Epson Stylus NX420 TX420W SX420W SX425W Service Manual & Repair Guide
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Epson Stylus NX510/NX515/SX510W/SX515W/TX550W
Epson Stylus NX415/SX410/SX415/TX410/TX419
Epson Stylus NX215/SX210/SX215/TX210/
TX213/TX219/ME OFFICE 510
Epson Stylus NX420/TX420W/SX420W/SX425W
Epson ME OFFICE 560W
Epson Stylus TX220/NX220/SX218/TX228
Epson ME OFFICE 520
Color Inkjet Printer
SEMF09-002
SERVICE MANUAL
Confidential
Confidential
PRECAUTIONS
Precautionary notations throughout the text are categorized relative to 1) Personal injury and 2) damage to equipment.
DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by
DANGER Headings.
WARNING Signals a precaution which, if ignored, could result in damage to equipment.
The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.
DANGER
1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR
PROCEDURES.
2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS
TECHNICIANS IN THEIR LINE OF WORK.
3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO
SO. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC
COMPONENTS.
4. WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT, MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES.
WARNING
1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN.
2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE
EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED
CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.
4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST
STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.
5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICs OR
OTHER NON-APPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY.
6. WHEN USING COMPRESSED AIR PRODUCTS; SUCH AS AIR DUSTER, FOR CLEANING DURING REPAIR AND MAINTENANCE, THE USE OF SUCH
PRODUCTS CONTAINING FLAMMABLE GAS IS PROHIBITED.
Confidential
About This Manual
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and procedures included
herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.
Manual Configuration
This manual consists of six chapters and Appendix.
CHAPTER 1.PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the product.
CHAPTER 2.OPERATING PRINCIPLES
Describes the theory of electrical and mechanical operations of the
product.
CHAPTER 3.TROUBLESHOOTING
Describes the step-by-step procedures for the troubleshooting.
CHAPTER 4.DISASSEMBLY / ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling
the product.
CHAPTER 5.ADJUSTMENT
Provides Epson-approved methods for adjustment.
CHAPTER 6.MAINTENANCE
Provides preventive maintenance procedures and the lists of Epson-
approved lubricants and adhesives required for servicing the product.
CHAPTER 7.APPENDIX
Provides the following additional information for reference:
• Exploded Diagram
• Parts List
CHAPTER 8.Epson Stylus NX420/NX220 series
Provides particular information on the following models:
• Epson Stylus NX420/TX420W/SX420W/SX425W
Epson ME OFFICE 560W
• Epson Stylus TX220/NX220/SX218/TX228
Epson ME OFFICE 520
Symbols Used in this Manual
Various symbols are used throughout this manual either to provide additional
information on a specific topic or to warn of possible danger present during a
procedure or an action. Be aware of all symbols when they are used, and always read
NOTE, CAUTION, or WARNING messages.
Indicates an operating or maintenance procedure, practice or condition
that is necessary to keep the product’s quality.
Indicates an operating or maintenance procedure, practice, or condition
that, if not strictly observed, could result in damage to, or destruction of,
equipment.
May indicate an operating or maintenance procedure, practice or
condition that is necessary to accomplish a task efficiently. It may also
provide additional information that is related to a specific subject, or
comment on the results achieved through a previous action.
Indicates an operating or maintenance procedure, practice or condition
that, if not strictly observed, could result in injury or loss of life.
Indicates that a particular task must be carried out according to a certain
standard after disassembly and before re-assembly, otherwise the
quality of the components in question may be adversely affected.
A D J U S T M E N T
R E Q U I R E D
C A U T I O N
C H E C K
P O I N T
W A R N I N G
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Revision Status
Revision Date of Issue Description
A May 7, 2009 First Release
B March 30, 2010 Revised Contents
Description about NX420/NX220 series has been added.
Preface
Description has been added in " Manual Configuration" (p4).
Chapter 1
Items have been added in Checkpoint in "1.1 Features" (p12).
