Epson Stylus Photo RX520/RX530, Stylus CX7700/CX7800 Color Inkjet printer Service Repair Manual

EPSON Stylus Photo RX520/RX530 Stylus CX7700/CX7800 Color Inkjet Printer SEIJ05-015 SERVICE MANUAL

Notice: All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them. The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof. EPSON is a registered trademark of SEIKO EPSON CORPORATION. General Notice: Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners. EPSON disclaims any and all rights in those marks. Copyright © 2005 SEIKO EPSON CORPORATION. I&I CS/Quality Management & PL Department

PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, if ignored, could result in damage to equipment. The precautionary measures itemized below should always be observed when performing repair/maintenance procedures. DANGER 1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURES. 2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK. 3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. 4. WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT, MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES. WARNING 1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE. 3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS. 4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS. 5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICs OR OTHER NON-APPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY. 6. WHEN USING COMPRESSED AIR PRODUCTS; SUCH AS AIR DUSTER, FOR CLEANING DURING REPAIR AND MAINTENANCE, THE USE OF SUCH PRODUCTS CONTAINING FLAMMABLE GAS IS PROHIBITED.

About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. Manual Configuration This manual consists of six chapters and Appendix. CHAPTER 1. PRODUCT DESCRIPTIONS Provides a general overview and specifications of the product. CHAPTER 2. OPERATING PRINCIPLES Describes the theory of electrical and mechanical operations of the product. CHAPTER 3. TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 4. DISASSEMBLY / ASSEMBLY Describes the step-by-step procedures for disassembling and assembling the product. CHAPTER 5. ADJUSTMENT Provides Epson-approved methods for adjustment. CHAPTER 6. MAINTENANCE Provides preventive maintenance procedures and the lists of Epson- approved lubricants and adhesives required for servicing the product. CHAPTER 7. APPENDIX Provides the following additional information for reference: • Connector Summary • Exploded Diagram • Parts List • Electrical Circuits Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action. Be aware of all symbols when they are used, and always read NOTE, CAUTION, or WARNING messages. Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed, could result in injury or loss of life. Indicates an operating or maintenance procedure, practice, or condition that, if not strictly observed, could result in damage to, or destruction of, equipment. May indicate an operating or maintenance procedure, practice or condition that is necessary to accomplish a task efficiently. It may also provide additional information that is related to a specific subject, or comment on the results achieved through a previous action. Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed, could result in injury or loss of life. Indicates that a particular task must be carried out according to a certain standard after disassembly and before re-assembly, otherwise the quality of the components in question may be adversely affected. A D J U S T M E N T R E Q U I R E D C A U T I O N C H E C K P O I N T W A R N I N G

Revision Status Revision Issued Date Description A August 26, 2005 First Release B September 22, 2005 CHAPTER 5 ADJUSTMENT • full-fledged revision C December 9, 2005 CHAPTER 5 ADJUSTMENT • “5.3.2 Original Adjustment” on page 209. Correction to reflect the new release of the adjustment program. D May 10, 2006 CHAPTER 1 PRODUCT DESCRIPTION • “1.4.1.1 Supported Paper Sizes, Types and Qualities” on page 27. Error is corrected. CHAPTER 4 DISASSEMBLY / ASSEMBLY • “4.4.14 Holder Shaft Unit” on page 165. The removal procedure is modified.

