Epson Stylus Color 640 Specifications

EPSON Stylus Color 440/640/740Color ink jet printer 4009667®   

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 10Table 1-1. Consumables Available for Stylus Color 440/640/740Items Codes Rem

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1004.1 OverviewThis chapter describes procedures for disassembling the ma

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1014.1.2 ToolsTable 4-1 lists the tools recommended for disassembling, as

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1024.1.3 Specification for ScrewsTable 4-2 shows screw specifications. Du

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1034.1.4 Service Checks After RepairBefore returning the printer after se

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1044.2 Disassembly ProceduresThe flowchart below shows procedures for dis

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1054.2.1 Removing the HousingSince the printer mechanism itself structure

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1064.2.2 Removing the Board AssemblySince the main board and power supply

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 107Figure 4-3. Removing the M/B Shield PlateFigure 4-4. Removing the Boa

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1084.2.3 Removing the Operation PanelThe panel board equipped with each p

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1094.2.4 Disassembling the Printer MechanismSince Stylus Color 440/640/74

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 111.2 SpecificationsThis section describes each specification for Stylus Color

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 110Figure 4-6. Removing the Print HeadFastener H eadPrinthead U nitFFCN o

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 111Figure 4-7. Installing the PrintheadPrint HeadCarriage AssemblyMake su

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1124.2.4.2 Removing the Absorber Tray Assembly ;A1. Remove the housing. (

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1134.2.4.3 Removing the Pump Assembly and Cap Assembly1. Remove the housi

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 114Figure 4-9. Removing the Cap and Pump AssembliesLoosen screws on the r

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 115Figure 4-10. Component of Pump AssemblyHead CleanerOrder of assembling

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1164.2.4.4 Removing the CR Motor Assembly1. Remove the housing. (Refer to

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1174.2.4.5 Removing the PF Motor Assembly[For Stylus Color 740]1. Remove

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 118[For Stylus Color 440, 640]1. Remove the housing. (Refer to Section 4.2

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1194.2.4.6 Removing the ASF Assembly1. Remove the housing. (Refer to Sect

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 12Figure 1-1. Nozzle Configuration for Stylus Color 440Figure 1-2. Nozzle Con

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1204.2.4.6.1 Removing the Paper Feed Roller Assembly1. Remove the ASF ass

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 121Figure 4-16. Disassembly of ASF AssemblyH opper A ssem blyASF Fram eR

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1224.2.4.6.2 Removing the Right and Left LD Roller Assembly1. Disassemble

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1234.2.4.7 Removing the Carriage Assembly1. Remove the housing. (Refer to

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 124Figure 4-19. Removing the Carriage AssemblyPG Support LeverRight Para

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1254.2.4.8 Removing the PF Roller Assembly1. Remove the housing.(Refer to

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 126Figure 4-21. Removing the Paper Eject Roller AssemblyFigure 4-22. Rem

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1274.2.4.9 Removing the PE Paper Detector Assembly1. Remove the housing.

EPSON Stylus Color 440/640/740 Revision AChapter 4 Disassembly and Assembly 1284.2.4.10 Removing the HP Detector1. Remove the housing. (Refer to Sect

ADJUSTMENT

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 13Figure 1-3. Nozzle Configuration for Stylus Color 740Feeding methodFriction

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1305.1 OverviewThis chapter describes adjustments required when the printer is disassem

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1315.1.2 Adjustment Tools Required Table 5-3 below shows adjustment tools for Stylus Co

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1325.2 AdjustmentThis section explains specific procedures for each adjustment required

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 133[Fixing Parallelism Adjustment Bushing]13.Fix the right and left parallelism adjustme

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1345.2.2 Adjustment by Adjustment ProgramIn this printer, it is necessary to set the co

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 135Figure 5-5. Options in the Program and Keys to UseMain menuMaintenanceAdjustmentMarke

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1365.2.2.2 Entering the Main menu Before performing any adjustment, you need to enter t

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1375.After a few seconds, the model name appears on the screen shown below. Proceed to o

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1385.2.2.2.1 Registering the printer model name1.If no model name is registered, the sc

