Table of contents 1 Troubleshooting ................................................................................................................ 1 Using the Touch Control Panel (MFP only) ................................................................................... 2 Using the Touch Control Panel ................................................................................................... 4 Service Key Combinations ......................................................................................................... 6 Product Troubleshooting trees (MFP) ...........................................................................................
7 Paper-handling troubleshooting ................................................................................................ 15 Ink-supplies troubleshooting ..................................................................................................... 16 Print Quality .......................................................................................................................... 37 The Service Image Quality Diagnostic Print ............................................................................... 38 Reading the Diagnostic Print Results ..........................................................................................
40 Advanced Diagnostic Prints ..................................................................................................... 45 Reading the Advanced diagnostic Print Results ........................................................................... 47 Troubleshooting Print Quality Problems ..................................................................................... 53 Connectivity troubleshooting .................................................................................................... 66 2 System Error Codes .........................................................................................................
71 Introduction ........................................................................................................................... 71 Product logs .......................................................................................................................... 72 What to do if the Touch Control Panel is blank .......................................................................... 72 Troubleshooting system Error 08:11 using LEDs of the Formatter .................................................. 76 Continuable and Non-Continuable Error Codes .........................................................................
77 System Error Code Brief Descriptions ........................................................................................ 77 System Error Codes—Full Descriptions ...................................................................................... 80 Appendix A: How to troubleshoot SE 79:04 ............................................................................ 109 Appendix B: Emergency firmware upgrade with USB flash drive ................................................ 121 Appendix C: Obtaining the product log and the diagnostics package ........................................ 122 Appendix D:
How to check the display list memory for an HP-GL/2 job ...................................... 126 3 Diagnostics Menu ......................................................................................................... 129 Introduction ......................................................................................................................... 129 Diagnostic Tests and Utilities .................................................................................................. 131 ENWW vii