EPSON Stylus Photo RX520/RX530 / Stylus CX7700/CX7800 Revision D 6 CONTENTS Chapter 1 PRODUCT DESCRIPTION 1.1 Overview ............................................................................................................. 10 1.1.1 Features ....................................................................................................... 10 1.2 Specifications ...................................................................................................... 12 1.2.1 Printer Specifications .................................................................................. 12 1.2.2 Scanner Specifications ................................................................................ 20 1.2.3 Common ..................................................................................................... 22 1.2.4 Black Ink Save Mode (Only for Stylus CX7700/CX7800) ........................ 23 1.3 Interface ............................................................................................................... 24 1.3.1 USB Interface ............................................................................................. 24 1.3.2 Standard Card Slots .................................................................................... 25 1.3.3 Multi-slot Operations .................................................................................. 26 1.4 Stand-alone Copy ................................................................................................ 27 1.4.1 Basic Specifications .................................................................................... 27 1.4.2 Copy Speed (TBD) ..................................................................................... 29 1.4.3 Configuration for Copying ......................................................................... 29 1.4.4 Relation between original and copy ........................................................... 30 1.5 Memory Card Print .............................................................................................. 33 1.5.1 Basic Specifications .................................................................................... 33 1.5.2 Functions..................................................................................................... 35 1.5.3 Index Sheet ................................................................................................. 37 1.5.4 Layout and Paper Type, Paper Size ............................................................ 40 1.5.5 Options ........................................................................................................ 40 1.5.6 Trimming Function ..................................................................................... 41 1.5.7 Assignment Rules for Photo Frame Numbers and Rotation....................... 41 1.5.8 Layout Drawings ........................................................................................ 43 1.5.9 Relation between Paper Type and Quality ................................................. 47 1.6 Film Mode ........................................................................................................... 48 1.6.1 Basic Specifications .................................................................................... 48 1.6.2 Original Film Setting Specification ............................................................ 48 1.6.3 Original Photo Setting Specification .......................................................... 49 1.6.4 Supported Paper Sizes, Types and Qualities .............................................. 50 1.7 Setting Mode ....................................................................................................... 52 1.7.1 Check Ink Levels ........................................................................................ 52 1.7.2 Clean Printhead........................................................................................... 52 1.7.3 Check Ink Nozzles ...................................................................................... 52 1.7.4 Align Printhead ........................................................................................... 53 1.7.5 Change Cartridges ...................................................................................... 53 1.7.6 Auto Correct ............................................................................................... 54 1.7.7 Borderless Setting ....................................................................................... 54 1.7.8 Copy Quality............................................................................................... 54 1.8 USB Direct-Print/PictBridge Functions .............................................................. 55 1.8.1 Supported Device ....................................................................................... 55 1.8.2 Functions Available from DSC .................................................................. 55 1.8.3 Operation .................................................................................................... 55 1.9 Control Panel ....................................................................................................... 57 1.9.1 Buttons ........................................................................................................ 57 1.9.2 Indicators .................................................................................................... 57 1.9.3 The Method of Changing Modes ................................................................ 59 1.9.4 Operations ................................................................................................... 60 1.9.5 Printer Condition and Panel Status ............................................................. 66 1.9.6 Memory Functions (TBD) .......................................................................... 70 1.9.7 Printer Initialization (TBD) ........................................................................ 71 Chapter 2 OPERATING PRINCIPLES 2.1 Overview ............................................................................................................. 73 2.2 Printer Mechanism .............................................................................................. 73 2.2.1 Printer Mechanism...................................................................................... 73 2.2.2 Printhead ..................................................................................................... 74 2.2.3 Carriage Mechanism................................................................................... 76 2.2.4 Paper Loading/Feeding Mechanism ........................................................... 78 2.2.5 Ink System Mechanism .............................................................................. 83 2.2.6 Ink Sequence............................................................................................... 86 2.3 Scanner Mechanism ............................................................................................ 88 2.3.1 Scanner Carriage Mechanism ..................................................................... 88 2.4 Electrical Circuit Operating Principles................................................................ 91 2.4.1 C610 PSB/PSE Board................................................................................. 92 2.4.2 C613 Main Board ....................................................................................... 93 2.5 Banding Reduction System ............................................................................... 100

