Epson WorkForce WF-R5690/WF-R4640/WF-R5190 Service Manual

Service Manual Epson WorkForce WF-R5690/WF-R4640/WF-R5190;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Epson.
Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Epson WorkForce photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Chapter 1) TROUBLESHOOTING
1.1 Troubleshooting
1.1.1 Troubleshooting Workflow
1.1.2 Power-On Sequence
1.1.3 Fatal Error
1.1.4 FAX Troubleshooting
1.1.4.1 FAX Log
1.1.4.2 Error Code/Superficial Phenomenon-Based Troubleshooting
1.1.5 Status sheet
1.1.5.1 Start method of Maintenance Special Mode
1.1.5.2 Description of Status sheet (Non-disclosed information to user)

Chapter 2) DISASSEMBLY/REASSEMBLY
2.1 Overview
2.1.1 Tools
2.1.2 Screw types used in the printer
2.1.3 Standard Operation Time for servicing the product
2.2 Parts Diagram
2.3 Disassembly and Assembly Procedure
2.3.1 Preparation for servicing
2.3.1.1 Unlocking the Carriage Assy
2.3.1.2 Parts/Units Need to be Removed in Advance
2.3.2 Exterior parts (WF-R5690/R4640 series)
2.3.2.1 Panel Unit
2.3.2.2 Speaker
2.3.2.3 Housing Rear Assy
2.3.2.4 FAX Cover
2.3.2.5 ADF/Scanner Unit
2.3.2.6 Front Housing Assy
2.3.2.7 Middle Housing
2.3.3 Exterior parts (WF-R5190 series)
2.3.3.1 Panel Unit
2.3.3.2 Housing Upper
2.3.3.3 Housing Rear Assy
2.3.3.4 USB Cover
2.3.3.5 Front Housing Assy
2.3.3.6 Middle Housing
2.3.4 Printer Mechanism
2.3.4.1 Main Board Unit
2.3.4.2 Main Board
2.3.4.3 Power Supply Unit
2.3.4.4 Rear ASF Assy
2.3.4.5 Rear ASF Guide Upper
2.3.4.6 Decompress Pump Unit
2.3.4.7 PF Encoder
2.3.4.8 Printhead
2.3.4.9 Ink Supply Unit
2.3.4.10 Head FFC
2.3.4.11 Ink Supply Assy
2.3.4.12 CR Scale
2.3.4.13 Ink System
2.3.4.14 CR Guide Frame Assy
2.3.4.15 Frame Base Assy
2.3.4.16 Star Wheel Assy
2.3.4.17 Front Frame Assy
2.3.4.18 EJ Roller
2.3.5 Ink Supply Mechanism
2.3.5.1 Ink Supply BK Cover Assy
2.3.5.2 Ink Supply CL Cover Assy
2.3.5.3 Releasing the Ink Supply BK Assy
2.3.5.4 Releasing the Ink Supply CL Assy
2.3.5.5 Ink Supply BK Cover Open Sensor
2.3.5.6 Ink Supply CL Cover Open Sensor
2.3.5.7 Ink Supply BK Assy
2.3.5.8 Ink Supply CL Assy
2.3.5.9 Ink Pack Holder (BK)
2.3.5.10 Ink Pack Holder (Y/M/C)
2.3.5.11 Ink Supply Needle
2.3.5.12 Ink tube
2.3.6 ADF/Scanner Unit
2.3.6.1 ADF Rear Cover
2.3.6.2 ADF Cover Assy
2.3.6.3 ADF Document Support Assy
2.3.6.4 ADF LD Assy
2.3.6.5 Scanner Unit
2.3.7 2nd Cassette Unit
2.3.7.1 2nd Cassette Unit
2.3.7.2 Paper Stopper Assy 1st/2nd
2.3.7.3 Pick Up Roller Assy 1st
2.3.7.4 Pick Up Roller Assy 2nd
2.4 Routing FFCs/Cables
2.4.1 Top of the Scanner Unit
2.4.2 Bottom of the Frame Base
2.4.3 Bottom of the Scanner Unit (WF-R5690/R4640 series)
2.4.4 Inside of the FAX Cover (WF-R5690/R4640 series)
2.4.5 Front of the Printer
2.4.6 Center of the Printer
2.4.7 Bottom of the Ink System Unit
2.4.8 Carriage Assy
2.4.9 Speaker Cable
2.4.10 Around the Main Board Assy (1)
2.4.11 Around the Main Board Assy (2)
2.4.12 Around the Main Board Assy (3)
2.4.13 2nd Cassette Housing Assy
2.4.14 CRCM FFC
2.4.15 Ink Supply BK Assy
2.4.16 Ink Supply CL Assy

Chapter 3) ADJUSTMENT
3.1 Required Adjustments
3.2 Details of Adjustments
3.2.1 PF Timing Belt Tension Check
3.2.2 Rear ASF Timing Belt Tension Check
3.2.3 PG Adjustment
3.2.3.1 Preparation
3.2.3.2 PG Adjustment procedure
3.2.4 Checking the Platen Gap
3.2.5 Ink Leak check
3.2.6 Head Angular Mechanism Adjustment
3.2.6.1 Preparation of the Head Angular Adjustment
3.2.6.2 Adjustment Procedure
3.2.7 Touch Panel Adjustment (WF-R5690/R4640 series only)

Chapter 4) MAINTENANCE
4.1 Overview
4.1.1 Cleaning
4.1.2 Lubrication
4.2 Lubrication Points and Instruction
4.3 Initialization of Admin Password

Chapter 5) APPENDIX
5.1 Connector Diagram
5.2 Protection for transportation
5.2.1 Pasting the packing material to the Holder Slider Ink pack Assy