1
Troubleshooting
1 Troubleshooting
• Troubleshooting the printer ..................................................................................... 2
• Printer Education and Training.......................................................................... 2
• Firmware upgrade .......................................................................................... 2
• Troubleshooting system error codes.......................................................................... 2
• Performing a service test on a failed assembly........................................................... 2
• Performing the necessary service calibrations............................................................ 3
• Solving print quality problems................................................................................. 3
• The printer does not power on ................................................................................ 3
• Printer hangs during printing and displays ‘processing’ .............................................. 3
• The printer continuously rejects printheads ................................................................ 4
• A new Maintenenace Cartridge is incorrectly detected as ‘used’.................................. 4
• Cover sensors are not working ................................................................................ 4
• The line sensor has problems detecting media........................................................... 5
• Troubleshooting Media Jams/Printhead Crashes ....................................................... 5
• Troubleshooting shutdowns ..................................................................................... 5
• Vacuum suction much lower at high altitudes............................................................. 7
• Banding at variable extreme environmental conditions ............................................... 7
• Printhead Crashes/Smears on High Density Prints Using Coated Media....................... 7
• Banding due to ink cartridge replacement while printing ............................................ 7
• 34" Rice Paper not supported ................................................................................. 8
• Worm marks on HP Coated media with light area fills ............................................... 8
• Solving Media-Handling Problems........................................................................... 8
• Difficult to load media “Too much skew”................................................................... 8
• Troublshooting a failure with the Take UP Reel (TUR) .................................................. 9
• Using the buzzer at power-up for troubleshooting problems ....................................... 11
• Using the Power-up Sequence to Troubleshoot ..........................................................12
• Troubleshooting OMAS problem ............................................................................14
• Using the Power Switch LEDs to Troubleshoot............................................................15
• Using the PCA LEDs to Troubleshoot........................................................................16
• How to Interpret the Service Information Pages .........................................................19
• When the main window is open and the printer is printing (safety compliance)........... 29
• General RIP tips and tricks.................................................................................... 29
• How to troubleshoot the 79:04 System Error ............................................................31