SC-T7200 series SC-T5200 series SC-T3200 series SC-T7200D series SC-T5200D series Large Format Color Inkjet Printer SERVICE MANUAL SECP13-006 Confidential
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 • 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 May 30, 2014 First release
SC-T7200/SC-T5200/SC-T3200/SC-T7200D/SC-T5200D series Revision A 7 Confidential Contents Chapter 1 PRODUCT DESCRIPTION 1.1 Product Description ............................................................................................ 12 1.2 Basic Specifications ............................................................................................ 13 1.2.1 Basic Specifications ................................................................................... 13 1.2.2 Electric Specifications ............................................................................... 14 1.2.3 Ink Specifications ...................................................................................... 14 1.3 Printing Specifications ........................................................................................ 15 1.3.1 Paper Feed Specifications .......................................................................... 15 1.3.2 Supported Media ........................................................................................ 16 1.3.2.1 Epson Special Media Table ................................................................ 16 1.3.2.2 Usable Commercially Available Paper Size ...................................... 19 1.3.3 Printable area ............................................................................................. 21 1.3.4 Borderless Printing Specification .............................................................. 22 1.3.5 Stacker ....................................................................................................... 22 1.4 Hardware Specifications ..................................................................................... 24 1.4.1 Dimensions and Weight ............................................................................. 24 1.4.2 Installation Room Requirement ................................................................. 24 1.4.3 Part Names ................................................................................................. 26 1.5 Control Panel Specifications .............................................................................. 29 1.5.1 Control panel and LCD .............................................................................. 29 1.5.2 Menu Descriptions ..................................................................................... 32 1.5.3 Serviceman Mode ...................................................................................... 54 Chapter 2 TROUBLE SHOOTING 2.1 Overview ............................................................................................................ 59 2.1.1 Preliminary Check ..................................................................................... 59 2.1.1.1 Before performing troubleshooting .................................................... 59 2.1.1.2 Check for the usage environment ....................................................... 59 2.1.1.3 Recurrence check of the trouble ......................................................... 59 2.1.1.4 Check for the counter values/history .................................................. 59 2.1.1.5 Test print check .................................................................................. 59 2.1.2 Troubleshooting Procedure ........................................................................ 60 2.1.3 Procedure after troubleshooting ................................................................. 60 2.1.3.1 If the trouble has been successfully solved ........................................ 60 2.1.3.2 If necessary to escalate the trouble case ............................................. 60 2.2 Remedies for Maintenance Requests ................................................................. 61 2.3 Remedies for Service Call Error ........................................................................ 62 2.4 Remedies for Print Quality Troubles .................................................................. 88 2.5 Trouble on Paper Feeding .................................................................................. 92 2.6 Other Troubles .................................................................................................... 93 2.7 Trouble on Service Program ............................................................................... 94 2.8 Trouble on NVRAM Viewer .............................................................................. 95 Chapter 3 DISASSEMBLY & ASSEMBLY 3.1 Overview ............................................................................................................ 97 3.1.1 Precautions ................................................................................................. 97 3.1.2 Cautions after assembling .......................................................................... 99 3.1.3 Orientation Definition ................................................................................ 99 3.1.4 Recommended Tools ............................................................................... 100 3.2 Parts Diagram ................................................................................................... 