Chapter 2
Items have been added in Checkpoint in "2.1 Overview" (p52).
Specification of NX420/NX220 series have been added in "2.1.2 Motors & Sensors" (p53).
Product names have been added in "2.1.3 Printhead" (p55).
Chapter 3
Items have been added in Warning/Checkpoint in "3.1 Overview" (p60).
Product names have been added in "3.2.1 Motor and Sensor Troubleshooting" (p62).
Product names have been added in "3.3.1 Error Message List" (p63).
Product names have been added in "3.3.2 Troubleshooting by Error Message" (p66).
Lead section has been revised in "3.4 Network Troubleshooting (NX510/NX420 series only)" (p93).
Chapter 4
Items have been added in Checkpoint in "4.1 Overview" (p96).
Lead section has been revised in "4.1.4 Procedural Differences between the Models" (p99).
Items have been added in Checkpoint in "4.2 Disassembly Procedures" (p101).
Items have been added in Checkpoint in "4.3.4 Scanner Unit/Hinge" (p104)
Product names have been added in Reassembly in "4.3.5 Upper Housing/Card Slot Cover" (p107).
Items have been added in Checkpoint in "4.4.1 Main Board Unit" (p109)
Items have been added in Checkpoint in "4.4.2 Panel Unit/LCD Unit" (p112)
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B March 30, 2010
Chapter 4
Item and product name have been added in Checkpoint and the disassembling procedure in "4.4.3 Power Supply
Unit" (p115).
Items have been added in Checkpoint in "4.5.1 Printhead" (p117).
Items have been added in Checkpoint in "4.5.4 Removing the Printer Mechanism (Lower Housing)" (p122).
Items have been added in Checkpoint in "4.5.5 Left Frame" (p123)
Items have been added in the disassembling procedure and Reassembly in "4.5.6 Front Frame/Right Frame"
(p124).
Product names have been added in the disassembling procedure and Reassembly in "4.5.9 PF Encoder Sensor"
(p128).
Product names have been added in the disassembling procedure and Reassembly in "4.5.11 PF Motor" (p129).
Product names have been added in the disassembling procedure in "4.5.13 Main Frame Assy" (p132)
Made a change for Reassembly and product names have been added in the disassembling procedure and
Reassembly in "4.5.17 Ink System Unit" (p138).
Product names have been added in the disassembling procedure and Reassembly in "4.5.20 Waste Ink Pads"
(p143).
Items have been added in Checkpoint in "4.7.1 Main Board Unit (SX410 series)" (p150)
Items have been added in Checkpoint in "4.7.2 Panel Unit/LCD Unit (SX410 series)" (p152)
Items have been added in Checkpoint in "4.7.3 Printhead (SX410 series)" (p154).
Items have been added in Checkpoint in "4.7.4 Removing the Printer Mechanism (Lower Housing) (SX410
series)" (p156).
Items have been added in Checkpoint in "4.8.1 Main Board Unit (SX210/NX220 series)" (p158).
Items have been added in Checkpoint in "4.8.2 Panel Unit/LCD Unit (SX210 series)" (p159).
Items have been added in Checkpoint in "4.8.3 Printhead (SX210/NX220 series)" (p162).
Items have been added in Checkpoint in "4.8.4 Removing the Printer Mechanism (Lower Housing) (SX210/
NX420/NX220 series)" (p164).
Revision Date of Issue Description
Confidential
B March 30, 2010
Chapter 5
Product names have been added in Checkpoint in "5.1.1 Servicing Adjustment Item List" (p166).
Product names have been added in "5.2.4 Bi-D Adjustment" (p173).
Product names have been added in "5.2.5 PF Adjustment" (p174).
Product names and MAC address label location have been added in "5.2.8 MAC Address Setting (NX510/NX420
series only)" (p177).
Chapter 8
"Chapter 8 Epson Stylus NX420/ NX220 series" (p188) has been added.
