HP DesignJets 500 Service Manual

Using this HP DesignJets 500 Service 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 located in Chapter 7.

Conventions

A small arrow ⇒ is used to indicate other parts of the HP DesignJets 500 Service Manual where you can find information related to the topic you are consulting.

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

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HP DesignJets 500 Service Manual