101 3.3 Disassembly Flowchart .................................................................................... 110 3.4 Disassembly and Assembly Procedure ............................................................. 116 3.4.1 Preparation for servicing ......................................................................... 116 3.4.1.1 Unlocking the CR Unit ..................................................................... 116 3.4.2 Housing .................................................................................................... 118 3.4.2.1 TOP COVER .................................................................................... 118 3.4.2.2 FRONT COVER .............................................................................. 119 3.4.2.3 LOWER PAPER GUIDE ................................................................. 120 3.4.2.4 LOWER PAPER GUIDE B ............................................................. 121 3.4.2.5 IH COVER ....................................................................................... 122 3.4.2.6 WASTE INK TANK COVER ......................................................... 125 3.4.2.7 PRINTER COVER ........................................................................... 126 3.4.2.8 UPPER SUPPORT R COVER ......................................................... 127
SC-T7200/SC-T5200/SC-T3200/SC-T7200D/SC-T5200D series Revision A 8 Confidential 3.4.2.9 RIGHT UPPER COVER & RIGHT ROLL COVER ...................... 128 3.4.2.10 RIGHT LOWER COVER .............................................................. 130 3.4.2.11 RIGHT BASE COVER .................................................................. 131 3.4.2.12 LEFT LOWER COVER ................................................................. 132 3.4.2.13 REAR RIGHT LOWER COVER .................................................. 133 3.4.2.14 UPPER LEFT COVER .................................................................. 134 3.4.2.15 LEFT UPPER COVER & LEFT ROLL COVER .......................... 135 3.4.2.16 LEFT BASE COVER ..................................................................... 136 3.4.2.17 FRONT LEFT LOWER COVER ................................................... 137 3.4.2.18 REAR LEFT LOWER COVER ..................................................... 138 3.4.2.19 REAR ROLL COVER FRAME ..................................................... 139 3.4.2.20 CARTRIDGE COVER SENSOR .................................................. 140 3.4.2.21 R WASTE INK COVER SENSOR ................................................ 141 3.4.2.22 L WASTE INK COVER SENSOR ................................................ 142 3.4.2.23 INTERLOCK SWITCH ................................................................. 143 3.4.3 Electric Circuit Components .................................................................... 145 3.4.3.1 MAIN BOARD ................................................................................ 145 3.4.3.2 SUB BOARD ................................................................................... 148 3.4.3.3 SUB-B BOARD ............................................................................... 150 3.4.3.4 PSH BOARD .................................................................................... 151 3.4.3.5 PANEL BOARD .............................................................................. 153 3.4.4 Carriage Mechanism / Ink System Mechanism ....................................... 155 3.4.4.1 CR COVER ...................................................................................... 155 3.4.4.2 DAMPER KIT .................................................................................. 156 3.4.4.3 PRINT HEAD .................................................................................. 162 3.4.4.4 HEAD FFC ....................................................................................... 163 3.4.4.5 CR FFC ............................................................................................. 169 3.4.4.6 CR SCALE ....................................................................................... 170 3.4.4.7 CR ENCODER ................................................................................. 175 3.4.4.8 CR TIMMING BELT ....................................................................... 176 3.4.4.9 CR MOTOR ..................................................................................... 178 3.4.4.10 CR HP SENSOR ............................................................................ 180 3.4.4.11 APG UNIT ..................................................................................... 181 3.4.4.12 PG SENSOR ................................................................................... 183 3.4.4.13 PUMP CAP UNIT .......................................................................... 184 3.4.4.14 IC HOLDER ................................................................................... 185 3.4.4.15 INK TUBE ..................................................................................... 189 3.4.4.16 CR UNIT ........................................................................................ 193 3.4.4.17 IM SENSOR ................................................................................... 196 3.4.4.18 PW SENSOR .................................................................................. 198 3.4.5 Paper Feed Mechanism ............................................................................ 