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HP Designjet Z6100 Printer series Service manual

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For HP Internal Use Only 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. ©Copyright Hewlett-Packard Company 2008 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. 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. 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 product. Do not proceed beyond a Caution symbol until the indicated conditions are fully understood and met. First Edition, March 2007 - Disconnect the Printer from the power source prior to performing any maintenance. Second edtion, May 2008 - Prevent water or any other liquids from running onto electrical components or circuits, or through openings in the enclosure.

Electrostatic Discharge Refer to the beginning of Chapter 4of 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 Espanola, S.A. Avda. Graells, 501 08190 Sant Cugat del Valles Spain

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Using this Manual

Using this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: • HP Designjet Z6100 42-inch Printer (Model Q6651A) • HP Designjet Z6100 60-inch Printer (Model Q6652A) 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 Service Manual where you can find information related to the topic you are consulting.

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1 Troubleshooting

1 Table of Contents 1 Troubleshooting Troubleshooting the printer......................................................................................................... 2 Printer Education and Training..................................................................................... 2 Firmware upgrade ..................................................................................................... 2 Troubleshooting system error codes............................................................................................. 2 Performing a service test on a failed assembly..............................................................................

2 Performing the necessary service calibrations ............................................................................... 3 Solving print quality problems .................................................................................................... 3 The printer does not power on.................................................................................................... 3 Printer hangs during printing and displays ‘processing’ ................................................................. 3 The printer continuously rejects printheads ...................................................................................

4 A new Maintenenace Cartridge is incorrectly detected as ‘used’ .................................................... 4 Cover sensors are not working ................................................................................................... 4 The line sensor has problems detecting media.............................................................................. 5 Troubleshooting Media Jams/Printhead Crashes........................................................................... 5 Troubleshooting shutdowns ........................................................................................................

5 Printhead Maintenance Cartridge Path ......................................................................... 6 Paper Path ................................................................................................................ 6 Printhead path........................................................................................................... 6 PWM shutdown......................................................................................................... 6 Velocity shutdown ......................................................................................................

6 Energy shutdown ....................................................................................................... 6 Vacuum suction much lower at high altitudes................................................................................ 7 Banding at variable extreme environmental conditions .................................................................. 7 Printhead Crashes/Smears on High Density Prints Using Coated Media .......................................... 7 Banding due to ink cartridge replacement while printing ...............................................................

7 34" Rice Paper not supported .................................................................................................... 8 Worm marks on HP Coated media with light area fills .................................................................. 8 Solving Media-Handling Problems .............................................................................................. 8 Difficult to load media “Too much skew” ..................................................................................... 8 Troublshooting a failure with the Take UP Reel (TUR) .....................................................................

9 Take Up Reel LED status information ............................................................................. 9 Checking the Take Up Reel is correctly installed........................................................... 10 How the Take UP Reel Works .................................................................................... 11 Using the buzzer at power-up for troubleshooting problems........................................... 11 Using the Power-up Sequence to Troubleshoot ............................................................. 12 Corrective Actions for Power-Up Problems...................................................................

14 Troubleshooting OMAS problem .............................................................................................. 14 Using the Power Switch LEDs to Troubleshoot ............................................................................. 15 Using the PCA LEDs to Troubleshoot.......................................................................................... 16 Interconnect PCA ..................................................................................................... 16 PrintMech PCA ........................................................................................................

17 Identifying faults from LED status ................................................................................ 17 How to Interpret the Service Information Pages........................................................................... 19 Main Characteristics ................................................................................................ 20 Current Configuration............................................................................................... 21 Current Media, Printhead and Ink Information ............................................................. 22 v

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