Epson SureColor T3000, T5000, T7000 Series, Service Manual

SC-T7000 series SC-T5000 series SC-T3000 series Large Format Color Inkjet Printer SERVICE MANUAL SEIJ12008 Confidential

Confidential 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 efforts 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 © 2012 SEIKO EPSON CORPORATION. COMMERCIAL PRINTER CS QUALITY ASSURANCE DEPARTMENT

Confidential 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 INJURY 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 AIR DUSTER IS USED ON THE REPAIR AND THE MAINTENANCE WORK, THE USE OF THE AIR DUSTER PRODUCTS CONTAINING THE INFLAMMABLE GAS IS PROHIBITED. 7. MAKE SURE AN ANTIVIRUS SOFTWARE IS INSTALLED ON THE COMPUTER USED FOR SERVICE SUPPORT. BE SURE TO HAVE THE LATEST VIRUS DEFINITION FILE FOR THE SOFTWARE.

Confidential 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.TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 3.DISASSEMBLY / ASSEMBLY Describes the step-by-step procedures for disassembling and assembling the product. CHAPTER 4.ADJUSTMENT Provides Epson-approved methods for adjustment. CHAPTER 5.MAINTENANCE Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product. CHAPTER 6.APPENDIX Provides the following additional information for reference: • Connectors • Panel Menu Maps • ASP List • Exploded Diagrams

Confidential 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 is necessary to keep the product’s quality. 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. Indicates that lubrication is needed for the parts after disassembly, when doing a maintenance or replacing a part with a new one. Lubrication Lubrication

Confidential Revision Status Revision Date of Issue Description A October 1, 2012 First release B March 6, 2013 Chapter 2 • 2.3Remedies for Service Call Error(p.43):partially deleted Chapter4 • 4.1.2Adjustment Items and the Order by Repaired Part(p.199):partially revised • 4.14.1Main Board initial setting(p.270):was added

SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B 7 Confidential Contents Chapter 1 PRODUCT DESCRIPTION 1.1 Product Description ............................................................................................ 11 1.2 Basic Specifications ............................................................................................ 12 1.2.1 Basic Specifications ................................................................................... 12 1.2.2 Electric Specifications ............................................................................... 12 1.2.3 Ink Specifications ...................................................................................... 13 1.3 Printing Specifications ........................................................................................ 14 1.3.1 Paper Feed Specifications .......................................................................... 14 1.3.2 Supported Media ........................................................................................ 15 1.3.2.1 Epson Special Media Table ................................................................ 15 1.3.2.2 Usable Commercially Available Paper Size ...................................... 18 1.3.3 Printable area ............................................................................................. 20 1.3.4 Borderless Printing Specification .............................................................. 21 1.3.5 Stacker ....................................................................................................... 21 1.4 Hardware Specifications ..................................................................................... 22 1.4.1 Dimensions and Weight ............................................................................. 22 1.4.2 Installation Room Requirement ................................................................. 22 1.4.3 Part Names ................................................................................................. 23 1.5 Control Panel Specifications .............................................................................. 25 1.5.1 Control panel and LCD .............................................................................. 25 1.5.2 Menu Descriptions ..................................................................................... 