200 3.4.5.1 PF MOTOR ...................................................................................... 200 3.4.5.2 PF SCALE ........................................................................................ 202 3.4.5.3 PF ENCODER .................................................................................. 203 3.4.5.4 PF TIMING BELT ........................................................................... 205 3.4.5.5 PRESSURE ROLLER ...................................................................... 207 3.4.5.6 PRESSURE ROLLER MOTOR ...................................................... 208 3.4.5.7 PRESSURE ROLLER SENSOR ..................................................... 210 3.4.5.8 ATC MOTOR .................................................................................. 212 3.4.5.9 PE SENSOR (ROLL PAPER) ......................................................... 214 3.4.5.10 PE SENSOR (THICK PAPER) ...................................................... 215 3.4.5.11 PAPER THICKNESS SENSOR .................................................... 217 3.4.5.12 PF ROLLER MIDDLE SUPPORT ................................................ 218 3.4.5.13 REAR COVER ............................................................................... 221 3.4.5.14 REAR COVER SENSOR .............................................................. 222 3.4.5.15 1st PPK ROLLER ASSY ............................................................... 223 3.4.5.16 1st PAPER GUIDE ........................................................................ 224 3.4.5.17 1st PAPER FEED MOTOR ........................................................... 225 3.4.5.18 1st PPK RELEASE MOTOR ......................................................... 227 3.4.5.19 1st PPK RELEASE SENSOR A/B ................................................ 228 3.4.5.20 REAR BOARD PAPER GUIDE ................................................... 229 3.4.5.21 UPPER 2nd PAPER GUIDE .......................................................... 230 3.4.5.22 LOWER 2nd PAPER GUIDE ........................................................ 231 3.4.6 Cutter Mechanism .................................................................................... 232 3.4.6.1 CUTTER UNIT ................................................................................ 232 3.4.7 Fans .......................................................................................................... 234 3.4.7.1 BOARD BOX FAN ......................................................................... 234 3.4.7.2 PW FAN ........................................................................................... 235 3.4.7.3 HDD FAN ........................................................................................ 236 3.4.7.4 SUCTION FAN ................................................................................ 237 3.4.8 Auto Take-up Reel ................................................................................... 238 3.4.8.1 TAKE-UP REEL COVER ............................................................... 238 3.4.8.2 TAKE-UP REEL SENSOR ............................................................. 239 3.4.8.3 TAKE-UP REEL LED ..................................................................... 240 3.4.8.4 TAKE-UP REEL SWITCH ............................................................. 241 3.4.8.5 TAKE-UP REEL PS BOARD ......................................................... 243 3.4.8.6 TAKE-UP REEL MOTOR .............................................................. 245 3.4.8.7 TAKE-UP REEL MAIN BOARD ................................................... 247 3.4.9 2nd Roll Unit (SC-T7200D/SC-T5200D series only) ............................. 250 3.4.9.1 FRONT FRAME .............................................................................. 250
SC-T7200/SC-T5200/SC-T3200/SC-T7200D/SC-T5200D series Revision A 9 Confidential 3.4.9.2 REAR FRAME ................................................................................. 251 3.4.9.3 LEFT ROLL UNIT OPEN SENSOR ............................................... 252 3.4.9.4 RIGHT ROLL UNIT OPEN SENSOR ............................................ 253 3.4.9.5 2nd ROLL LOCK DETECTION SENSOR ..................................... 254 3.4.9.6 LEFT COVER/LEFT LOWER COVER ......................................... 256 3.4.9.7 RIGHT COVER/RIGHT LOWER COVER .................................... 257 3.4.9.8 RIGHT REAR COVER .................................................................... 259 3.4.9.9 2nd PPK ROLLER ASSY ................................................................ 260 3.4.9.10 SUB-C BOARD ............................................................................. 261 3.4.9.11 2nd PAPER FEED MOTOR .......................................................... 262 3.4.9.12 2nd PPK RELEASE MOTOR ........................................................ 263 3.4.9.13 2nd ATC MOTOR .......................................................................... 265 3.4.9.14 2nd PF SENSOR ............................................................................ 266 3.4.9.15 2nd PPK RELEASE SENSOR A/B ............................................... 267 3.4.9.16 2nd PAPER DETECTION SENSOR ............................................. 268 3.4.9.17 2nd ATC GEAR ASSY .................................................................. 270 3.4.9.18 2nd ATC SHAFT ASSY ................................................................ 