Revision Date of Issue Description
Epson Stylus NX510/SX410/SX210/NX420/NX220 series Revision B
8
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Contents
Chapter 1 PRODUCT DESCRIPTION
1.1 Features................................................................................................................ 12
1.2 Printing Specifications......................................................................................... 13
1.2.1 Basic Specifications .................................................................................... 13
1.2.2 Ink Cartridge ............................................................................................... 14
1.2.3 Print Mode .................................................................................................. 15
1.2.4 Supported Paper .......................................................................................... 21
1.2.5 Printing Area............................................................................................... 23
1.3 Scanner Specifications......................................................................................... 23
1.3.1 Scanning Range .......................................................................................... 24
1.4 General Specifications ......................................................................................... 24
1.4.1 Electrical Specifications ............................................................................. 24
1.4.2 Environmental Conditions .......................................................................... 25
1.4.3 Durability .................................................................................................... 25
1.4.4 Acoustic Noise ............................................................................................ 25
1.4.5 Safety Approvals (Safety standards/EMI) .................................................. 26
1.5 Interface ............................................................................................................... 26
1.5.1 USB Interface ............................................................................................. 26
1.5.2 Network Interface (NX510 series only) ..................................................... 27
1.5.3 Memory Card Slots ..................................................................................... 29
1.6 Control Panel ....................................................................................................... 30
1.6.1 Operation Buttons & LEDs ........................................................................ 30
1.6.2 Control Panel Functions in Each Mode ...................................................... 33
1.6.2.1 Control Panel Functions for NX510 series.......................................... 33
1.6.2.2 Control Panel Functions for SX410 series .......................................... 35
1.6.2.3 Control Panel Functions for SX210 series .......................................... 36
1.7 Specification for Each Function .......................................................................... 37
1.7.1 Stand-alone Copy Function ........................................................................ 37
1.7.1.1 Supported Paper and Copy Mode ........................................................ 37
1.7.1.2 Stand-alone Copy Menu ...................................................................... 37
1.7.1.3 Relation Between Original and Copy.................................................. 38
1.7.1.4 Copy Speed.......................................................................................... 38
1.7.2 Scan Function (NX510/SX210 series only) ............................................... 39
1.7.3 Memory Card Direct Print Function........................................................... 39
1.7.3.1 Supported Paper and Print Mode ........................................................ 39
1.7.3.2 Supported File Type and Media Type ................................................. 40
1.7.3.3 Automatic Detection of Images in Memory Card ............................... 40
1.7.3.4 Specifications for Handling Image Data ............................................. 40
1.7.3.5 Memory Card Direct Print Menu ........................................................ 42
1.7.3.6 Makes Prints from Index Sheet Function ............................................ 42
1.7.3.7 Print Layout ......................................................................................... 43
1.7.4 Camera Direct Print Function (PictBridge)
(NX510/SX410 series only) ...................................................................... 45
1.7.4.1 Available DSC..................................................................................... 45
1.7.4.2 Print Settings Available from DSC ..................................................... 45
1.7.4.3 General Operation Procedure .............................................................. 45
1.7.4.4 Operating Specifications during Connecting DSC.............................. 46
1.7.5 Reprint/Restore Photos Function
(NX510 series only) .................................................................................. 46
1.7.5.1 Supported Paper Type and Print Mode ............................................... 46
1.7.5.2 Reprint/Restore Photos Menu ............................................................. 46
1.7.5.3 How to Place Silver Halide Pictures ................................................... 47
1.7.6 Setup Mode ................................................................................................. 47
Chapter 2 OPERATING PRINCIPLES
2.1 Overview ............................................................................................................. 52
2.1.1 Printer Mechanism...................................................................................... 52
2.1.2 Motors & Sensors ....................................................................................... 53
2.1.3 Printhead ..................................................................................................... 55
