Epson WorkForce WF-C20590/WF-C17590 Series Service Manual

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Table of contents:

Chapter 1. PRODUCT OUTLINE
1.1 Product Summary

Chapter 2. PRODUCT SPECIFICATIONS
2.1 Product Hardware Specifications
2.2 Printing Specifications
2.3 Copying Specifications
2.4 ADF Specifications
2.5 Scanner Specifications
2.6 Network Specifications/Fax Specifications

Chapter 3. STRUCTURE
3.1 Product Components (Part Names)
3.2 Specifications of Motor/Sensor/Clutch/Solenoid
3.2.1 Printer (Motor)
3.2.2 Printer (Solenoid/Clutch/Encoder)
3.2.3 Printer (Sensor)
3.2.4 Multi-cassette (Motor/Clutch/Sensor)
3.2.5 Scanner (Motor/Sensor)
3.2.6 ADF (Motor/Clutch/Sensor)
3.2.7 Bridge Unit (Motor)
3.2.8 Bridge Unit (Solenoid/clutch)
3.2.9 Bridge Unit (Sensor)
3.2.10 High Capacity Unit
3.2.11 Finisher Unit (Motor)
3.2.12 Finisher Unit (Solenoid/clutch)
3.2.13 Finisher Unit (Sensor)
3.3 Operating Principles
3.3.1 Print Head
3.3.2 Technology
3.3.2.1 Nozzle Verification Technology
3.3.2.2 BRS Technology
3.3.2.3 Cleaning
3.3.3 Ink system mechanism
3.3.3.1 Overview
3.3.3.2 Operating Principles
3.3.4 Paper Loading/Paper Feed/Paper Ejection Mechanism
3.3.4.1 Overview
3.3.4.2 Main components of Paper loading mechanism
3.3.4.3 Main components of Paper feeding mechanism
3.3.4.4 Main components of Paper ejection mechanism
3.3.4.5 Paper feed path
3.3.5 Scanner/ADF mechanism
3.3.5.1 ADF mechanism overview
3.3.5.2 Scanner mechanism overview
3.3.6 Option mechanism
3.3.6.1 Overview
3.3.6.2 Operating Principles of High Capacity Unit
3.3.6.3 Operating Principles of Finisher Unit
3.3.6.4 Operating Principles of Bridge Unit
3.4 Life control

Chapter 4. INSTALLATION
4.1 Installation Workflow
4.2 Confirm before Installation
4.2.1 Installation Environment
4.2.2 Notes on Work
4.2.3 Individual Correspondence
4.3 Pre-delivery inspection
4.3.1 Outline
4.4 Unpacking
4.4.1 Printer Included Items
4.4.2 Unpacking Procedure
4.4.3 Bridge Unit Included Items
4.4.4 Unpacking Procedure of the Bridge Unit
4.4.5 Finisher Unit Included Items
4.4.6 Unpacking Procedure of the Finisher Unit
4.4.7 High Capacity Unit Included Items
4.4.8 Unpacking Procedure of the High Capacity Unit
4.5 Installation
4.5.1 Overview
4.5.2 Procedure for Installing the Options
4.5.2.1 Installing the Bridge Unit
4.5.2.2 Installing the Finisher Unit
4.5.2.3 Installation of the High Capacity Unit
4.5.3 Installation of the Main unit
4.5.4 Firmware update
4.5.5 Ink information show/hide setting
4.5.6 Initial Settings
4.5.6.1 Language / Date / Time Setting
4.5.6.2 Initial Ink Charge
4.5.6.3 Options initial settings
4.5.6.4 Paper Setting
4.5.6.5 FAX Setting
4.5.7 Checking connection of optional units
4.5.8 Printing/operation checks after installation
4.5.9 ADF Copy Test
4.5.10 Network Setting
4.6 Relocation, Removal
4.6.1 Relocation, Removal Workflow
4.6.2 Confirmation before Relocation / Removal
4.6.3 Preparation – Software (Resetting)
4.6.4 Preparation – Hardware
4.6.5 Work After Relocation

