Epson Surecolor SC-T5400 Series/SC-T3400 Series/SC-T3400N Series Service Manual


This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Epson.
You can print, zoom or read any diagram, picture or page from this manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Epson SC-T5400 Series/SC-T3400 Series/SC-T3400N Series Service Manual.
Table of contents:

Chapter 1. PRODUCT DESCRIPTION
1.1 Product Description
1.2 Basic Specifications
1.2.1 Basic Specifications
1.2.2 Electric Specifications
1.2.3 Ink Specifications
1.3 Printing Specifications
1.3.1 Paper Feed Specifications
1.3.2 Supported Media
1.3.3 Printable area
1.3.4 Borerless Printing Specification
1.4 Hardware Specifications
1.4.1 Dimensions and Weight
1.4.2 Installation Room Requirement
1.4.3 Part Names
1.5 Control Panel Specifications
1.5.1 Control Panel
1.5.2 Menu Descriptions
1.5.3 Various Startup Mode

Chapter 2. TROUBLESHOOTING
2.1 Overview
2.1.1 Preliminary Check
2.1.2 Troubleshooting Procedure
2.1.3 Procedure after troubleshooting
2.2 Maintenance Call
2.3 Troubleshooting from Service Call
2.3.1 Service Call Classification Table
2.3.2 Service Call List
2.3.3 Details of Service Call
2.4 Troubleshooting from Problem Phenomenon
2.4.1 Problem Phenomenon Classification Table
2.4.2 Problem Phenomenon Overview
2.4.3 Detail of each Problem Phenomenon
2.5 Resistance Values
2.6 Fuse Positions (TBD)

Chapter 3. DISASSEMBLY & ASSEMBLY
3.1 Overview
3.1.1 Precautions
3.1.2 Cautions after assembling
3.1.3 Orientation Definition
3.1.4 Recommended Tools
3.2 Parts Diagram
3.3 Disassembly Flowchart
3.4 Disassembly and Assembly Procedure
3.4.1 Preparation for servicing
3.4.2 Housing
3.4.3 Electric Circuit Components
3.4.4 Carriage Mechanism/Ink System Mechanism/Cutter Mechanism
3.4.5 Paper Feed Mechanism
3.4.6 Stand

Chapter 4. ADJUSTMENT
4.1 Overview
4.1.1 Precautions
4.1.2 Adjustment Items and the Order by Repaired Part
4.1.3 Adjustment Items
4.1.4 List of Tools/Software/Consumables for Adjustments
4.1.5 Service Program Basic Operations
4.2 NV-RAM BACKUP / NVRAM Viewer
4.2.1 Parameter Backup procedure
4.2.2 NVRAM Viewer Basic Operation
4.3 Individual Adjustments
4.4 Adjustment (Sequential)
4.5 Installing Firmware
4.6 Image Print
4.7 References
4.8 CR/Head Related Adjustments
4.8.1 Head ID Check & Input
4.8.2 PG Check & Adjustment
4.8.3 Head Inclination Check & Adjustment (CR direction)
4.8.4 Head Slant Check & Adjustment (PF direction)
4.8.5 CR Timing Belt Tension Adjustment
4.8.6 PG Lever Adjustment
4.8.7 Uni-D Adjustment (Home -> Full)
4.8.8 Uni-D Adjustment (Full -> Home)
4.8.9 Bi-D Adjustment
4.8.10 Nozzle Verification Technology Noise Check
4.8.11 Nozzle Verification Technology Rank Sort
4.8.12 Nozzle Verification Technology Check
4.8.13 CR Scale Check
4.8.14 Head Alignment Check
4.8.15 IMS Adjustment
4.8.16 CR Active Dumper Adjustment
4.8.17 CR Motor Measurement & Auto Adjustment
4.8.18 CR Scale Replacement Date & Time Setting
4.9 Ink Supply Related Adjustments
4.9.1 Pump Cap Unit Measurement & Auto Adjustment
4.9.2 Head Inner Pressure Reduction
4.9.3 Ink Discharge
4.9.4 Tube Wash
4.9.5 Cleaning
4.9.6 Initial Ink Charge
4.9.7 Ink Leak Flag Reset
4.9.8 Initial Ink Charge Flag On/Off
4.10 Media Feed Related Checks and Adjustments
4.10.1 PF Timing Belt Tension Adjustment
4.10.2 Paper Feed Adjustment
4.10.3 Cut Position Adjustment
4.10.4 PW Sensor Check & Adjustment
4.10.5 T&B&S Check & Adjustment
4.10.6 PF Scale Check
4.10.7 PF Motor Measurement & Auto Adjustment
4.10.8 Cutter Motor Measurement & Auto Adjustment
4.10.9 Suction Fan Check
4.10.10 Rear AD Adjustment
4.10.11 ATC Motor Replacement Date & Time Setting
4.10.12 PF Scale Replacement Date & Time Setting
4.11 Boards Related Adjustments
4.11.1 RTC Input
4.11.2 MAC Address Check & Input
4.11.3 Serial Number Read & Write
4.11.4 NVRAM Backup/Restore
4.11.5 Main Board Initial Setting
4.11.6 Main Board Replacement Date & Time Setting
4.11.7 Power Supply Board (Home side) Replacement Date & Time Setting
4.11.8 Power Supply Board (Full side) Replacement Date & Time Setting
4.11.9 Print Head Counter Reset
4.11.10 Pump Cap Counter Reset
4.11.11 CR Motor Counter Reset
4.11.12 PF Motor Counter Reset
4.11.13 Ink Holder Counter Reset
4.11.14 Cutter Motor Counter Reset
4.11.15 Ink Tube Counter Reset
4.12 Others
4.12.1 Panel Display Check
4.12.2 Print Head Ground Resistance Check
4.12.3 Reset for Password of Administrator
4.12.4 Reset Job History
4.13 Maintenance
4.13.1 Sensor Check

Chapter 5. MAINTENANCE
5.1 Overview
5.2 Storing the Printer
5.3 Moving/Transporting the Printer
5.3.1 Moving
5.3.2 Transporting to/Storing in Environment of -10 °C or Less
5.4 Exchange Parts
5.5 Cleaning
5.6 Lubrication

Chapter 6. APPENDIX
6.1 Block Wiring Diagram
6.2 Connection Diagram
6.3 Panel Menu Map
6.4 Part names used in this manual
6.5 Power-On Sequence

Epson SCT5400 SCT3400 SCT3400N Series T5400 T3400 T3400N sc-t

About Epson Surecolor SC-T5400 Series/SC-T3400 Series/SC-T3400N Series Documentation

This page provides technical documentation for the Epson Surecolor SC-T5400 Series/SC-T3400 Series/SC-T3400N Series used by service technicians and maintenance professionals.

The service manual typically includes troubleshooting procedures, adjustment instructions, service mode information, internal component layouts and maintenance guidelines required for proper repair and servicing.

These documents are commonly used in professional repair environments where accurate technical reference and correct service procedures are required.