2.2 Power-On Sequence ............................................................................................ 56
2.3 Printer Initialization............................................................................................. 58
Epson Stylus NX510/SX410/SX210/NX420/NX220 series Revision B
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Chapter 3 TROUBLESHOOTING
3.1 Overview ............................................................................................................. 60
3.1.1 Specified Tools ........................................................................................... 61
3.1.2 Preliminary Checks ..................................................................................... 61
3.2 Troubleshooting................................................................................................... 62
3.2.1 Motor and Sensor Troubleshooting ............................................................ 62
3.3 Error Indications and Fault Occurrence Causes .................................................. 63
3.3.1 Error Message List ...................................................................................... 63
3.3.2 Troubleshooting by Error Message ............................................................ 66
3.3.3 Superficial Phenomenon-Based Troubleshooting ...................................... 85
3.4 Network Troubleshooting (NX510/NX420 series only) ..................................... 93
Chapter 4 DISASSEMBLY/ASSEMBLY
4.1 Overview ............................................................................................................. 96
4.1.1 Precautions .................................................................................................. 96
4.1.2 Tools ........................................................................................................... 97
4.1.3 Work Completion Check ............................................................................ 97
4.1.4 Procedural Differences between the Models .............................................. 99
4.2 Disassembly Procedures .................................................................................... 101
4.3 Removing the Housing ...................................................................................... 102
4.3.1 Paper Support Assy................................................................................... 102
4.3.2 Stacker Assy ............................................................................................. 102
4.3.3 Document Cover/ASF Cover .................................................................... 103
4.3.4 Scanner Unit/Hinge .................................................................................. 104
4.3.5 Upper Housing/Card Slot Cover ............................................................... 107
4.4 Removing the Circuit Boards ............................................................................ 109
4.4.1 Main Board Unit ....................................................................................... 109
4.4.2 Panel Unit/LCD Unit ................................................................................ 112
4.4.3 Power Supply Unit .................................................................................... 115
4.5 Disassembling the Printer Mechanism .............................................................. 117
4.5.1 Printhead ................................................................................................... 117
4.5.2 CR Scale ................................................................................................... 120
4.5.3 Hopper ...................................................................................................... 121
4.5.4 Removing the Printer Mechanism (Lower Housing)................................ 122
4.5.5 Left Frame ................................................................................................ 123
4.5.6 Front Frame/Right Frame ......................................................................... 124
4.5.7 Star Wheel Holder Assy ........................................................................... 126
4.5.8 EJ Roller ................................................................................................... 127
4.5.9 PF Encoder Sensor.................................................................................... 128
4.5.10 PF Scale .................................................................................................. 129
4.5.11 PF Motor ................................................................................................. 129
4.5.12 CR Motor ................................................................................................ 131
4.5.13 Main Frame Assy.................................................................................... 132
4.5.14 CR Unit ................................................................................................... 135
4.5.15 Upper Paper Guide ................................................................................. 136
4.5.16 ASF Unit ................................................................................................. 136
4.5.17 Ink System Unit ...................................................................................... 138
4.5.18 Front Paper Guide................................................................................... 141
4.5.19 PF Roller ................................................................................................. 142
4.5.20 Waste Ink Pads ....................................................................................... 143
4.6 Disassembling the Scanner Unit........................................................................ 145
4.6.1 Upper/Front Scanner Housing .................................................................. 145
4.6.2 Scanner Carriage Unit .............................................................................. 146
4.6.3 Scanner Motor Unit .................................................................................. 149
4.7 Differences in Disassembling/Reassembling SX410 series .............................. 150
