When the main window is open and the printer is printing (safety compliance) .............................. 27
How to troubleshoot the 79:04 system error .............................................................................. 28
3 System error codes ......................................................................................................... 41
What to do if the front panel is blank ....................................................................................... 42
System error codes ................................................................................................................. 42
Explanation of system error codes and warnings ........................................................................ 42
Continuable and non-continuable error codes ............................................................................ 45
4 Ink supplies .................................................................................................................... 76
What are ink supplies? ........................................................................................................... 77
General information about the ink supplies ................................................................................ 79
General precautions when handling ink supplies ........................................................................ 79
Priming the ink system ............................................................................................................. 80
When should you replace the ink supplies? ............................................................................... 80
Obtaining Ink Cartridge information ......................................................................................... 81
Obtaining Printhead information .............................................................................................. 81
Summary of solving ink supplies problems ................................................................................. 85
Troubleshooting Printhead error codes ...................................................................................... 86
Carriage Interconnect Wiper ................................................................................................... 87
Warranty information for ink supplies ....................................................................................... 87
5 Service tests and utilities ................................................................................................. 89
Introduction ........................................................................................................................... 90
Diagnostics—self test .............................................................................................................. 90
Phone support ........................................................................................................................ 90
Service tests (diagnostics) ........................................................................................................ 90
Entering the Service Tests menu ................................................................................................ 91
Service utilities ..................................................................................................................... 108
6 Service calibrations ....................................................................................................... 122
Service calibrations .............................................................................................................. 123
Entering the Service Calibrations menu ................................................................................... 124
7 Print quality ................................................................................................................. 145
Initial print-quality troubleshooting actions ............................................................................... 146
Troubleshooting tools ............................................................................................................ 147
How to use the Image Quality Service Diagnostic Print ............................................................. 151
Print-quality issues by symptom .............................................................................................. 168
Working with other commercially available papers .................................................................. 181
8 Parts and diagrams ...................................................................................................... 186
Printer ................................................................................................................................. 187
viii ENWW
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