Manual Plotter Hp 500Ps

HP

DesignJets 500 and 800 Series

Large-Format Printers

Service Manual

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 HewlettPackardCompany. First Edition, August 2000

Warranty

WARNING

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.

The information contained in this The procedures described in thisdocument is subject to change manual are to be performed by without notice. HP-qualified service personnel only. 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 damagesin connection with the furnishing, performance, or use of this material. 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 otherliquids 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.

CAUTION
TheCaution 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.

Technical Marketing, Barcelona Division, Hewlett-Packard Espanola, S.A. Avda. Graells, 501 08190Sant Cugat del Valles Spain

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HP

DesignJets 500 and 800 Series

Large-Format Printers

Service Manual

Using this Manual
Purpose
This Service Manual contains information necessary to test, calibrate and service: n HP DesignJet 500 Printer - 24” Model (P/N C7769B) n HP DesignJet 500 Printer - 42” Model (P/N C7770B) n HP DesignJet 500PS Printer - 24” Model (P/N C7769C) n HPDesignJet 500PS Printer - 42” Model (P/N C7770C) n HP DesignJet 800 Printer - 24” Model (P/N C7779B) n HP DesignJet 800 Printer - 42” Model (P/N C7780B) n HP DesignJet 800PS Printer - 24” Model (P/N C7779C) n 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 describedin 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 Service Manual where you can find information related to the topic you are consulting.

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HP DesignJets 500 and 800 Series PrintersService Manual

Table of Contents

Table of Contents
Troubleshooting 1-1

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...