Troubleshooting 1 Troubleshooting ● Printer education and training on page 3 ● Firmware update on page 3 ● Print-quality troubleshooting on page 4 ● Troubleshooting system error codes on page 4 ● Performing a service test on a failed assembly on page 4 ● Performing the necessary service calibrations on page 4 ● The printer does not power on on page 5 ● The printer continuously rejects printheads on page 5 ● A new maintenance cartridge is incorrectly detected as ‘used’ on page 5 ● Cover sensors are not working on page 5 ● The Line Sensor has problems detecting paper on page 5 ● Troubleshooting paper jams and printhead crashes on page 6 ● Troubleshooting paper, scan axis and Rewinder Motor shutdown on page 6 ● Vacuum suction much lower at high altitudes on page 8 ● Banding at variable extreme environmental conditions on page 8 ● Printhead crashes/smears on high-density prints using coated paper on page 8 ● Banding due to ink cartridge replacement while printing on page 9 ● 34-inch Rice Paper not supported on page 9 ● Worm marks on HP Coated Paper with light area fills on page 9 ● Solving paper-handling problems on page 9 ● Difficult to load paper:
“Too much skew” on page 10 ● Troubleshooting a failure with the Take-Up Reel (TUR) on page 10 ● How to read the power switch LEDs on page 13 ● How to read the Formatter LEDs on page 14 ● If the front panel turns on and then stops on page 16 ENWW 1