Description
SERVICE MANUAL TABLE OF CONTENTS
1 Troubleshooting
Printer education and training
Firmware update
Print-quality troubleshooting
Troubleshooting system error codes
Performing a service test on a failed assembly
Performing the necessary service calibrations
The printer does not power on
The printer continuously rejects printheads
A new maintenance cartridge is incorrectly detected as ‘used’
Cover sensors are not working
The Line Sensor has problems detecting paper
Troubleshooting paper jams and printhead crashes
Troubleshooting paper, scan axis and Rewinder Motor shutdown
Vacuum suction much lower at high altitudes
Banding at variable extreme environmental conditions
Printhead crashes/smears on high-density prints using coated paper Banding due to ink cartridge replacement while printing
34-inch Rice Paper not supported
Worm marks on HP Coated Paper with light area fills
Solving paper-handling problems
Difficult to load paper: “Too much skew”
Troubleshooting a failure with the Take-Up Reel (TUR)
How to read the power switch LEDs
How to read the Formatter LEDs
If the front panel turns on and then stops
How to interpret the Service Information Pages
When the main window is open and the printer is printing (safety compliance)
How to troubleshoot the 79:04 system error
2 System error codes
What to do if the front panel is blank
System error codes
Explanation of system error codes and warnings
Continuable and non-continuable error codes
3 Ink supplies
What are ink supplies?
General information about the ink supplies
General precautions when handling ink supplies
Priming the ink system
When should you replace the ink supplies?
Obtaining Ink Cartridge information
Obtaining Printhead information
Summary of solving ink supplies problems
Troubleshooting Printhead error codes
Carriage Interconnect Wiper
Warranty information for ink supplies
4 Service tests and utilities
Introduction
Diagnostics—self test
Phone support
Service tests (diagnostics)
Entering the Service Tests menu
Service utilities
5 Service calibrations
Service calibrations
Entering the Service Calibrations menu
6 Print quality
Initial print-quality troubleshooting actions
Troubleshooting tools
How to use the Image Quality Service Diagnostic Print
Print-quality issues by symptom
Working with other commercially available papers
7 Parts and diagrams
Printer support
Center Covers
Electronics Module
Right Cover
Left Cover
Right-Hand Assemblies
Left-Hand Assemblies
Carriage
Scan-Axis Assemblies
Drive Roller and Media-Axis Motor
Paper Path Assemblies
Center Guide and Pinchwheel Assembly
Media Entry Assemblies
Take-Up Reel assembly
Miscellaneous parts
8 Removal and installation
Service part order
Disassembly order
9 Preventive maintenance
Preventive maintenance