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1395.2.2.2.2 Setting the CG (Destination information) (For Stylus Color 740 only)Since

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 14Paper holding capacity of HopperSize: Index card ∼LegalThickness: Less than 8

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1405.2.2.3 Initial Ink Charge Operation There is no ink charged in the ink path of a sp

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1415.2.2.4 Head Cleaning OperationDifferent from the previous models, Stylus Color 440,

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1425.2.2.5 Protection Counter Indicate/ResetThe program provided with this manual can l

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 143[Clearing the current protection counter value]1.Enter the main menu. (Refer to Secti

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1445.2.2.6 Market/Destination Check (only for Stylus Color 740)As already mentioned, th

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1454.Press the Enter key, and the screen below appears. The terms World and Standard sho

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1465.2.2.7 Head Voltage ID InputHead voltage value adjustment function enables you to w

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1476.When you input the head ID value, the screen automatically advances consequently, a

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1485.2.2.8 Head Angular AdjustmentDuring production, slight variations are created in p

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 149Figure 5-28. Sample of Head Angular Adjustment Pattern5.Loosen the printhead securing

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 151.2.2 Paper SpecificationThis section describes the printable area and types

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1507.After changing the position of the adjust lever, select Head angular adjustment pat

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 1515.2.2.9 Bi-D AdjustmentYou perform this adjustment to correct differences in printin

EPSON Stylus Color 440/640/740 Revision AChapter 5 Adjustment 152Figure 5-34. Bi-D ADjustment Pattern Sample6.By using the Up/Down key, select Adjust

MAINTENANCE

EPSON Stylus Color 440/640/740 Revision AChapter 6 Maintenance 1546.1 OverviewThis section describes the points and the procedures for maintaining th

EPSON Stylus Color 440/640/740 Revision AChapter 6 Maintenance 1556.1.3 LubricationThe type and amount of oil and grease used to lubricated the print

EPSON Stylus Color 440/640/740 Revision AChapter 6 Maintenance 1565 <Lubrication Point>The shaft for “GEAR, 16, 40.8” on “FRAME, LEFT”Use a syri

EPSON Stylus Color 440/640/740 Revision AChapter 6 Maintenance 157W ARNINGNever apply oil to the CR guide shaft directly. This may cause fatal damage

EPSON Stylus Color 440/640/740 Revision AChapter 6 Maintenance 158No.3No.11"GEAR, 34"No.5No.4No.4No.4"G E A R , 2 3 .2 ""G E

EPSON Stylus Color 440/640/740 Revision AChapter 6 Maintenance 159No.6No.7No.8"HOLDER, PULLEY, DRIVEN"No.9No.10"HO PPER, ASSEM BLY"

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 161.2.2.4 Index Card[Size]A6 Index card: Width 105mm (4.1”) x Length 148mm (5

APPENDIX

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 161A.1 Connector SummaryThis section gives information on connectors and their pin assign

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 162A.1.1 Connector Summary (Stylus Color 440/640)This section provides information on con

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 163A.1.1.1 Connector Pin Assignment (Stylus Color 440 and Stylus Color 640)

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 164Table A-5. Connector CN6Pin Signal Name I/O Function1 CRA Out Phase drive signal (A)2 C

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 165Table A-8. Connector CN8 (C256MAIN)Pin Signal Name I/O Function1 BCO In Black ink cartr

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 166A.1.2 Connector Summary for Stylus Color 740This section contains information on conne

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 167A.1.2.1 Connector Pin Assignment (Stylus Color 740)Tables in this section provide conne

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 168Table A-17. Connector CN9 Pin Signal Name I/O Function1 BCO In Black ink cartridge dete

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 169A.2 EEPROM Address MapThis section contains EEPROM map for Stylus Color 440/640 and St

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 171.2.3 Printing Area[Cut Sheet]See Figure 1-4 in the right column and the tab

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 170Table A-20. Stylus Color 440/640 EEPROM Address MapAddress Explanation SettingQPITSetti

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 171Table A-22. Stylus Color 440/640 EEPROM Address Map (Continued)Address Explanation Sett

