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HP DesignJets 500 800

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HP DesignJets 500 800 Manuel de service

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Description

HP DesignJets 500 800  Service Manual
First Edition, August 2000

 HP DesignJet 500 Printer - 24” Model (P/N C7769B)
 HP DesignJet 500 Printer - 42” Model (P/N C7770B)
 HP DesignJet 500PS Printer - 24” Model (P/N C7769C)
 HP DesignJet 500PS Printer - 42” Model (P/N C7770C)
 HP DesignJet 800 Printer - 24” Model (P/N C7779B)
 HP DesignJet 800 Printer - 42” Model (P/N C7780B)
 HP DesignJet 800PS Printer - 24” Model (P/N C7779C)
 HP DesignJet 800PS Printer - 42” Model (P/N C7780C)

Troubleshooting 1-1
Introduction 1-2
Troubleshooting System Error Codes 1-2
Solving Print Quality Problems 1-3
Cover Sensors are not Working 1-3
The Line Sensor has Problems Detecting Media 1-3
Troubleshooting Paper-Axis Shutdowns 1-4
Problems with the Vacuum Fan 1-5
Vacuum suction much lower at high altitudes 1-5
HP-GL/2 color differences in different HP DesignJet Printers 1-6
Banding at variable extreme environmental conditions 1-6
The Priming Procedure Fails 1-7
Using the Power Switch LED to Troubleshoot 1-10
Using the Boot-Up Sequence to Troubleshoot 1-12
Using the Formatter/Accessory Card LEDs to Troubleshoot 1-14
System Error Codes 2-1
Introduction 2-2
Continuable and Non-Continuable Error Codes 2-2
System Error Codes - Explanation 2-2
Error Log Utility 2-5
Accessing the Error Log Utility 2-5
Ink Supplies Troubleshooting 3-1
What are the Ink Supplies? 3-2
Ink Cartridges 3-2
Printheads 3-3
Identifying the Components 3-3
General Information About the Ink Supplies 3-4
Some General Precautions When Handling the Ink Supplies 3-5
When Should You Replace the Ink Cartridges? 3-6
When Should You Replace the Printheads? 3-7
Obtaining Ink Cartridge Information 3-9
Obtaining Printhead Information 3-10
Ink Cartridge Status Messages 3-12
Ink Cartridge Status While Replacing 3-12
Printhead Status Messages 3-13
Printhead History Utility 3-14
Accessing the Printhead History Utility 3-14
Is the Printer Causing Repetitive Printhead Problems? 3-16
Is the User Replacing the Printheads too Early? 3-18
Troubleshooting Repetitive Ink Cartridge Messages 3-20
Troubleshooting Repetitive Printhead Error Messages 3-21
Printhead Error Codes 3-22
Summary of Solving Ink Supplies Problems 3-23
Service Tests and Utilities 4-1
Introduction 4-2
Phone Support 4-2
Diagnostics - Self Test 4-2
Service Tests (Diagnostics) 4-3
Entering the Service Tests Menu 4-4
Ink Supply Station 4-6
Carriage Movement 4-8
Paper Advance Test 4-10
Service Utilities 4-13
Entering the Service Utilities Menu 4-14
EEROM Setup 4-16
Turn Drive Roller 4-21
Unlock Carriage 4-22
Prime Tubes 4-23
Change Cutter 4-24
Change Ink Tubes 4-25
Printer Information 4-26
Service Calibrations 5-1
Entering the Service Calibrations Menu 5-3
Printhead Alignment (includes PPS Calibration) 5-5
Color Calibration 5-7
Advance Calibration 5-9
Factory Advance Calibration 5-11
Print Quality 6-1
Print Quality 6-2
Print Quality Troubleshooting Checklist 6-2
How to Use the Troubleshooting Procedure 6-4
What is the Troubleshooting Procedure? 6-4
Considerations for Using the Troubleshooting Procedure. 6-4
Performing the Troubleshooting Procedure 6-4
Troubleshooting Procedure Flowchart 6-7
No Printing Defects Found Using the Troubleshooting Procedure 6-8
Solving Color Accuracy problems 6-9
Color Consistency problems 6-9
Long Term Color Bleeding (Glossy Papers) 6-9
Media 6-10
There are Smears or Scratching on the Printed Media 6-10
Parts and Diagrams 7-1
Printer Support 7-2
Right Hand Cover 7-4
Left Hand Cover 7-6
Top Cover and Deflectors 7-8
Rollfeed Module 7-10
Back Platen Assembly 7-12
Electronics Module 7-14
Power Supply 7-16
Cutter Assemblies 7-18
Ink Delivery System 7-20
Service Station and Spittoon 7-22
Service Station Holder 7-24
Pinch-Wheel Assemblies 7-26
Scan-Axis Motor 7-28
Drive Roller Encoder Sensor 7-30
Print Platen Assembly 7-32
Carriage Assembly 7-34
Vacuum Fan 7-36
Interconnect Cable 7-38
Paper-Axis Motor 7-40
Drive Roller 7-42
Miscellaneous Items 7-44
Removal and Installation 8-1
Introduction 8-2
Safety Precautions 8-2
Electrostatic Discharge (ESD) Precautions 8-3
Required Tools 8-3
Screw Types 8-4
Left Hand Cover 8-5
Right Hand Cover 8-7
Front Panel 8-9
Window and Top Cover 8-10
Media Deflectors 8-11
Left End Roll-Feed 8-13
Right End Roll-Feed 8-15
Back Platen 8-17
Media Sensor 8-19
Formatter 8-20
LAN Card 8-21
Spittoon 8-23
Electronics Module 8-24
Power Supply 8-27
Scan-Axis Motor Assembly 8-29
Cutter Assembly 8-32
Left Encoder Holder 8-33
Cutter Bushing 8-35
Cutter Guide Bracket 8-36
Drive Roller Encoder Sensor 8-38
Trailing Cable 8-40
Ink Supply Station 8-48
Interconnect PCA 8-50
Service Station and Aerosol Fan 8-52
Cutter Guide 8-55
Print Platen 8-56
Service Station Holder 8-57
Interconnect Cable 8-59
Ink Supply Tubes 8-60
Vacuum Fan 8-64
Pinch-Arm 8-66
Pinch-Arm Mechanism 8-67
Pinch-Arm Lever 8-69
Pinch-Arm Sensor 8-71
Fork Idler, Tensioner and Idler Pulley 8-74
Encoder Strip 8-76
Carriage Assembly (Including Belt) 8-78
Paper-Axis Motor 8-84
Drive Roller 8-86
Gear Assemblies 8-92
Preventive Maintenance 9-1
Moisture on the Printer 9-2
Noisy Carriage Bushing 9-2
Belt Swelling 9-2
Cleaning the Printer 9-2
General Cleaning 9-2
Cleaning the Drive Roller/Print Platen 9-3
Scheduled Maintenance 9-3
Level of Printer Usage 9-3
Scan-Axis Maintenance 9-4
Functional Overview 10-1
Introduction 10-2
SKU Overview 10-2
Electrical System 10-3
Introduction 10-3
Hardware Description 10-3
Power Supply Unit (PSU) 10-5
Front Panel 10-6
Ink Delivery System (IDS) 10-7
Ink Supply Station (ISS) 10-7
Tubes Assembly 10-9
Service Station 10-10
Glossary
Index



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