Table of Contents
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SERVICE MANUAL
Color Inkjet Printer
Epson Stylus TX235/Epson Stylus SX230/Epson ME OFFICE 535
Epson Stylus NX230/Epson Stylus TX230W/Epson Stylus TX235W/
Epson Stylus SX235W/Epson Stylus NX330/Epson Stylus TX430W/
Epson Stylus SX430W/Epson Stylus SX435W/Epson ME OFFICE 570W
Epson Stylus NX430/Epson Stylus TX435W/Epson Stylus SX440W/
Epson Stylus SX445W
CONFIDENTIAL
SEMF10-011
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Table of Contents
Troubleshooting
Related Manuals for Epson Stylus TX235
Summary of Contents for Epson Stylus TX235
- Page 1 SERVICE MANUAL Color Inkjet Printer Epson Stylus TX235/Epson Stylus SX230/Epson ME OFFICE 535 Epson Stylus NX230/Epson Stylus TX230W/Epson Stylus TX235W/ Epson Stylus SX235W/Epson Stylus NX330/Epson Stylus TX430W/ Epson Stylus SX430W/Epson Stylus SX435W/Epson ME OFFICE 570W Epson Stylus NX430/Epson Stylus TX435W/Epson Stylus SX440W/...
- Page 2 SEIKO EPSON would greatly appreciate being informed of them. The contents of this manual are subject to change without notice. The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof.
- Page 3 Strictly observe the following cautions. Failure to comply may lead to personal injury or damage of the product. 1. Repairs on Epson product should be performed only by an Epson certified repair technician. 2. No work should be performed on this product by persons unfamiliar with basic safety knowledge required for electrician.
- Page 4 7. In order to protect sensitive microprocessors and circuitry, use static discharge equipment, such as anti-static wrist straps, when accessing internal components. 8. Do not tilt this product immediately after initial ink charge, especially after performing the ink charge several times.
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Page 5: Chapter 1 Troubleshooting
About This Manual This manual, consists of the following chapters, is intended for repair service personnel and includes information necessary for properly performing maintenance and servicing the product. CHAPTER 1. TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 2. DISASSEMBLY / REASSEMBLY Describes the disassembly/reassembly procedures for main parts/units of the product, and provides the standard operation time for servicing the product. - Page 6 Revision Status Revision Date of Issue Description April 22, 2011 First Release June 22, 2011 Revised Contents Preface " Safety Precautions (p3)" has been added. Chapter 1 Made change in "1.1.1 Troubleshooting Workflow (p10)". Made change in "1.3.1 Displaying the Fatal Error Code (p14)".
- Page 7 Revision Date of Issue Description June 22, 2011 Chapter 4 "4.2 Lubrication Points and Instructions (p54)" ASP supply status and lubrication status when supplied as ASP has been added for all lubrication points. "4-3 Lubrication of the Frame Base (3) (p54)" has been added.
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Page 8: Table Of Contents
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Contents Chapter 1 Troubleshooting 1.1 Troubleshooting............................... 10 1.1.1 Troubleshooting Workflow ..........................10 1.2 Power-On Sequence ..............................12 1.3 Fatal Error Code List............................... 14 1.3.1 Displaying the Fatal Error Code........................14 1.3.2 Printer Fatal Error Code .......................... - Page 9 CHAPTER 1 TROUBLESHOOTING Confidential...
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Page 10: Troubleshooting
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 1.1 Troubleshooting This section describes the troubleshooting workflow and fatal error information. In this chapter, the product names are called as follows: SX230 series: Epson Stylus TX235/Epson Stylus SX230/Epson ME OFFICE 535... - Page 11 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Start Major problem with error message Turn on the power Fatal error Maintenance error Ink End error Ink Cartridge error No Ink Cartridge error Paper Jam Fatal error...
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Page 12: Power-On Sequence
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 1.2 Power-On Sequence This section describes the power-on sequences in two conditions. The preconditions are as follows. Condition 1: Normal power-on sequence (See Table 1-1.) Turning on the printer after turning it off without an error. - Page 13 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Condition 2: Power-on sequence after recovering from a paper jam error (See Table 1-2.) Turning on the printer after turning it off with a paper jam fatal error.
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Page 14: Fatal Error Code List
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 1.3 Fatal Error Code List This section describes how to check the fatal error code, description, and the possible causes. 1.3.1 Displaying the Fatal Error Code The fatal error code is stored in the EEPROM on the Main Board and can be read out using the Adjustment Program. -
Page 15: Printer Fatal Error Code
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 1.3.2 Printer Fatal Error Code This section describes the printer fatal error code and the possible cause for this product. Table 1-3. Fatal Error List (Printer) - Page 16 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • PF Encoder failure (contaminated/detached scale, Encoder Sensor failure) • Tooth skip of the PF Timing Belt •...
- Page 17 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Foreign object • Deformation of the Main Frame Sequence Insoluble paper jam error error •...
