Руководство по обслуживанию и ремонту принтера HP DesignJet T120/T520 (EN)

© 2012 Hewlett-Packard Development Company, L.P. Legal notices 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. 1st edition, August 2012

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Notices Warranty WARNING WARNING The information contained in this document is subject to change without notice. The procedures described in this manual are to be performed by HP-qualified service personnel only. 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. 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.

Electrical Shock Hazard Serious shock hazard leading to death or injury may result if you do not take the following precautions: CAUTION 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. ● Ensure that the AC power outlet (mains) has a protective earth (ground) terminal. 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 printer.

Do not proceed beyond a Caution symbol until the indicated conditions are fully understood and met. ● 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 See the beginning of Chapter 4's Introduction on page 137 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.

Customer Assurance Customer Experience Section Large Format Printing Division Hewlett-Packard Espa с ola, S.A. Avenida Graells, 501 08174 Sant Cugat del Vall и s Spain ENWW iii

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iv Notices ENWW

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Using this manual This service manual contains information necessary to test, maintain, and service the following: HP Designjet T120 Basic Printer 24 inch CQ891A HP Designjet T520 Pro Printer 24 inch CQ890A HP Designjet T520 Pro Printer 36 inch CQ893A For information about using these printers, see the user's guide. Readership The procedures described in this service manual are to be performed by HP Certified service personnel only. Part numbers Part numbers for printer service parts are located in Parts and diagrams on page 119 . ENWW v

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