Chapter 5. SERVICE SUPPORT MODE
5.1 Overview
5.1.1 Service mode startup
5.2 Menu Configuration
5.2.1 Top Menu Configuration
5.2.2 Service Support Menu Screen Transition

Chapter 6. TROUBLESHOOTING
6.1 Troubleshooting Workflow
6.2 Primary Check
6.3 List of Errors/Problems
6.3.1 For problems with error indications
6.3.1.1 Normal Errors
6.3.1.2 Paper jam error
6.3.1.3 Fatal error
6.3.2 For problems without error indications
6.3.2.1 Paper Feeding Problems
6.3.2.2 Print Quality Problems
6.3.2.3 Other Problems
6.3.2.4 ADF/Scanner Problems
6.3.2.5 Option Problems
6.4 Troubleshooting Errors with Error Indication
6.4.1 Normal Errors
6.4.2 Paper Jam Errors
6.4.3 Fatal Errors
6.5 Troubleshooting from Failure Phenomenon
6.5.1 Paper Feeding Problems
6.5.2 Print Quality Problems
6.5.3 Other Problems
6.5.4 ADF/Scanner Problems
6.5.5 Option Problems
6.6 Individual Action Check
6.6.1 Overview of Individual Action Check
6.6.2 How to run individual action checks
6.6.2.1 Check Item List
6.6.2.2 Detailed judgment method
6.6.2.3 List of Failure Diagnostics Codes
6.6.2.4 Failure Diagnostics Sequence
6.7 FAX Troubleshooting
6.7.1 Overview of FAX troubleshooting
6.7.2 Reports/Logs related to FAX
6.7.2.1 Fax log
6.7.2.2 Protocol trace
6.7.2.3 Fax Function Check Report
6.7.3 Error codes related to FAX
6.7.3.1 Overview
6.7.4 Service Parameter related to FAX
6.7.4.1 FAX Maintenance Mode
6.7.4.2 FAX Parameter List
6.7.5 Special Parameter related to FAX
6.7.5.1 Temporary save received fax documents (FAX to PC)
6.7.5.2 Temporary save received fax documents (FAX to PC)
6.7.6 FAX troubleshooting
6.7.6.1 Basics of FAX troubleshooting
6.7.6.2 Required product information for trouble reporting
6.7.6.3 Troubleshooting with Fax Function Check
6.7.6.4 Troubleshooting from error codes