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Page 18: Scanner Fatal Error Code
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 1.3.3 Scanner Fatal Error Code This section describes the scanner fatal error code and the possible cause for this product. Table 1-4. Fatal Error List (Scanner) -
Page 19: Chapter 2 Disassembly/Reassembly
CHAPTER 2 DISASSEMBLY/REASSEMBLY Confidential... -
Page 20: Overview
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.1 Overview In this chapter, the product names are called as follows: SX230 series: Epson Stylus TX235/Epson Stylus SX230/Epson ME OFFICE 535 SX235W series: Epson Stylus NX230/Epson Stylus TX235W/Epson Stylus SX235W/... -
Page 21: Locations Of The Parts/Units
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.1.3 Locations of the Parts/Units This section shows the locations of the main parts/units of SX230 series, SX235W series, SX430W series and SX440W series. The parts/units which can not be seen in the following pictures are indicated in dotted lines... - Page 22 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Printer mechanism Name Name CR Driven Pulley (p28) CR Unit (p30) CR Scale (p28) PF Roller Unit (p30) CR Timing Belt (p30) Star Wheel Holder Assy (p27)
- Page 23 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Name Name Wireless LAN Module (p27) PF Scale (p29) (SX235W series / SX430W series / SX440W series only) EJ Roller (p27) PF Encoder Sensor (p29)
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Page 24: Standard Operation Time For Servicing The Product
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.1.4 Standard Operation Time for Servicing the Product The following are the standard operation time for servicing the product. This standard operation time was determined with the MTTR result measured using the prototype of SX430W series which have the most functions. - Page 25 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 2-1. Standard Operation Time Time (mm:ss) Parts/Unit Adjustment/ Replacement Total inspection EJ Roller Gear 2:45 2:45 EJ Roller 3:27 4:10 7:37 Hinge 1:49 1:49...
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Page 26: Disassembly/Reassembly Procedures
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.2 Disassembly/Reassembly Procedures This section describes procedures for disassembling the parts/units in a flowchart format. For some parts/units, detailed procedures or precautions are provided (accordingly indicated by icons and cell's color). Refer to the explanations in the example chart below and perform an appropriate disassembling and assembling procedure. -
Page 27: Disassembly Flowchart
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.2.1 Disassembly Flowchart START Paper Support Star Wheel Paper Guide Waste Ink Pad FFC Cover Outer Document Mat Housing Rear Tray Front Assy Document Cover... - Page 28 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B (p 27) FFC/Cable* 1 FFC/Cable* 1 FFC/Cable* 1 Extension Spring CR Timing Belt PF Encoder Paper Support Sensor (p29) LD Roller Cover Assy (p27) Panel Unit...
- Page 29 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B (p 27) (p 27) (p 28) PF Encoder FFC Panel FFC* 7 Scanner Housing Panel Housing Upper Lower Assy PF Encoder FFC Holder MB Sensor...
- Page 30 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B (p 28) (p 28) Cap Assy (p27) Shield Plate Pump Tube (p28) Pump Unit Main Board CR Motor (p28) Antistatic Cloth (p28) PE Sensor Lever...
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Page 31: Disassembly Flowchart (Printhead/Main Board)
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.2.2 Disassembly Flowchart (Printhead/Main Board) Printhead Main Board START START FFC/Cable* 11 FFC Cover Outer Housing Rear Housing Right Shield Plate (p 32) (p 32) -
Page 32: Detailed Disassembly/Reassembly Procedure For Each Part/Unit
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit Document Mat Scanner Housing Upper Housing Rear Document Cover Step 2 Scanner Housing Upper Section B Document Mat... - Page 33 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Panel Unit Panel Housing Lower Assy (SX230 series/SX430W series) Frame Base (left) Frame Base (right) Inside Panel Unit Back Panel Housing Lower Assy Panel Unit...
- Page 34 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Panel Buttons (SX230 series/SX430W series) Main Board Paper Guide Front Unit Panel Board w/Touch Panel (SX440W series) Position of MAC Address Label MAC Address Label...
- Page 35 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Paper Guide Front Porous Pad Star Wheel Holder Assy Paper Guide Lower Porous Pad Front Back Paper Guide Front Unit Paper Guide Lower Porous Pad...
- Page 36 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Printhead Main Frame Assy Align the screw holes of Main Frame and PF Motor Frame. CR Unit (ink cartridge exchange position) Main Frame Bottom of CR Unit...
- Page 37 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B FFC Cover Outer/FFC Cover Inner Panel Housing Upper Assy (SX230 series/SX430W series) PF Grounding Spring Wireless LAN Module (SX235W series/SX430W series/SX440W series) Left side of CR Unit...
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Page 38: Routing Ffcs/Cables
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 2.4 Routing FFCs/cables Main Board Inside the Panel Unit (SX230 series/SX235W series/SX430W series) Left side of Main Board CN11 FFC Holder MB Panel Board SX230 series/SX430W series... - Page 39 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Card Slot Board (SX230 series/SX430W series/SX440W series) Head FFC (1) Main Board Aligning Head FFC with CSIC FFC Head FFC Card Slot Board Fold here inside FFC Holder...
