HP DesignJet 500 - 800 large format printer service repair workshop manual

DesignJets 500, 510 and 800 Series Service Manual HP Large-Format Printers

Technical Marketing, Barcelona Division, Hewlett-Packard Espanola, S.A. Avda. Graells, 501 08190 Sant Cugat del Valles Spain For HP Internal Use Only ©Copyright Hewlett-Packard Company 2000 This document contains proprietary information that is protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett- Packard Company. First Edition, August 2000 Second Edition, November 2001 Third Edition, August 2008 Warranty The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. WARNING The procedures described in this manual are to be performed by HP-qualified service personnel only. Electrical Shock Hazard Serious shock hazard leading to death or injury may result if you do not take the following precautions: - Ensure that the ac power outlet (mains) has a protective earth (ground) terminal. - Disconnect the Printer from the power source prior to performing any maintenance. - Prevent water or any other liquids from running onto electrical components or circuits, or through openings in the enclosure. Electrostatic Discharge Refer to the beginning of Chapter 8 of this manual, for precautions you should take to prevent damage to the Printer circuits from electrostatic discharge. Safety Symbols General definitions of safety symbols are given immediately after the table of contents. WARNING The Warning symbol calls attention to a procedure, practice, or the like, which, if not correctly performed or adhered to, could result in personal injury. Do not proceed beyond a Warning symbol until the indicated conditions are fully understood and met. CAUTION The Caution symbol calls attention to an operating procedure, practice, or the like, which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the product. Do not proceed beyond a Caution symbol until the indicated conditions are fully understood and met.

1 Service Manual DesignJets 500, 510 and 800 Series HP Large-Format Printers

2 HP DesignJets 500, 510 and 800 Series Printers Service Manual Using this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: 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 500Plus – 24” Model (P/N C7769F) HP DesignJet 500Plus – 42” Model (P/N C7770F) HP DesignJet 500Mono – 24” Model (P/N C7769E) HP DesignJet 500Mono – 42” Model (P/N C7770E) HP Designjet 510 – 24” Model (P/N CH336A) HP Designjet 510 – 42” Model (P/N CH337A) HP Designjet 510ps – 24” Model (P/N CJ996A) HP Designjet 510ps – 42” Model (P/N CJ997A) 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) For information about using these printers, refer to the corresponding User and Quick Reference Guides. Readership The procedures described in this Service Manual are to be performed by HP Certified Service Personnel only. Part Numbers Part Numbers for Printer options, accessories and service parts are

3 HP DesignJets 500, 510 and 800 Series Printers Service Manual located in Chapter 7. Conventions A small arrow ⇒ is used to indicate other parts of the Service Manual where you can find information related to the topic you are consulting.

Table of Contents 4 HP DesignJets 500, 510 and 800 Series Printers Service Manual Table of Contents 1 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

Table of Contents 5 HP DesignJets 500, 510 and 800 Series Printers Service Manual 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

Table of Contents 6 HP DesignJets 500, 510 and 800 Series Printers Service Manual 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

Table of Contents 7 HP DesignJets 500, 510 and 800 Series Printers Service Manual 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

Table of Contents 8 HP DesignJets 500, 510 and 800 Series Printers Service Manual 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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HP DesignJet 500 - 800 large format printer service repair workshop manual

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