EPSON Stylus Photo RX520/RX530 / Stylus CX7700/CX7800 Revision D 7 Chapter 3 TROUBLESHOOTING 3.1 Overview ........................................................................................................... 102 3.1.1 Specified Tools ......................................................................................... 102 3.1.2 Preliminary Checks ................................................................................... 102 3.2 Troubleshooting................................................................................................. 103 3.2.1 Troubleshooting for Motors and Sensors ................................................. 103 3.2.2 Troubleshooting With LCD Error Indications .......................................... 104 3.2.3 Superficial Phenomenon-Based Troubleshooting .................................... 128 Chapter 4 DISASSEMBLY/ASSEMBLY 4.1 Overview ........................................................................................................... 137 4.1.1 Precautions ................................................................................................ 137 4.1.2 Tools ......................................................................................................... 137 4.1.3 Work Completion Check .......................................................................... 138 4.2 Caution regarding Assembling/Disassembling of the Printer Mechanism, and How to Ensure of Quality on Re-assembled Product........................................ 139 4.3 Disassembly Procedures .................................................................................... 140 4.4 Printer Section ................................................................................................... 141 4.4.1 Scanner Unit ............................................................................................. 141 4.4.2 Paper Support Assy................................................................................... 143 4.4.3 Stacker Assy. ............................................................................................ 143 4.4.4 Panel Cover/Housing, Upper/Panel Unit .................................................. 144 4.4.5 Panel Board/Panel Board B ...................................................................... 146 4.4.6 LCD Unit/Button Unit .............................................................................. 147 4.4.7 Printhead ................................................................................................... 148 4.4.8 Main Board Unit/Card Slot Unit............................................................... 150 4.4.9 Printer Mechanism.................................................................................... 154 4.4.10 PS Board Unit ......................................................................................... 157 4.4.11 Waste Ink Pads/PG Lever/Rubber Feet .................................................. 158 4.4.12 Releasing Connector Cables (Left Side)................................................. 161 4.4.13 ASF Unit ................................................................................................. 163 4.4.14 Holder Shaft Unit .................................................................................... 165 4.4.15 Spur Gear 36.8/Extension Spring 0.143/Clutch ..................................... 167 4.4.16 PE Sensor Board/PE Sensor Lever ......................................................... 168 4.4.17 CR Guide Frame ..................................................................................... 169 4.4.18 CR Motor ................................................................................................ 170 4.4.19 PF Motor ................................................................................................. 171 4.4.20 PF Encoder Board/PF Encoder Holder ................................................... 172 4.4.21 Carriage Unit/CR Encoder Board/PW Sensor Board/Head FFC ........... 173 4.4.22 Paper Guide Upper Unit ......................................................................... 176 4.4.23 Front Frame ............................................................................................ 177 4.4.24 EJ Frame Unit ......................................................................................... 178 4.4.25 Ink System Unit ...................................................................................... 180 4.4.26 Paper Guide Front Unit........................................................................... 181 4.4.27 PG Sensor ............................................................................................... 182 4.4.28 PF Roller Unit ......................................................................................... 183 4.5 Scanner Section ................................................................................................. 184 4.5.1 Document Cover/TPU Unit ...................................................................... 184 4.5.2 TPU Housing, Upper ................................................................................ 185 4.5.3 TPU Inverter Board .................................................................................. 186 4.5.4 Scanner Housing, Upper ........................................................................... 187 4.5.5 Scanner Carriage Unit .............................................................................. 188 4.5.6 Scanner HP Sensor/Scanner Motor/Driven Pulley ................................... 189 Chapter 5 ADJUSTMENT 5.1 Overview ........................................................................................................... 191 5.1.1 Required Adjustments .............................................................................. 191 5.2 Adjustment by Using Adjustment Program ...................................................... 194 5.2.1 EEPROM Data Copy ................................................................................ 194 5.2.2 Market Setting .......................................................................................... 194 5.2.3 Waste Ink Pad Counter ............................................................................. 194 5.2.4 Initialize PF Deterioration Offset ............................................................. 195 5.2.5 Disenable PF Deterioration Offset ........................................................... 195 5.2.6 Head ID Input ........................................................................................... 195 5.2.7 Ink Charge ................................................................................................ 195 5.2.8 Top Margin Adjustment ........................................................................... 195 5.2.9 Head Angular Adjustment ........................................................................ 196 5.2.10 Bi-D adjustment ...................................................................................... 197 5.2.11 First Dot Adjustment .............................................................................. 197 5.2.12 PW Sensor Adjustment ........................................................................... 198 5.2.13 PF Adjustment ........................................................................................ 198 5.2.14 PF Band Adjustment ............................................................................... 201 5.2.15 CR Offset ................................................................................................ 201 5.2.16 BRS (Banding Reduction System) Adjustment...................................... 202 5.3 Adjustment Except Adjustment Program.......................................................... 205 5.3.1 PG adjustment........................................................................................... 205 5.3.2 Original Adjustment ................................................................................. 209