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 172Table A-24.Stylus Color 440/640 EEPROM Address Map (Continued)Address Explanation Setti

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 173Notes:**: Change model name of IEEE1284 device ID*1.Adjusted at factory.*2.Initialized

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 174A.2.2 EEPROM Address Map (Stylus Color 740)This section provides EEPROM address map fo

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 175Table A-30. Stylus Color 740 EEPROM Address Map (Coutinued)Address Explanation SettingQ

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 176Table A-32. Stylus Color 740 EEPROM Address Map (Coutinued)Address Explanation SettingQ

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 177Table A-34. Stylus Color 740 EEPROM Address Map (Coutinued)Address Explanation SettingQ

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 178A.3 Circuit Board Component LayoutsThis section is composed of the following component

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 179Figure A-3. C206MAIN-B Board Component Layout (1/2) (Stylus Color 440)

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 18Table 1-4. Raster Graphics Mode (for 3 models)Paper Size PW PL LM RM TM BM/m

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 180.Figure A-4. C206MAIN-B Board Component Layout (2/2) (Stylus Color 440)

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 181Figure A-5. C256MAIN Board Component Layout (1/2) (Stylus Color 640)

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 182Figure A-6. C256MAIN Board Component Layout (2/2) (Stylus Color 640)

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 183Figure A-7. C257MAIN Board Component Layout (1/2) (Stylus Color 740)

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 184Figure A-8. C257MAIN Board Component Layout (2/2) (Stylus Color 740)

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 185Figure A-9. C206PSB Board Component Layout (Stylus Color 440/640)Figure A-10. C206PSE B

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 186Figure A-11. C257 PSB Board Component Layout (Stylus Color 740)Figure A-12.C257 PSE Boa

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 187Figure A-13. C206PNL Component LayoutFigure A-14. C209PNL Component Layout

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 188A.4 Exploded DiagramsThis section contains the following exploded diagrams.Exploded di

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 189100124101115126751752752119753500126125125105450107104122122106124180182 for LATIN12412

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 19[Envelope]Table 1-6 and Figure 1-5 show the printable area for envelopes.Tabl

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 190BBCACAD58650150258750375058750472572473273473373172474574674674274172072972373673773873

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 191D527524523527521545548551545548(506)546553552554555507759706700705702560119576587765509

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 192REV.1.0 10002103400123400 for EAI400 for ETT10012410111512675175275211975350012

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 193BBCACAD58650150258750375058750472572473273473373172474574674674274172072972373673773873

EPSON Stylus Color 440/640/740 Revision AChapter 7 Appendix 194D527524523527521545548551545548(506)546553552554555507759706700705702560119576587765509

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 195103400123400 for EAI400 for ETT10012410110211512675175276676675211975350012612512512510

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 196BBCACAD50150259258750375058750472572473273473373172474574674674274172072972373673773873

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 197D527524523527521545548551545548(506)546553552554555507759183184706700705702560595596600

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 198A.5 Part List A.5.1 Part List for Stylus Color 440/640Table A-36. Part List for Styl

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 199Table A-38. Part List for Stylus Color 440/640 (3/4)Part Name578 Push Nut, 2 724 Roller

Notice:All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electr

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 201.2.4 Ink Cartridge Specifications [Black Ink Cartridge]Figure 1-6. Black I

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 200A.5.2 Part List for Stylus Color 740Table A-40. Part List for Stylus Color 740 (1/4)1

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 201Table A-42. Part List for Stylus Color 740 (3/4)586 CBS-Tite Screw 719 Holder, Edge Gui

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 202A.6 Circuit DiagramsSee the following pages for the circuit diagrams below. NOTE: For

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 203C206MAIN-B Circuit diagrams 1of 2See the hard copy.

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 204C206MAIN-B Circuit diagrams 2 of 2See the hard copy.

