Troubleshooting 1

Introduction 1-2

Troubleshooting System Error Codes 1-3

Performing a Service Test on a Failed Assembly 1-3

Performing the Necessary Service Calibrations 1-3

Solving Print Quality Problems 1-4

The Printer does not Power ON 1-4

Cover Sensors are not Working 1-4

The Line Sensor has Problems Detecting Media 1-4

Troubleshooting Paper-Axis Shutdowns 1-5

Problems with the Vacuum Fan 1-6

Vacuum suction much lower at high altitudes 1-6

HP-GL/2 color differences in different HP DesignJet Printers 1-7

Banding at variable extreme environmental conditions 1-7

The Priming Procedure Fails 1-8

Using the Power Switch LED to Troubleshoot 1-11

Using the Boot-Up Sequence to Troubleshoot 1-13

How to Detect Problems Related to the Encoder Disk 1-17

HP DesignJets 500, 510 and 800 Series Printers Service Manual

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HP 510 Inkjet Large Format CH336A#B1K manual Troubleshooting