- Page 40 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Scanner Motor Scanner FFC Grounding wire Scanner Motor Bottom of Scanner Carriage Scanner Carriage Connector of Relay Board Scanner Motor cable Relay Board Screw it with...
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Page 41: Chapter 3 Adjustment
CHAPTER 3 ADJUSTMENT Confidential... -
Page 42: Required Adjustments
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 3.1 Required Adjustments The table from the following page lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out. - Page 43 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 3-1. Required Adjustment List Adjustment Type Mechanism adjustment Adjustment using the Adjustment Program Priority First dot CR motor heat PF motor heat Scanner motor...
- Page 44 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 3-1. Required Adjustment List Adjustment Type Mechanism adjustment Adjustment using the Adjustment Program Priority First dot CR motor heat PF motor heat Scanner motor...
- Page 45 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 3-1. Required Adjustment List Adjustment Type Mechanism adjustment Adjustment using the Adjustment Program Priority First dot CR motor heat PF motor heat Scanner motor...
- Page 46 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Table 3-1. Required Adjustment List Adjustment Type Mechanism adjustment Adjustment using the Adjustment Program Priority First dot CR motor heat PF motor heat Scanner motor...
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Page 47: Adjustment Program
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 3.2 Adjustment Program This section provides the operating environment, functions related to safety and privacy policy, and the adjustment item newly added of the Adjustment Program. See "3.1 Required Adjustments (p42)"... -
Page 48: Scanner Motor Heat Protection Control
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 3.2.3 Scanner Motor Heat Protection Control Purpose To measure the manufacturing variation of the DC motor (Scanner) to determine the correction value used for estimating the current value of the motor. -
Page 49: Mechanism Adjustment / Check
(including using the Epson-specified jigs) according to this manual. If the PG cannot fall within the standard range after performing the platen gap check described in this section, first check if the unit is correctly reassembled following the instructions in this manual. -
Page 50: Cr/Pf Belt Tension Check
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 3.3.2 CR/PF Belt Tension Check This section describes the CR/PF Belt tension check. This printer is designed so that the each tension of the CR Timing Belt and PF Timing Belt fall within the expected range if you correctly reassemble the unit according to this manual. - Page 51 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B Checking the PF Timing Belt Tension Perform the PF Belt tension check before installing the PF Scale and the PF Encoder Sensor. 1. Set the following parameters to the sonic tension meter: Weight: 1.0 kg/m...
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Page 52: Chapter 4 Maintenance
CHAPTER 4 MAINTENANCE Confidential... -
Page 53: Overview
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 4.1 Overview This section provides information to maintain the printer in its optimum condition. 4.1.1 Cleaning Except for the Printhead, there are no other mechanical parts or units that require periodic cleaning. However, if need arises, clean the component observing the following instructions. -
Page 54: Lubrication Points And Instructions
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 4.2 Lubrication Points and Instructions <Part supply as ASP> <Part supply as ASP> None None Rear left Rear right <Lubrication status when <Lubrication status when supplied as ASP>... - Page 55 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B <Part supply as ASP> <Part supply as ASP> <Part supply as ASP> <Part supply as ASP> Frame Base None <Lubrication status when <Lubrication status when <Lubrication status when...
- Page 56 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B <Part supply as ASP> <Part supply as ASP> Cross-section of section A None Supplied as the Scanner Main Frame Assy Unit <Lubrication status when supplied as ASP>...
- Page 57 Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B <Part supply as ASP> <Part supply as ASP> Supplied as the Scanner Supplied as the Panel Unit Enlarged figure Apply on the center of inner Unit <Lubrication status when...
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Page 58: Chapter 5 Refurbishment
CHAPTER 5 REFURBISHMENT Confidential... -
Page 59: Overview
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 5.1 Overview This chapter provides the refurbishing work of the printer and its purpose. 5.1.1 Ink Discharge Purpose To clean the ink path inside the Printhead to restore its condition identical to the factory default. -
Page 60: Chapter 6 Appendix
CHAPTER 6 APPENDIX Confidential... -
Page 61: Connector Diagram
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 6.1 Connector Diagram In this chapter, the product names are called as follows: SX230 series: Epson Stylus TX235/Epson Stylus SX230/Epson ME OFFICE 535 SX235W series: Epson Stylus NX230/Epson Stylus TX235W/Epson Stylus SX235W/... -
Page 62: Protection For Transportation
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 6.2 Protection for Transportation This section describes the cautions for packing the printer before returning it to the user. 6.2.1 Securing the CR Unit Purpose To prevent damaging the Change Lever by shock during transportation. -
Page 63: Securing The Paper Support Assy
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B 6.2.2 Securing the Paper Support Assy Purpose To prevent damaging the Paper Support Assy by the shock during transportation. Risks if it is not performed The Paper Support Assy will be scratched and the abrasion powder will be produced due to the shock during transportation.