Page 109
8. Air Pump System Test (firmware 10.1.1.4)......Page 110
9. Vacuum Fans Test......Page 112
10.1 Others >>> Bag Broken Recovery......Page 113
10.2 Others >>> IO Information......Page 116
10.3 Others >>> Unit Information......Page 117
10.4 Others >>> Check Ink Supplies......Page 119
10.5 Others >>> Enable Connectivity......Page 121
11. EEROM Reset......Page 122
12. Set Unit Configuration......Page 124
13. Error 71:19 Recovery......Page 125
14. I/O Tests......Page 127
15. Log Management......Page 129
Entering the Service Utilities Menu......Page 133
1. Turn Drive Roller......Page 135
2. Prime Tubes......Page 137
3. Set SN......Page 141
4. Reset Life Counters......Page 142
5. Diagnostic Print......Page 144
6. Sleep Mode......Page 145
7. Replace Cutter......Page 146
8. Set RTC Clock......Page 147
9. PHC Maintenance......Page 148
10. Media standby behavior......Page 150
11. Backup print mode......Page 152
12. Sanitize Level......Page 153
13. Disk Wipe......Page 155
Service Calibrations......Page 157
Entering the Service Calibrations Menu......Page 159
1. Scan Axis Calibration......Page 160
2. Service Station Calibration......Page 164
3. Paper Advance Calibration......Page 165
4. Drop Detector Calibration......Page 171
5. Line Sensor Calibration......Page 172
6. Platen Blue Line Calibration......Page 176
7. Vacuum Calibration......Page 178
8. Carriage PCA Calibration......Page 179
Print Quality......Page 181
Print Quality Troubleshooting Actions......Page 182
Choosing the Correct Print Quality Settings......Page 183
Considerations for Printing the Diagnostic Print......Page 185
Printing the Service Image Quality Diagnostic Print......Page 186
Diagnostic Part 1: Alignment Test......Page 187
Diagnostic Part 2: Printheads & Paper Advance Test......Page 188
Diagnostic Part 3: Printhead Problems......Page 189
Nozzle Print Test......Page 191
Print Banding Plot......Page 192
Force Drop Detection Tool......Page 194
Print Quality General Advice......Page 195
Horizontal Lines Across the Image (Banding)......Page 196
Advanced Banding Troubleshooting for Experts......Page 197
Dark Light Zone Banding (DLZB)......Page 200
Lines are Missing or Thinner than Expected......Page 201
Solid Bands or Lines Printed Over the Image......Page 202
Print Smudges when Touched......Page 203
Paper is not Flat......Page 204
Defect Near the Top of the Print......Page 205
Lines are Printed Double or in Wrong Colors......Page 206
Problems with Color Accuracy......Page 207
Problems with PANTONE Color Accuracy......Page 208
Color Matching Between Different HP Designjet Printers......Page 209
Problems with Image Clipping......Page 211
Output Only Contains a Partial Print......Page 212
Image is Unexpectedly Rotated (PostScript Driver)......Page 213
One Image Overlaps Another on the Same Sheet......Page 214
Pinchwheel Marks when using Glossy Media......Page 215
VLS in 1 Pass Printmodes......Page 216
Bubbles (Only occurs in Cyan, Magenta and Yellow)......Page 217
Black Printhead: Decap Problem......Page 218
Paper Expansion - Paper Advance (PEPA)......Page 219
Ink Contamination on Yellow Printhead......Page 220
Satellites in Black Lines......Page 221
Parts and Diagrams......Page 223
Removal and Installation......Page 253
Electrostatic Discharge (ESD) Precautions......Page 254
Screw Types......Page 255
Removal......Page 256
Installation of New Window......Page 257
Removal......Page 258
Removal......Page 261
Removal......Page 263
Removal......Page 268
Removal......Page 270
Removal......Page 271
Removal......Page 272
Removal......Page 275
Removal of the Service Station Scraper......Page 278
Removal......Page 279
Removal......Page 281
Removal......Page 283
Removal......Page 285
Removal......Page 298
Removal......Page 310
Removal......Page 311
Removal......Page 312
Removal......Page 314
Installation for printers with the serials numbers before SG6A9H900Z and SG6ABH9014......Page 315
Removal for printers with the serial numbers SG6A9H900Z and SG6ABH9014 and onwards......Page 319
Installation for printers with the serial numbers SG6A9H900Z and SG6ABH9014 and onwards......Page 320
Removal......Page 322
Removal......Page 323
Removal......Page 324
Removal......Page 327
Installation......Page 329
Removal......Page 332
Removal......Page 334
Removal......Page 339
Removal......Page 340
Removal......Page 343
Removal......Page 345
Removal......Page 348
Removal......Page 350
Removal......Page 355
Removal......Page 357
Removal......Page 359
Delta Fan Installation......Page 360
AAvid Fan Installation......Page 361
Removal......Page 363
Removal......Page 365
Removal......Page 371
Removal......Page 374
Removal......Page 376
Removal......Page 378
Removal......Page 379
Removal......Page 381
Installation of the Foams......Page 384
Removal......Page 385
Removal......Page 386
Removal......Page 387
Removal......Page 389
Removal......Page 392
Removal......Page 394
Removal......Page 397
Removing individual Pinchwheels......Page 399
Important Information on Installation of Pinchwheels......Page 400
Removal......Page 401
Removal......Page 404
Installation of the Drive Roller......Page 408
Removal......Page 411
Installation......Page 412
Removal......Page 414
Installation......Page 415
Preventive Maintenance......Page 417
General Cleaning......Page 418
Cleaning the Center Platen......Page 419
Lubricating the Carriage Assembly......Page 421
Level of Printer Usage......Page 422