Chapter 7. REPAIR WORK
7.1 Overview
7.1.1 Precautions Before Repair Work
7.1.2 Repair Workflow
7.1.3 Tools and Jigs
7.1.4 Definition of Orientation of the Printer
7.1.5 Disassembly/Reassembly Flowchart
7.1.5.1 Printer
7.1.5.2 Bridge Unit
7.1.5.3 High Capacity Unit
7.1.5.4 Finisher Unit
7.2 Adjustment and Inspection Work
7.2.1 Adjustment and Inspection Overview
7.2.2 Adjustment and Inspection List
7.2.3 Adjustments Required before/after Repair
7.2.4 Adjustment/Inspection Details
7.2.4.1 [1. Maintenance: MENU]
7.2.4.2 [2. Individual Action Check: MENU]
7.2.4.3 [3. Before Repair Operation: MENU]
7.2.4.4 [4. Adjustment – Main/ Option Unit: MENU]
7.2.4.5 [5. Adjustment – SCN/ADF: MENU]
7.2.4.6 [6. Ink Charge/Discharge: MENU]
7.2.4.7 [7. Installation: MENU]
7.2.4.8 [8. USB Memory FW Update]
7.2.4.9 [9. Rom Board Temporary Repair: MENU]
7.2.4.10 [A. Swap Mech Unit: MENU]
7.2.4.11 [C. Debug Log]
7.2.4.12 [D. Other: MENU]
7.2.4.13 Collateral Operation
7.2.5 Mechanical Adjustment
7.2.5.1 Mechanical Side Registration Adjustment
7.3 Repair work
7.3.1 Parts/Components Location
7.3.1.1 Filters
7.3.1.2 ADF/Scanner
7.3.1.3 ASF (1)
7.3.1.4 ASF (2)
7.3.1.5 MP
7.3.1.6 Electrical Components (1)
7.3.1.7 Electrical Components (2)
7.3.1.8 Head
7.3.1.9 Ink System (1)
7.3.1.10 Ink System (2)
7.3.1.11 Ink System (3)
7.3.1.12 Paper Feed
7.3.1.13 Paper Ejection (1)
7.3.1.14 Paper Ejection (2)
7.3.1.15 Paper Ejection (3)
7.3.1.16 Housing
7.3.1.17 Multi-Cassette Housing (1)
7.3.1.18 Multi-Cassette Housing (2)
7.3.1.19 Multi-Cassette Electrical
7.3.1.20 Multi-Cassette ASF (1)
7.3.1.21 Multi-Cassette ASF (2)
7.3.1.22 Bridge Unit (1)
7.3.1.23 Bridge Unit (2)
7.3.1.24 Bridge Unit (3)
7.3.1.25 Bridge Unit (4)
7.3.1.26 Bridge Unit (5)
7.3.1.27 Bridge Unit (6)
7.3.1.28 Bridge Unit (7)
7.3.1.29 Bridge Unit (8)
7.3.1.30 Bridge Unit (9)
7.3.1.31 High Capacity Unit
7.3.1.32 Finisher Unit (1)
7.3.1.33 Finisher Unit (2)
7.3.1.34 Finisher Unit (3)
7.3.1.35 Finisher Unit (4)
7.3.1.36 Finisher Unit (5)
7.3.2 How to Read This Chapter
7.3.3 Repair Work Details (Main Unit)
7.3.3.1 Filters
7.3.3.2 ADF/Scanner
7.3.3.3 ASF 1/4
7.3.3.4 ASF 2/4
7.3.3.5 ASF 3/4
7.3.3.6 ASF 4/4
7.3.3.7 MP
7.3.3.8 Electrical Components 1/3
7.3.3.9 Electrical Components 2/3
7.3.3.10 Electrical Components 3/3
7.3.3.11 Head
7.3.3.12 Ink System 1/3
7.3.3.13 Ink System 2/3
7.3.3.14 Ink System 3/3
7.3.3.15 Paper Feed
7.3.3.16 Paper Ejection 1/4
7.3.3.17 Paper Ejection 2/4
7.3.3.18 Paper Ejection 3/4
7.3.3.19 Paper Ejection 4/4
7.3.3.20 Housing 1/2
7.3.3.21 Housing 2/2
7.3.3.22 Multi-Cassette Housing 1/3
7.3.3.23 Multi-Cassette Housing 2/3
7.3.3.24 Multi-Cassette Housing 3/3
7.3.3.25 Multi-Cassette Electrical
7.3.3.26 Multi-Cassette ASF 1/3
7.3.3.27 Multi-Cassette ASF 2/3
7.3.3.28 Multi-Cassette ASF 3/3
7.3.4 Repair Work Details (Bridge Unit)
7.3.4.1 Housing 1/2
7.3.4.2 Housing 2/2
7.3.4.3 Electrical Components 1/5
7.3.4.4 Electrical Components 2/5
7.3.4.5 Electrical Components 3/5
7.3.4.6 Electrical Components 4/5
7.3.4.7 Electrical Components 5/5
7.3.4.8 Paper Feed 1/7
7.3.4.9 Paper Feed 2/7
7.3.4.10 Paper Feed 3/7
7.3.4.11 Paper Feed 4/7
7.3.4.12 Paper Feed 5/7
7.3.4.13 Paper Feed 6/7
7.3.4.14 Paper Feed 7/7
7.3.5 Repair Work Details (High Capacity Unit)
7.3.5.1 Housing
7.3.5.2 Electrical Components / Paper Feed
7.3.6 Repair Work Details (Finisher Unit)
7.3.6.1 Housing 1/6
7.3.6.2 Housing 2/6
7.3.6.3 Housing 3/6
7.3.6.4 Housing 4/6
7.3.6.5 Housing 5/6
7.3.6.6 Housing 6/6
7.3.6.7 Main Unit Front Side 1/2
7.3.6.8 Main Unit Front Side 2/2
7.3.6.9 Main Unit Center Side 1/3
7.3.6.10 Main Unit Center Side 2/3
7.3.6.11 Main Unit Center Side 3/3
7.3.6.12 Main Unit Rear Side 1/3
7.3.6.13 Main Unit Rear Side 2/3
7.3.6.14 Main Unit Rear Side 3/3
7.3.7 Reference Information