4.7.1 Main Board Unit (SX410 series) .............................................................. 150
4.7.2 Panel Unit/LCD Unit (SX410 series) ....................................................... 152
4.7.3 Printhead (SX410 series) .......................................................................... 154
4.7.4 Removing the Printer Mechanism (Lower Housing) (SX410 series)....... 156
4.8 Differences in Disassembling/Reassembling SX210 series .............................. 158
4.8.1 Main Board Unit (SX210/NX220 series) ................................................. 158
4.8.2 Panel Unit/LCD Unit (SX210 series) ....................................................... 159
4.8.3 Printhead (SX210/NX220 series) ............................................................. 162
4.8.4 Removing the Printer Mechanism (Lower Housing)
(SX210/NX420/NX220 series) ............................................................... 164
Chapter 5 ADJUSTMENT
5.1 Adjustment Items and Overview ....................................................................... 166
5.1.1 Servicing Adjustment Item List ................................................................ 166
5.1.2 Required Adjustments .............................................................................. 169
5.2 Using the Adjustment Program ......................................................................... 171
5.2.1 TOP Margin Adjustment .......................................................................... 171
5.2.2 First Dot Position Adjustment .................................................................. 171
5.2.3 Head Angular Adjustment ........................................................................ 172
5.2.4 Bi-D Adjustment....................................................................................... 173
5.2.5 PF Adjustment .......................................................................................... 174
5.2.6 PF Band Adjustment ................................................................................. 175
Epson Stylus NX510/SX410/SX210/NX420/NX220 series Revision B
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5.2.7 Bottom Margin Adjustment (NX510/SX410 series only) ........................ 176
5.2.8 MAC Address Setting (NX510/NX420 series only) ................................ 177
Chapter 6 MAINTENANCE
6.1 Overview ........................................................................................................... 180
6.1.1 Cleaning .................................................................................................... 180
6.1.2 Service Maintenance ................................................................................. 180
6.1.2.1 Printhead cleaning ............................................................................. 180
6.1.2.2 Maintenance request error ................................................................. 180
6.1.3 Lubrication................................................................................................ 181
Chapter 7 APPENDIX
7.1 Exploded Diagram / Parts List .......................................................................... 187
Chapter 8 Epson Stylus NX420/ NX220 series
8.1 Overview ........................................................................................................... 189
8.2 OPERATING PRINCIPLES ............................................................................. 190
8.2.1 Printhead (NX420 series) ......................................................................... 190
8.2.2 Printhead (NX220 series) ......................................................................... 190
8.2.3 Power-On Sequence.................................................................................. 191
8.3 TROUBLESHOOTING .................................................................................... 193
8.4 DISASSEMBLY/ASSEMBLY ......................................................................... 194
8.4.1 Procedural Differences between the Models ............................................ 194
8.4.2 Disassembly Procedures ........................................................................... 195
8.4.3 Removing the Housing ............................................................................. 196
8.4.3.1 Scanner Unit/Hinge (NX420/NX220 series) ..................................... 196
8.4.4 Removing the Circuit Boards ................................................................... 199
8.4.4.1 Main Board Unit (NX420 series) ...................................................... 199
8.4.4.2 Panel Unit/LCD Unit (NX420/NX220 series) .................................. 203
8.4.4.3 Power Supply Unit (NX420 series) ................................................... 206
8.4.5 Disassembling the Printer Mechanism ..................................................... 206
8.4.5.1 Printhead (NX420 series) .................................................................. 206
Confidential
CHAPTER
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PRODUCT DESCRIPTION
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Print one or all pages of your manual
$36.99
Are you experiencing issues with your Epson Printer? Why spend money on repairs when you can easily do it yourself? This comprehensive service and repair manual is utilized by certified Epson technicians and is equally beneficial for professional mechanics and DIY enthusiasts.
- Learn about safety precautions, product specifications, disassembly and reassembly, adjustments, maintenance, troubleshooting, system diagrams, and replacement parts list.
- The manual is highly detailed, featuring illustrations, pictures, and step-by-step instructions for effective repair and servicing.
- It is the official service and repair manual, ensuring the highest resolution and quality for printed pages.
- Gain instant access without any shipping fees, allowing you to commence repairs promptly.
Specifications:
- Language: English
- Format: PDF
- Pages: 206
- Platform: Windows & MAC
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