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1Table of Contents
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
Printhead Maintenance Cartridge Path ......................................................................... 6
Paper Path ................................................................................................................ 6
Printhead path ........................................................................................................... 6
PWM shutdown ......................................................................................................... 6
Velocity shutdown ...................................................................................................... 6
Energy shutdown ....................................................................................................... 6
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
Take Up Reel LED status information ............................................................................. 9
Checking the Take Up Reel is correctly installed........................................................... 10
How the Take UP Reel Works .................................................................................... 11
Using the buzzer at power-up for troubleshooting problems........................................... 11
Using the Power-up Sequence to Troubleshoot ............................................................. 12
Corrective Actions for Power-Up Problems................................................................... 14
Troubleshooting OMAS problem .............................................................................................. 14
Using the Power Switch LEDs to Troubleshoot ............................................................................. 15
Using the PCA LEDs to Troubleshoot.......................................................................................... 16
Interconnect PCA ..................................................................................................... 16
PrintMech PCA ........................................................................................................ 17
Identifying faults from LED status ................................................................................ 17
How to Interpret the Service Information Pages........................................................................... 19
Main Characteristics ................................................................................................ 20
Current Configuration............................................................................................... 21
Current Media, Printhead and Ink Information ............................................................. 22
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