EPSON Stylus Photo RX520/RX530 / Stylus CX7700/CX7800 Revision D 8 Chapter 6 MAINTENANCE 6.1 Overview ........................................................................................................... 213 6.1.1 Cleaning .................................................................................................... 213 6.1.2 Service Maintenance ................................................................................. 213 6.1.3 Lubrication................................................................................................ 215 Chapter 7 APPENDIX 7.1 Connector Summary .......................................................................................... 220 7.1.1 Major Component Unit ............................................................................. 220 7.2 Exploded Diagram............................................................................................. 227 7.3 Parts List ............................................................................................................ 240 7.4 Electrical Circuits .............................................................................................. 246

CHAPTER 1 PRODUCT DESCRIPTION

EPSON Stylus Photo RX520/RX530 / Stylus CX7700/CX7800 Revision D PRODUCT DESCRIPTION Overview 10 1.1 Overview This unit features 4-in-1 functionality (computer-connected printer or scanner, stand- alone copy machine, and stand-alone memory card printing), and is designed for home/ personal use. Its main functions are described below. 1.1.1 Features Printer function As a printer, this unit achieves high-quality output at high speed on plain paper, and uses new ink for improved light fastness, water fastness, gas fastness, rubbing fastness. It includes the following features. Maximum print resolution: 5760 (H) x 1440 (V) dpi Separate ink cartridge for each color ASF (Auto Sheet Feeder) holds up to 100 cut sheets (64g/m 2 ) Border-free printing with EPSON specialty media Reduced noise level Fast and thick draft mode with the combination of real black and composite black Scanner function Use of a CIS sensor means no warm-up period is required, which makes scanning more convenient and allows for a more compact scanner. Additional features include the following. Maximum optical resolution: 1200 x 2400 dpi Scan gradations: 48 bits (input), 24 bits (output) Stand-alone copy function It benefits from using a more recently developed type of ink which enables photo- quality copies to be made not only on special media but even on plain paper. Only the basic copy functions are provided for easy operation. Paper size can be selected from three options. Paper type can be selected from three options, plain paper, photo paper, or matte paper which also defines copy quality. Enlarge / Reduce factor can be selected from two options, actual size (100%) or “Fit to page”. Copy margin is automatically selected from three options, related to paper type and paper size: 3mm, “Small Margins Copy”, “Border Free Copy” Fast and thick draft mode with the combination of real black and composite black Copy functions can be directly alternated from memory card print functions, by operation panel. Card reader function This unit includes memory card slots that support CompactFlash, SmartMedia, Memory Stick, Memory Stick PRO, Micro Drive, SD Memory Card, and xD- Picture Card standards. Memory card print function This unit can print images from the memory card in memory card slots in stand- alone mode. The memory card print features are as follows: Supports “Index Sheet printing” whereby images can be selected simply by marking an index sheet. Selecting images is easyÅ|just check the desired images and then scan the index sheet. Memory card print functions can be directly alternated from copy functions, by operation panel. Table 1-1. Paper Size Paper Size Model Letter/ 4” x 6”/ 5” x 7” Stylus CX7700/CX7800 A4/ 10 x 15/ 13 x 18 Stylus Photo RX520/RX530

Epson Stylus Photo RX520/RX530, Stylus CX7700/CX7800 Color Inkjet printer Service Repair Manual

You're Reading a Preview

Recently Viewed