Chapter 8. MAINTENANCE/INSPECTION
8.1 Cleaning
8.1.1 Cleaning Supplies
8.1.2 Parts to be Cleaned using Specified Method
8.1.2.1 How to Clean the Paper Feed Rollers
8.1.2.2 How to Clean the Belt Drawer Unit
8.1.2.3 How to Clean the Cap of the Cap Motion Unit
8.2 Lubrication
8.2.1 Lubrication Instructions
8.3 Maintenance
8.3.1 Overview
8.3.1.1 Cleaning Supplies
8.3.1.2 Parts/Components to be Checked
8.3.1.3 Criteria for Judging the Necessity of Cleaning
8.3.2 Checking Works
8.3.2.1 Check 1
8.3.2.2 Check 2
8.3.2.3 Check 3
8.3.2.4 Check 4
8.3.2.5 Check 5
8.3.2.6 Check 6
8.4 Periodic Replacement Parts
8.4.1 Overview
8.4.2 Resetting the Counter of Periodic Replacement Parts
8.5 Firmware Update Using USB Flash Drive

Chapter 9. APPENDIX
9.1 Connection Diagram
9.1.1 Main Unit (Printer)
9.1.2 Bridge Unit
9.2 Part Names Conversion Table
9.3 Status Sheet Information
9.4 How to Analyze DIS(DTC)/DCS
9.4.1 DIS(DTC) Bit Assignment for Capabilities
9.4.2 DCS Bit Assignment for Capabilities
9.5 Hard Disk Drive (HDD) Specifications
9.5.1 Overview
9.5.2 HDD Partitions
9.5.3 Erasing All Data on the HDD
9.5.4 HDD Failure
9.6 The Other Troubles
9.6.1 Ink Leak
9.6.2 Ink Cannot be Discharged
9.6.3 Belt Drawer Unit Cannot be Removed
9.6.4 The Cap of the Cap Motion Unit Does Not Move Down
9.6.5 Print Head Cannot be Unlocked
9.6.6 Abnormal sound is produced by the Bridge Unit
9.6.7 Multi-Feed / Non-Feed Occurs
9.6.8 If Condensation Occurs
9.7 Head ASP unpacking / repacking / Jig handling
9.7.1 Outline
9.7.2 Head ASP contents in the box
9.7.3 Head ASP unpacking / repacking / Jig handling
9.8 How to shorten MTTR / Repair Operation Flow of the major parts
9.8.1 Target Parts and MTTR
9.8.2 Details of Repair Operation
9.8.2.1 Head Unit
9.8.2.2 Ink Supply Unit
9.8.2.3 Maintenance Unit
9.8.2.4 Cap Motion Unit
9.8.2.5 Belt Drawer Unit
9.9 How to use in compliance with ISO 15408
9.9.1 Overview
9.9.2 Requirements and restrictions necessary for compliance
9.9.3 Confirm user request
9.9.4 Installation / Setting operation
9.9.4.1 Prior confirmation
9.9.4.2 Confirmation and preparation before visiting customers
9.9.5 Repair treatment
9.9.6 Security functions installation and setting list

EPSON WFC20590 WFC17590 Series EPSON WF C20590 WF C17590