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HP DesignJet T7100 printer series service manual

CQ105A Service Manual View Service Manual

Table of Contents

Printing tips and tricks
Paper loading
Paper-advance calibration
Printhead alignment
Use of multiple rolls
Troubleshooting
Firmware update
Printer education and training
Forced firmware update
USB firmware update
Performing a service test on a failed assembly
Performing the necessary service calibrations
Print-quality troubleshooting
Troubleshooting system error codes
The printer does not power on
The printer hangs during printing and displays ?processing?
A new maintenance cartridge is incorrectly detected as ?used?
Cover sensors are not working
How to remove the Left Hub when the actuator is broken
The Line Sensor has problems detecting paper
The printer continuously rejects printheads
Troubleshooting paper jams and printhead crashes
Troubleshooting shutdowns
Maintenance cartridge path
Paper path
Printhead path
Banding at variable extreme environmental conditions
Vacuum suction much lower at high altitudes
Energy shutdown
PWM shutdown
Velocity shutdown
34" Rice Paper not supported
Banding due to ink cartridge replacement while printing
Printhead crashes/smears on high-density prints using coated paper
Difficult to load paper: ?Too much skew?
How to read the power switch LEDs
Solving paper-handling problems
Worm marks on HP Coated Paper with light area fills
How to read the Formatter LEDs
How to interpret the Service Information Pages
If the front panel turns on and then stops
Current configuration
Main characteristics
Current media, printhead and ink information
Printer usage information
Event logs
Media used sections
Calibration status
When the main window is open and the printer is printing (safety compliance)
Connectivity configuration
How to troubleshoot the 79:04 system error
Introduction
Possible causes
Troubleshooting based on symptoms
System error codes
Explanation of system error codes and warnings
System error codes
What to do if the front panel is blank
Continuable and non-continuable error codes
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