27 1.5.3 Serviceman Mode ...................................................................................... 36 Chapter 2 TROUBLE SHOOTING 2.1 Overview ............................................................................................................ 40 2.1.1 Preliminary Check ..................................................................................... 40 2.1.1.1 Before performing troubleshooting .................................................... 40 2.1.1.2 Check for the usage environment ....................................................... 40 2.1.1.3 Recurrence check of the trouble ......................................................... 40 2.1.1.4 Check for the counter values/history .................................................. 40 2.1.1.5 Test print check .................................................................................. 40 2.1.2 Troubleshooting Procedure ........................................................................ 41 2.1.3 Procedure after troubleshooting ................................................................. 41 2.1.3.1 If the trouble has been successfully solved ........................................ 41 2.1.3.2 If necessary to escalate the trouble case ............................................. 41 2.2 Remedies for Maintenance Requests ................................................................. 42 2.3 Remedies for Service Call Error ........................................................................ 43 2.4 Remedies for Print Quality Troubles .................................................................. 58 2.5 Trouble on Paper Feeding .................................................................................. 62 2.6 Other Troubles .................................................................................................... 63 2.7 Trouble on Service Program ............................................................................... 64 2.8 Trouble on NVRAM Viewer .............................................................................. 65 Chapter 3 DISASSEMBLY & ASSEMBLY 3.1 Overview ............................................................................................................ 67 3.1.1 Precautions ................................................................................................. 67 3.1.2 Cautions after assembling .......................................................................... 69 3.1.3 Orientation Definition ................................................................................ 69 3.1.4 Recommended Tools ................................................................................. 70 3.2 Parts Diagram ..................................................................................................... 71 3.3 Disassembly Flowchart ...................................................................................... 78 3.4 Disassembly and Assembly Procedure ............................................................... 83 3.4.1 Preparation for servicing ........................................................................... 83 3.4.1.1 Unlocking the CR Unit ....................................................................... 83 3.4.2 Housing ...................................................................................................... 85 3.4.2.1 TOP COVER ...................................................................................... 85 3.4.2.2 FRONT COVER ................................................................................ 86 3.4.2.3 LOWER PAPER GUIDE ................................................................... 87 3.4.2.4 LOWER PAPER GUIDE B ............................................................... 88 3.4.2.5 IH COVER ......................................................................................... 89 3.4.2.6 WASTE INK TANK COVER ........................................................... 92 3.4.2.7 PRINTER COVER ............................................................................. 93 3.4.2.8 UPPER SUPPORT R COVER ........................................................... 94 3.4.2.9 RIGHT UPPER COVER & RIGHT ROLL COVER ........................ 95 3.4.2.10 RIGHT LOWER COVER ................................................................ 96

SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B 8 Confidential 3.4.2.11 RIGHT BASE COVER .................................................................... 97 3.4.2.12 LEFT LOWER COVER ................................................................... 98 3.4.2.13 REAR RIGHT LOWER COVER .................................................... 99 3.4.2.14 UPPER LEFT COVER .................................................................. 100 3.4.2.15 LEFT UPPER COVER & LEFT ROLL COVER .......................... 101 3.4.2.16 LEFT BASE COVER ..................................................................... 102 3.4.2.17 FRONT LEFT LOWER COVER ................................................... 103 3.4.2.18 REAR LEFT LOWER COVER ..................................................... 104 3.4.2.19 REAR ROLL COVER FRAME ..................................................... 105 3.4.2.20 CARTRIDGE COVER SENSOR .................................................. 106 3.4.2.21 R WASTE INK COVER SENSOR ................................................ 107 3.4.2.22 L WASTE INK COVER SENSOR ................................................ 108 3.4.2.23 INTERLOCK SWITCH ................................................................. 109 3.4.3 Electric Circuit Components .................................................................... 111 3.4.3.1 MAIN BOARD ................................................................................ 111 3.4.3.2 MAIN-B BOARD ............................................................................ 113 3.4.3.3 MAIN-C BOARD ............................................................................ 114 3.4.3.4 SUB BOARD ................................................................................... 115 3.4.3.5 SUB-B BOARD ............................................................................... 117 3.4.3.6 PSH BOARD .................................................................................... 118 3.4.3.7 PANEL BOARD .............................................................................. 120 3.4.4 Carriage Mechanism / Ink System Mechanism ....................................... 122 3.4.4.1 CR COVER ...................................................................................... 122 3.4.4.2 DAMPER KIT .................................................................................. 123 3.4.4.3 PRINT HEAD .................................................................................. 126 3.4.4.4 HEAD FFC ....................................................................................... 127 3.4.4.5 CR FFC ............................................................................................. 131 3.4.4.6 CR SCALE ....................................................................................... 135 3.4.4.7 CR ENCODER ................................................................................. 138 3.4.4.8 CR TIMMING BELT ....................................................................... 139 3.4.4.9 CR MOTOR ..................................................................................... 141 3.4.4.10 CR HP SENSOR ............................................................................ 143 3.4.4.11 APG UNIT ..................................................................................... 144 3.4.4.12 PG SENSOR ................................................................................... 146 3.4.4.13 PUMP CAP UNIT .......................................................................... 147 3.4.4.14 IC HOLDER ................................................................................... 148 3.4.4.15 INK TUBE ..................................................................................... 152 3.4.4.16 CR UNIT ........................................................................................ 156 3.4.4.17 IM SENSOR ................................................................................... 159 3.4.4.18 PW SENSOR .................................................................................. 161 3.4.5 Paper Feed Mechanism ............................................................................ 163 3.4.5.1 PF MOTOR ...................................................................................... 163 3.4.5.2 PF SCALE ........................................................................................ 165 3.4.5.3 PF ENCODER .................................................................................. 166 3.4.5.4 PF TIMING BELT ........................................................................... 168 3.4.5.5 PRESSURE ROLLER ...................................................................... 170 3.4.5.6 PRESSURE ROLLER MOTOR ...................................................... 171 3.4.5.7 PRESSURE ROLLER SENSOR ..................................................... 173 3.4.5.8 ATC MOTOR .................................................................................. 175 3.4.5.9 PE SENSOR (ROLL PAPER) ......................................................... 177 3.4.5.10 PE SENSOR (THICK PAPER) ...................................................... 178 3.4.5.11 PAPER THICKNESS SENSOR .................................................... 180 3.4.6 Cutter Mechanism .................................................................................... 181 3.4.6.1 CUTTER UNIT ................................................................................ 181 3.4.7 Fans .......................................................................................................... 183 3.4.7.1 BOARD BOX FAN ......................................................................... 183 3.4.7.2 SUCTION FAN ................................................................................ 184 3.4.8 Auto Take-up Reel ................................................................................... 185 3.4.8.1 TAKE-UP REEL COVER ............................................................... 185 3.4.8.2 TAKE-UP REEL SENSOR ............................................................. 186 3.4.8.3 TAKE-UP REEL LED ..................................................................... 187 3.4.8.4 TAKE-UP REEL SWITCH ............................................................. 188 3.4.8.5 TAKE-UP REEL PS BOARD ......................................................... 190 3.4.8.6 TAKE-UP REEL MOTOR .............................................................. 192 3.4.8.7 TAKE-UP REEL MAIN BOARD ................................................... 194 Chapter 4 ADJUSTMENT 4.1 Overview .......................................................................................................... 198 4.1.1 Precautions ............................................................................................... 198 4.1.2 Adjustment Items and the Order by Repaired Part .................................. 199 4.1.3 Adjustment Items ..................................................................................... 211 4.1.4 List of Tools/Software/Consumables for Adjustments ........................... 219 4.1.5 Service Program Basic Operations .......................................................... 220 4.2 NV-RAM BACKUP/NVRAM Viewer ............................................................ 221 4.2.1 NVRAM Read Procedure ........................................................................ 221 4.2.2 NVRAM Write Procedure ....................................................................... 221 4.2.3 NVRAM Viewer Basic Operation ........................................................... 222 4.3 ADJUSTMENTS (Individual) ......................................................................... 227 4.4 ADJUSTMENTS (Sequence) ........................................................................... 228

SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B 9 Confidential 4.5 Installing Firmware .......................................................................................... 229 4.6 Image Print ....................................................................................................... 230 4.7 Counter Reset ................................................................................................... 231 4.8 References ........................................................................................................ 232 4.9 Initial Ink Charge Flag ...................................................................................... 233 4.10 CR Related Adjustments ................................................................................ 234 4.10.1 CR Belt Tension Check ......................................................................... 234 4.10.2 APG Function Check ............................................................................. 237 4.10.3 Ink Mark Sensor Check & Auto Adjustment ........................................ 238 4.10.4 CR Scale Check ..................................................................................... 239 4.10.5 CR Active Damper Auto Adjustment .................................................... 240 4.10.6 Auto Uni-D Adjustment ........................................................................ 241 4.10.7 Auto Bi-D Adjustment, acceleration/deceleration print correction ....... 242 4.10.8 PW + T&B&S check and adjustment .................................................... 243 4.10.8.1 PW Adjustment .............................................................................. 243 4.10.8.2 T&B&S Adjustment ....................................................................... 243 4.10.9 PG Adjustment ....................................................................................... 245 4.11 Head Related Checks and Adjustments .......................................................... 248 4.11.1 Tube Inner Pressure Reduction .............................................................. 248 4.11.2 Head ID Input ........................................................................................ 249 4.11.3 Nozzle Check ......................................................................................... 251 4.11.4 Cleaning ................................................................................................. 252 4.11.5 Head Inclination Adjustment (CR direction) ......................................... 253 4.11.5.1 Head Inclination Auto Adjustment (CR direction) ........................ 253 4.11.5.2 Head Inclination Manual Adjustment (CR direction) .................... 254 4.11.5.3 Correcting Head Inclination (CR direction) ................................... 254 4.11.6 Head Slant Adjustment (PF direction) ................................................... 256 4.11.6.1 Head Slant Auto Adjustment (PF direction) .................................. 256 4.11.6.2 Head Slant Manual Adjustment (PF direction) .............................. 257 4.11.6.3 Correcting Head Slant (PF direction) ............................................. 258 4.12 Ink Supply Related Checks and Adjustments ................................................ 259 4.12.1 Ink eject ................................................................................................. 259 4.12.2 Cleaning (Tube Inner Cleaning) ............................................................ 260 4.12.3 Initial Ink Charge ................................................................................... 261 4.13 Media Feed Related Checks and Adjustments ............................................... 262 4.13.1 PF Belt Tension Check .......................................................................... 262 4.13.2 PC Scale Check ...................................................................................... 264 4.13.3 Media Feed Auto Adjustment ................................................................ 265 4.13.4 Cut Position Check & Adjustment ........................................................ 266 4.13.5 Paper Thickness Sensor Adjustment ..................................................... 267 4.13.6 Rear AD Adjustment ............................................................................. 269 4.14 Boards Related Checks and Adjustments ....................................................... 270 4.14.1 Main Board initial setting ...................................................................... 270 4.14.2 RTC & USB ID Input ............................................................................ 271 4.14.3 MAC Address Input ............................................................................... 272 4.14.4 Serial Number Input .............................................................................. 273 4.14.5 HDD S/N Information Writing .............................................................. 274 4.14.6 Board Replacement Date & Time Setting ............................................. 275 4.15 Other Printer Checks and Adjustments .......................................................... 276 4.15.1 Suction Fan Adjustment ........................................................................ 276 4.15.2 Panel Setting Reset & Job History Reset ............................................... 277 4.15.3 Operation Panel Check (LCD & Buttons) ............................................. 278 4.15.3.1 Panel LCD Operation Check .......................................................... 278 4.15.3.2 Panel Buttons Operation Check ..................................................... 278 4.15.4 Motor Measurement & Automatic Adjustment ..................................... 279 Chapter 5 MAINTENANCE 5.1 Overview .......................................................................................................... 281 5.2 Storing the Printer ............................................................................................ 282 5.3 Transportation .................................................................................................. 283 5.4 Exchange Parts ................................................................................................. 284 5.5 Cleaning ............................................................................................................ 285 5.6 Lubrication ....................................................................................................... 287 Chapter 6 APPENDIX 6.1 Block Wiring Diagram ..................................................................................... 291 6.1.1 Main Body ............................................................................................... 291 6.1.2 Auto Take-up Reel ................................................................................... 292 6.2 Connection Diagram ......................................................................................... 293 6.3 Panel Menu Map .............................................................................................. 309 6.4 Part names used in this manual ........................................................................ 312 6.5 Exploded Diagram/Parts List ........................................................................... 314

Confidential CHAPTER 1 PRODUCT DESCRIPTION

Epson SureColor T3000, T5000, T7000 Series, Service Manual

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