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 208C206PSB 1/1

EPSON Stylus Color 440/640/740 Revision BChapter 7 Appendix 209C206PSE 1/1

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 21[Color Ink Cartridge]Figure 1-7. Color Ink CartridgeTable 1-9. Color I/C S

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 221.2.5 Environmental ConditionTemperatureOperating :10 to 35 °C (Refer to Fig

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 231.2.6 Electric Specification[120V version][Rated voltage] AC120V[Input volta

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 241.2.9 Acoustic NoiseStylus Color 440: Approximately 45 dBStylus Color 640,74

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 251.3 InterfaceThis printer provides parallel interface as standard.1.3.1 Par

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 26Table 1-10. Parallel I/F Forward ChannelPin No.Signal NameReturn GND PinIn/O

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 271.3.2 Parallel Interface (Reverse Channel)[Transmission mode]IEEE-1284 nibbl

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 28Table 1-12. Parallel I/F Reverse ChannelPin No. Signal NameReturn GND PinIn/

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 29The following are the points to note when using the parallel Interface.NOTE 1

PRECAUTIONSPrecautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment.DANGERSignals a precau

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 30Table 1-14. Typical Tack TimingTable 1-15. Signal level for TTL (IEEE-1284

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 311.3.3 Serial Interface (for Stylus Color 640, 740)[Standard] Based on RS-423

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 321.4 Control PanelSince Stylus Color 440, 640, 740 does not require many butt

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 331.4.2 Panel FunctionsRefer to Table 1-19 to Table 1-21.Table 1-19. Panel Fu

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 341.4.3 Printer Condition and Panel StatusTable 1-22 shows printer condition a

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 351.5 Error StatusWhen following status occur, the printer goes to the error s

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 361.5.4 No Ink-CartridgeFollowing reasons can be the causes when printer goes

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 371.6 Printer InitializationStylus Color 440, 640, 740 have three kinds of ini

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 381.8 Main ComponentsStylus Color 440, 640, 740 have following major units. Al

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 391.8.2 C206 Main-B Board (Stylus Color 440)C206 Main-B board controls Stylus

PREFACEThis manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of Stylus Color 440/64

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 401.8.4 C257 Main Board (Stylus Color 740)C257 Main board controls Stylus Colo

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 411.8.6 C206 PNL Board (Stylus Color 440, 640)Panel board (C206 PNL board) is

OPERATING PRINCIPLES

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 432.1 OverviewThis section describes the operating principles of the printer

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 442.1.1 Printer MechanismLike previous EPSON Ink Jet printers such as Stylus

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 452.1.1.1 Printing MechanismBasic principles of the print head which plays ma

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 462.1.1.2 Printing ProcessFollowing figures show the sectional drawings of no

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 472.1.1.3 Carriage MechanismCarriage mechanism is to drive the carriage with

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 48See Figure 2-6 which shows the carriage mechanism. Figure 2-6. Carriage Mec

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 492.1.1.3.1 Platen Gap Adjust Mechanism and Parallel adjustment

REVISION STATUSRev. Date Page(s) ContentsA 1998/07/15 All First ReleaseB 1998/09/30 Page 188Pages 195 to 212The exploded diagrams and part list for t

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 50Papers on the ASF (auto-sheet-feeder) supplied by the user are carried to th

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 51[2. Paper pick up mechanism] When the Load/Eject switch is pressed or printi

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 522.1.1.5 Ink SystemInk system mechanism consists of 1)cap mechanism, 2)pump

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 532.1.1.6 Pump, Carriage Lock, Head Cleaner MechanismIn the Stylus Color 440/

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 54The table below shows PF/Pump motor rotational direction and pump system ope

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 552.1.1.6.1 Cap MechanismIn the cap mechanism, in order to prevent ink from b

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 562.2 Electrical Circuit Operating PrinciplesStylus Color 440/640/740 contain

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 572.2.1 C206 PSB/PSE and C257 PSB/PSE Power Supply Board (for Stylus Color 44

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 581) Regardless of the state of power switch (On or OFF), the voltage is alway

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 59When the power is turned on, Q1 repeats ON/OFF automatically along with the

Product DescriptionFeatures ... 9Specifications ...

