1 Ink Supplies Troubleshooting & Print Quality ● Introduction ● Troubleshooting System Error Codes ● Performing a Service Test on a failed Assembly ● Performing the Necessary Service Calibrations ● Solving Ink Supplies Problems ● Solving Print Quality Problems ● Using the Front Panel ● The Printer does not Power ON ● The Printer Continuously Rejects Printheads ● What to do if the Front Panel is blank ● Cover Sensors are not Working ● The Line Sensor has Problems Detecting Media ● Problems with Color Accuracy ● Troubleshooting Media Jams/Printhead Crashes ● Banding at variable extreme environmental conditions ● Worm marks on HP Coated media with light area fills ● Solving Media-Handling Problems ● What to do when plastic parts on the Media Basket become damaged during printer setup ● Solving Ink Supplies problems ● Ink Cartridge Levels, Information, and Replacement ● Printhead Information, Replacement and Alignment ● Ink Cartridge and Printhead Status Messages ● Solving Ink Supplies Problems ● Maintaining and Cleaning the Printheads ● Print Quality ● The Service Image Quality Diagnostic Print ENWW 1