HP Designjet 430 450 455 free download

File name HP DesignJet 430-450-455 Quick Reference.pdf

HP DesignJet 430 HP DesignJet 450C HP DesignJet 455CA Printers Quick Reference Service Manual ENGLISH Warranty E Copyright HewlettPackard Company 1997 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 into another language without the prior written consent of HewlettPackard Company. 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: D Ensure that the ac power outlet (mains) has a protective earth (ground) terminal. D Disconnect the Printer from the power source prior to performing any maintenance. D Prevent water or other liquids from running onto electrical components or circuits, or through openings in the enclosure. First edition, November 1997 Product Support, Barcelona Division Hewlett-Packard Espaсola, S.A. Avda. Graells, 501 08190 Sant Cugat del Vallиs Spain Troubleshooting Always Use the Latest Firmware Revision. Always check which firmware revision the printer is using and if necessary update it. To check the firmware revision, Print the Service Configuration Plot. Perform a Service Test on the Failed Component/Assembly. Always perform a Service Test on the component/assembly that you are about to replace, just to make sure that is the component/assembly that has failed. If the test on that component/assembly passes, you should NOT replace it. Perform the Accuracy Calibration. Perform the accuracy calibration whenever the: D D D D D D D D EEROM is erased. Electronics module is replaced. Drive roller is removed/replaced. Media (X axis) motor is removed/replaced. Drive roller gear is removed/replaced. Cartridge carriage is replaced. Mark encoder is removed/replaced. Optical sensor is removed/replaced. How to Solve Print Quality Problems. Whenever a Print Quality problem appears, it is advisable to print the Print Quality Plot to help diagnose the problem. The Print Quality Print will help you differentiate between possible Cartridge errors and other problems such as incorrect front panel selection, driver or RIP configuration or mechanical problems. If Line Sensor has Problems Detecting Media. Clean the drive roller. Perform accuracy calibration. Replace the Carriage Assembly. If the Carriage is Noisy. Dirty Carriage bushings. Remove dust particles from the Carriage bushings and from