Service Manual Epson WP-4590/WP-4540/WP-4530/WP-4520/WP-4510/WP-4090/WP-4020/WP-4010;
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 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
Chapter 1) PRODUCT DESCRIPTION
1.1 Features
1.2 Printing Specifications
1.2.1 Basic Specifications
1.3 Scanner Specifications (WP-4590/4540/4530/4520/4510 series only)
1.3.1 Basic Specifications
1.4 Control Panel
1.4.1 Operation Buttons & LEDs
1.4.2 LEDs and LCD Indications
1.5 Various Settings
1.5.1 Panel Operation
1.5.1.1 Setup Menu Configuration (WP-4590/4540/4530/4520/4510 series only)
1.5.1.2 Panel Operation Lock Setting (WP-4590/4540/4530/4520/4510 series only)
1.5.1.3 Forced Power OFF
1.5.1.4 Printer Status Sheet
Chapter 2) OPERATING PRINCIPLES
2.1 Overview
2.2 Printhead
2.3 Motors and Sensors
2.4 Optical Sensor Control
2.5 Ink Supply Mechanism
2.6 Ink System Mechanism
2.7 Power-On Sequence
Chapter 3) TROUBLESHOOTING
3.1 Troubleshooting
3.1.1 Error Message List
3.1.2 Troubleshooting Workflow
3.1.3 Fatal Error Code
3.1.4 FAX Troubleshooting (WP-4590/4540/4530/4520 series only)
3.1.4.1 FAX Log
3.1.4.2 Error Code/Superficial Phenomenon-Based Troubleshooting
Chapter 4) DISASSEMBLY/REASSEMBLY
4.1 Overview
4.1.1 Tools
4.1.2 Jigs
4.2 Disassembly/Reassembly Procedures
4.2.1 Caution when Replacing the Printhead/Ink Supply Unit
4.2.2 Parts/Units Need to be Removed in Advance
4.2.3 Disassembly Flowchart
4.2.3.1 Parts/Units whose Configuration is Different between Models in the Flowchart
4.2.3.2 Exterior Parts
4.2.3.3 Printer Mechanism
4.2.3.4 Printhead/Ink Supply Unit
4.2.3.5 2nd Cassette Unit
4.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit
4.4 Routing FFCs/cables
4.5 Connector
Chapter 5) ADJUSTMENT
5.1 Required Adjustments
5.2 Details of Adjustments
5.2.1 PF Timing Belt Tension Check
5.2.2 Rear ASF Timing Belt Tension Check
5.2.3 PG Adjustment
5.2.4 Checking the Platen Gap
5.2.5 MAC Address Setting
5.2.6 Touch Panel Adjustment (WP-4540 series only)
5.2.7 Ink Leak Check
Chapter 6) MAINTENANCE
6.1 Overview
6.1.1 Cleaning
6.1.2 Lubrication
6.2 Lubrication Points and Instructions
Epson WorkForce Pro WP-4590/WP-4540/WP-4530/WP-4520/WP-4510/WP-4090/WP-4020/WP-4010 Technical Documentation
The documentation available for the Epson WorkForce Pro WP-4590/WP-4540/WP-4530/WP-4520/WP-4510/WP-4090/WP-4020/WP-4010 is designed to support maintenance, troubleshooting and component-level servicing.
Depending on the document type, the service manual may include service procedures, exploded parts diagrams, adjustment sequences, wiring references and diagnostic information used during repair operations.
Technicians use these manuals to identify faults, replace components correctly and maintain equipment according to manufacturer service specifications.