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HP DesignJet T770/T1200 printer series service manual

CH538A Service Manual View Service Manual

Table of Contents

Troubleshooting
Using the Front Panel
General Troubleshooting
Performing a Service Test on a failed Assembly
Performing the Necessary Service Calibrations
Troubleshooting System Error Codes
Cover Sensors are not Working
Solving Print Quality Problems
The Front Panel is blank
The Line Sensor has Problems Detecting Media
The Printer Continuously Rejects Printheads
The Printer does not power on
Troubleshooting Media Jams/Printhead Crashes
The Media Basket was damaged during printer setup
Banding at variable extreme environmental conditions
Solving Paper-Handling Problems
Worm marks on HP Coated media with light area fills
Print quality troubleshooting
The Service Image Quality Diagnostic Print
Reading the Diagnostic Print Results
The Advanced Diagnostic Prints
Reading the Advanced Diagnostic Print Results
Troubleshooting Print Quality Problems
Print Quality Troubleshooting Wizard
Ink Supplies Troubleshooting
Introduction to ink supplies
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
Connectivity troubleshooting
Embedded LAN connectivity troubleshooting
USB device connectivity troubleshooting
EIO Jetdirect card connectivity troubleshooting
USB host features
Special firmware upgrades
System Error Codes
Introduction
Printer logs
Reporting a system error to HP support
Understand System Error Codes
What to do if the Front Panel is blank
Continuable and Non-Continuable Error Codes
System Error Code Brief Descriptions
System Error Codes - Full Descriptions
Appendix A: How to troubleshoot SE 79:04
Introduction
Possible causes
Troubleshooting based on symptoms
Appendix B: Updating firmware in diagnostics boot mode
Appendix C: Obtaining the printer log and the diagnostics package
Diagnostics Menu
Diagnostic Tests and Utilities
Introduction
Auto-Diagnostics Test
Initialization Self Test
Phone Support
Entering the Diagnostics Menu
Scan Axis Test
Paper Drive Test
Electronics Module Test
Carriage Assembly Test
Sensors Test
Rewinder Test
Ink Delivery System (IDS) Test
Service Station Test
I/O Information Utility
Unit Information Utility
EEROM Reset Utility
Front Panel Lock Reset Utility
Hard Disk Recovery Utility
File System Check
Service Menu
Introduction
Service Utilities
Entering the Service Utilities Menu
Turn Drive Roller
Purge Tubes
Reset Life Counters
Diagnostic Print
Set Date and Time
Enable/Disable Firewall
Disk Wipe DoD 5220.220M
Enable/Disable Sleep Mode
SNMP Language Write Access
I/O Tests
Enable/Disable Port 280
Show/Hide Front Panel Information
Rewinder Adjust
Disable Upper Roll Cover (T1200 series only)
Enable Upper Roll Cover (T1200 series only)
Service Calibrations
Special Cutter Mode
Entering the Service Calibrations Menu
Paper Advance Calibration
Drop Detector Calibration
Line Sensor Calibration
Calibrate Sheet Sensor
Parts and Diagrams
Printer Support
Center Covers (Front)
Roll Covers
Center Covers (Rear)
Right Cover
Left Cover
Right Hand Assemblies
Left Hand Assemblies
Carriage Assembly
Scan-Axis Assemblies
Paper Path Assemblies (Front)
Paper Path Assemblies (Rear)
Roll Supports
Tool Kits
Miscellaneous Parts
Removal and Installation
Introduction
Service Calibration Guide to Removal and Installation
Belt Assembly
Bin Assembly
Bi-stable Springs (T1200 only)
Bumpers, Left and Right
Cable Harness
Carriage and Cutter Assembly
Carriage Bushing, Rear
Carriage Cover and Carriage Latch
Carriage Rail Oiler
Carriage PCA
Cleanout
Converger
Cover, Front
Cover, Left
Cover, Rear
Cover, Right
Cover, Top
Cutter Assembly
Drop Detector
EE Box
Electronics Module Main PCA and PSU
Encoder Disk and Encoder Sensor
Encoder Strip
Encoder Strip, spring and attachment nut
Formatter
Freewheel Assembly
Front Panel
Front Trim, Left
Front Trim, Right
Full Bleed Foam
Hard Disk Drive
Ink Cartridge Door, Left
Ink Cartridge Door, Right
Ink Supply Station, Left
Ink Supply Tubes
Ink Supply Tubes Support Rail
Line Sensor
Media Advance Drive
Media Lever
Media Lever Position Sensor
Media Output Assembly
Out-of-paper Sensor
Panel, Left
Pen to Paper Space (PPS) Solenoid
Pinch Arm Assembly
Pinchwheel Assembly
Print Zone Overdrive
PSU
Real-time Clock Battery
Roll Cover Bumpers, Lower
Roll Cover Bumpers, Upper
Roll Cover, Lower (T1200 only)
Roll Cover, Upper
Roll Guide, Left
Roll Guide, Right
Roll Support, Lower Left (T1200 only)
Roll Support, Lower Right (T1200 only)
Roll Support Sensor, Lower Left (T1200 only)
Roll Support Sensor, Upper Left
Roll Support, Upper Left
Roll Support, Upper Right
Scan-axis Motor
Service Station
Single Sheet Sensor
Spindle
Spittoon, Left
Starwheel Assembly
Starwheel Lifter, Left
Starwheel Lifter, Right
Starwheel Motor
Trailing Cable
Wall Spacers
Window
Window Position Sensor
Preventive Maintenance
Preventive Maintenance
Cleaning the Drive Roller and Overdrive
Cleaning the Encoder Strip
Cleaning the Printer
General Cleaning
Carriage Assembly Lubrication
Moisture on the Printer
Preventive Maintenance Kits
Belt Swelling
Level of Printer Usage
Noisy Carriage Bushing
Preventive Maintenance Kit #1 (CH538-67024)
Preventive Maintenance Kit #2 (CH538-67040)
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