271 Chapter 4 ADJUSTMENT 4.1 Overview .......................................................................................................... 273 4.1.1 Precautions ............................................................................................... 273 4.1.2 Adjustment Items and the Order by Repaired Part .................................. 274 4.1.3 Adjustment Items ..................................................................................... 287 4.1.4 List of Tools/Software/Consumables for Adjustments ............................ 295 4.1.5 Service Program Basic Operations .......................................................... 296 4.2 NV-RAM BACKUP/NVRAM Viewer ............................................................ 297 4.2.1 NVRAM Read Procedure ........................................................................ 297 4.2.2 NVRAM Write Procedure ....................................................................... 297 4.2.3 NVRAM Viewer Basic Operation ........................................................... 298 4.3 ADJUSTMENTS (Individual) .......................................................................... 303 4.4 ADJUSTMENTS (Sequence) ........................................................................... 304 4.5 Installing Firmware .......................................................................................... 305 4.6 Image Print ....................................................................................................... 306 4.7 Counter Reset ................................................................................................... 307 4.8 References ........................................................................................................ 309 4.9 Initial Ink Charge Flag ...................................................................................... 310 4.10 CR Related Adjustments ................................................................................ 311 4.10.1 CR Belt Tension Check ......................................................................... 311 4.10.2 APG Function Check ............................................................................. 314 4.10.3 Ink Mark Sensor Check & Auto Adjustment ........................................ 315 4.10.4 CR Scale Check ..................................................................................... 316 4.10.5 CR Active Damper Auto Adjustment .................................................... 317 4.10.6 Auto Uni-D Adjustment ........................................................................ 318 4.10.7 Auto Bi-D Adjustment, acceleration/deceleration print correction ....... 319 4.10.8 PW + T&B&S check and adjustment .................................................... 320 4.10.8.1 PW Adjustment .............................................................................. 320 4.10.8.2 T&B&S Adjustment ....................................................................... 320 4.10.9 PG Check & Adjustment ....................................................................... 322 4.11 Head Related Checks and Adjustments .......................................................... 325 4.11.1 Tube Inner Pressure Reduction .............................................................. 325 4.11.2 Head ID Input ........................................................................................ 326 4.11.3 Nozzle Check ......................................................................................... 328 4.11.4 Cleaning ................................................................................................. 329 4.11.5 Head Inclination Check & Adjustment (CR direction) ......................... 330 4.11.5.1 Head Inclination Auto Adjustment (CR direction) ........................ 330 4.11.5.2 Head Inclination Manual Adjustment (CR direction) .................... 331 4.11.5.3 Correcting Head Inclination (CR direction) ................................... 331 4.11.6 Head Slant Check & Adjustment (PF direction) ................................... 333 4.11.6.1 Head Slant Auto Adjustment (PF direction) .................................. 334 4.11.6.2 Head Slant Manual Adjustment (PF direction) .............................. 335 4.11.6.3 Correcting Head Slant (PF direction) ............................................. 336 4.12 Ink Supply Related Checks and Adjustments ................................................ 337 4.12.1 Ink eject & pressure reduction ............................................................... 337 4.12.2 Cleaning (Tube Inner Cleaning) ............................................................ 338 4.12.3 Initial Ink Charge ................................................................................... 339 4.13 Media Feed Related Checks and Adjustments ............................................... 340 4.13.1 PF Belt Tension Check .......................................................................... 340 4.13.2 PC Scale Check ..................................................................................... 342 4.13.3 Media Feed Auto Adjustment ................................................................ 343 4.13.4 Cut Position Check & Adjustment ........................................................ 344 4.13.5 Paper Thickness Sensor Adjustment ..................................................... 346 4.13.6 Rear AD Adjustment ............................................................................. 348 4.14 Boards Related Checks and Adjustments ....................................................... 349 4.14.1 Main Board initial setting ...................................................................... 349 4.14.2 RTC Check & Adjustment .................................................................... 350 4.14.3 MAC Address Input ............................................................................... 351
