Epson GT-S80/GT-S50 Service Manual


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual Epson GT-S80/GT-S50 contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
Table of contents:

Chapter 1) PRODUCT DESCRIPTION
1.1 Features
1.2 Specifications
1.3 Operating System Compatibility
1.4 Interface
1.5 Exterior Specifications
1.5.1 Operation Buttons
1.5.2 LED Indicator
1.5.3 Dimensions
1.5.4 Maximum Document Size and Placement
1.6 Control Codes
1.7 Error-Time Processing

Chapter 2) OPERATING PRINCIPLES
2.1 Engine Operation Outline
2.1.1 Carriage Unit
2.2 Document Feeding Mechanism
2.2.1 Configuration
2.2.2 Scanning Operation
2.2.3 Detecting Double Feeding (GT-S80 only)

Chapter 3) TROUBLESHOOTING
3.1 Overview
3.1.1 Self-Diagnostic Function
3.2 Troubleshooting

Chapter 4) DISASSEMBLY / ASSEMBLY
4.1 Overview
4.1.1 Precautions
4.1.2 Recommended Tools
4.1.3 Recommended Screws
4.1.4 Protection for Transportation
4.1.5 Differences between the Models
4.2 Disassembly Procedure
4.2.1 Input Tray Assy
4.2.2 Separator Module/Paper Feed Roller/Separation Pad
4.2.3 Switch Holder/ DC Cable Connector
4.2.4 Base Cover/Switch Harness/Foot
4.2.5 Top unit
4.2.6 Main Board Assy
4.2.7 Bottom Cover
4.2.8 Carriage Assy (Bottom)
4.2.9 Ultra Sonic RX Board/Ultra Sonic Sensor (Receiver) (GT-S80 only)
4.2.10 Door Sensor
4.2.11 Bottom Cover Mylar/Edge Guide
4.2.12 Hinge Cover
4.2.13 Front Cover/LCM Board/Display Cover
4.2.14 Carriage Assy (Top)
4.2.15 Paper Path Sensor
4.2.16 Ultra Sonic TX Board/Ultra Sonic Sensor (transmitter)
4.2.17 Metal Frame Assy
4.2.18 Top Cover Assy

Chapter 5) ADJUSTMENT
5.1 Adjustment Items and Overview
5.1.1 List of Adjustment Items
5.1.2 Required Adjustments after Removing/Replacing Parts
5.2 Adjustment Program Overview
5.2.1 Operational Environment
5.2.2 How to Use Adjustment Program
5.2.2.1 File and folder structure of the Adjustment Program
5.2.2.2 Starting up the Adjustment Program
5.3 Adjustment
5.3.1 Reading and Writing EEPROM Data
5.3.2 Shading Adjustment
5.3.3 Find Edge Adjustment
5.3.4 Firmware Version Check
5.3.5 Firmware Update
5.3.5.1 Firmware update of the Main Board 85
5.3.5.2 Firmware update of the Panel 86
5.4 Test Charts Maintenance

Chapter 6) MAINTENANCE
6.1 Overview
6.1.1 Cleaning
6.1.2 Lubrication

Chapter 7) APPENDIX
7.1 Connectors
7.1.1 Connector Reference Table
7.1.2 Connector Arrangement.

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