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 602.2.2 C206 Main-B, C255 Main (for Stylus Color 440)Various DC voltage gener

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 61[CPU]The 16-bit CPU which is mounted on Stylus Color 440 is running at 25Mhz

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 622.2.3 C256 Main (for Stylus Color 640)Various DC voltage generated on the C

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 63[CPU]The 16-bit CPU which is mounted on Stylus Color 640 is running at 25Mhz

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 642.2.4 C257 Main, (for Stylus Color 740)Various DC voltage generated on the

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 65[CPU]The 16-bit CPU which is mounted on Stylus Color 740 is running at 24Mhz

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 662.2.4.1 Reset Circuits[C206 Main-B, C255 Main for Stylus Color 440]The rese

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 67[C256 Main for Stylus Color 640]The reset circuit prevents the CPU from runn

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 68[C257 Main for Stylus Color 640]The reset circuit prevents the CPU from runn

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 69The following three figures show the sensor circuits. Out of the data such a

Disassembly Procedures... 104Removing the Housing...

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 702.2.4.3 EEPROM Control CircuitsThe EEPROM of Stylus Color 440/640/740 has f

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 712.2.4.4 Timer CircuitA lithium battery is mounted on the main board and cal

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 722.2.4.5 DRAM ControlIn the Dynamic RAM control, output and formation of CAS

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 73Figure 2-32. Head Drive Circuit for Stylus Color 440H8D2813(IC6)XOVM CTB

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 74Figure 2-33. Head Driver Circuit for Stylus Color 640H8D2813(IC7)XOVM CTB

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 75Figure 2-34. Head Drive Circuit for Stylus Color 740[Common drive circuit]

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 762.2.4.7 PF (Pump) Motor Drive CircuitIC15(LB1845) on C206 Main-B, C255 Main

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 77Figure 2-37. PF (Pump) Motor Drive Circuit for Stylus Color 740+5M6252(IC16

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 782.2.4.8 CR Motor Drive CircuitIC14(LB1845) on C206 Main-B, C255 Main board,

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 79Figure 2-39. Carriage Motor Drive Circuit for Stylus Color 640E05B43 (IC2

PRODUCT DESCRIPTION

EPSON Stylus Color 440/640/740 Revision AChapter 2 Operating Principles 80Figure 2-40. Carriage Motor Drive Circuit for Stylus Color 740M6252(IC15)-+

TROUBLESHOOTING

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 823.1 TroubleshootingThe printer may exhibit different symptoms for the same probl

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 83Table 3-2. Sensor CheckSensor Name Location Signal Level Sensor StatusPaper End

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 84Table 3-3. Printer Condition and Panel StatusError StatusIndicatorsRecoveryPower

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 853.2 Unit Level TroubleshootingWhen a problem occurs, you can identify the defect

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 863.2.2 Error is detectedFlowchart 23.2.3 Failure occurs during printingFlowchart

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 873.2.4 Printer does not feed paper correctly.Flowchart 43.2.5 Control panel oper

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 883.3 Unit Repair of Power Supply BoardNote:The power supply board equipped with e

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 89Table 3-5. Repair of the C206/C257 PSB/PSE BoardSymptom Condition Cause Checkpoi

EPSON Stylus Color 440/640/740 Revision AChapter 1 Product Description 91.1 FEATURESEPSON Stylus Color 440/640/740 are designed for PC users at home

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 90(Continued)The printer does not operate at all.+5V line is dead. IC51 (L4962E/FA3

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 913.4 Unit Repair of the Main BoardNote:The Main board equipped with each printer

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 92Table 3-6. Unit Repair of Main BoardSymptoms Condition Cause Check Point Soluti

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 93(Continued)The printer does not operate at all.(Continued)CPU does not operate.(C

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 94(Continued)The carriage does not operate normally.(Continued)Carriage motor does

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 95Paper feed operation is abnormal.Paper feed motor does not work.IC2 is dead.Stylu

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 963.5 Repair of the Printer MechanismThis section provides instruction for repairi

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 97Abnormal printing Only a particular dot causes abnormal printing.Print head surfa

EPSON Stylus Color 440/640/740 Revision AChapter 3 Troubleshooting 98Abnormal paper feeding.Paper is not fed. Friction of the PF roller. Check if the

DISASSEMBLY AND ASSEMBLY