SC-T7200/SC-T5200/SC-T3200/SC-T7200D/SC-T5200D series Revision A 10 Confidential 4.14.4 Serial Number & USB ID Check & Adjustment ................................... 352 4.14.5 Option HDD/PS Unit S/N information Write to NVRAM .................... 353 4.14.6 Board Replacement Date & Time Setting ............................................. 354 4.15 Other Printer Checks and Adjustments .......................................................... 355 4.15.1 Suction Fan Adjustment ........................................................................ 355 4.15.2 Panel Setting Reset & Job History Reset ............................................... 356 4.15.3 Roll Unit Nip Release ............................................................................ 357 4.15.4 Operation Panel Check (LCD & Buttons) ............................................. 358 4.15.4.1 Panel LCD Operation Check .......................................................... 358 4.15.4.2 Panel Buttons Operation Check ..................................................... 358 4.15.5 Motor Measurement & Automatic Adjustment ..................................... 359 Chapter 5 MAINTENANCE 5.1 Overview .......................................................................................................... 361 5.2 Storing the Printer ............................................................................................. 362 5.3 Transportation ................................................................................................... 363 5.4 Exchange Parts ................................................................................................. 364 5.5 Cleaning ............................................................................................................ 365 5.6 Lubrication ....................................................................................................... 369 Chapter 6 APPENDIX 6.1 Block Wiring Diagram ..................................................................................... 373 6.1.1 Main Body ............................................................................................... 373 6.1.2 Auto Take-up Reel ................................................................................... 374 6.2 Connection Diagram ......................................................................................... 375 6.3 Panel Menu Map ............................................................................................... 381 6.4 Part names used in this manual ........................................................................ 386 6.5 Exploded Diagram/Parts List ........................................................................... 389 6.6 Status Sheet ...................................................................................................... 390
Get the comprehensive service manual for the Epson SureColor T7200 Series, SureColor T5200 Series, SureColor T3200 Series, SureColor T7200D Series, and SureColor T5200D Series copiers. This manual is available in PDF format and includes detailed diagrams, pictures, and complete procedures for diagnosing and repairing your copier. Whether you're a professional mechanic or a DIY enthusiast, this manual provides valuable insights into the simulation codes, trouble codes, maintenance procedures, reset procedures, and diagnose procedures for the Epson SureColor copiers.
Explore the table of contents to discover:
Chapter 1: Product Description
Product Description
Basic Specifications
Basic Specifications
Electric Specifications
Ink Specifications
Printing Specifications
Paper Feed Specifications
Supported Media
Epson Special Media Table
Usable Commercially Available Paper Size
Printable area
Borderless Printing Specification
Stacker
Hardware Specifications
Dimensions and Weight
Installation Room Requirement
Part Names
Control Panel Specifications
Control panel and LCD
Menu Descriptions
Serviceman Mode
Chapter 2: Trouble Shooting
Overview
Preliminary Check
Before performing troubleshooting
Check for the usage environment
Recurrence check of the trouble
Check for the counter values/history
Test print check
Troubleshooting Procedure
Procedure after troubleshooting
If the trouble has been successfully solved
If necessary to escalate the trouble case
Remedies for Maintenance Requests
Remedies for Service Call Error
Remedies for Print Quality Troubles
Trouble on Paper Feeding
Other Troubles
Trouble on Service Program
Trouble on NVRAM Viewer
Chapter 3: Disassembly & Assembly
Overview
Precautions
Cautions after assembling
Orientation Definition
Recommended Tools
Parts Diagram
Disassembly Flowchart
Disassembly and Assembly Procedure
Preparation for servicing
Unlocking the CR Unit
Housing
TOP COVER
FRONT COVER
LOWER PAPER GUIDE
This extensive manual spans 389 pages and covers everything from troubleshooting to disassembly & assembly, adjustment, maintenance, and appendix sections, providing valuable insights for maintaining and repairing your Epson SureColor copiers.