Epson Stylus Color 660 Service Manual Page 1

EPSON EPSON Stylus COLOR 670Color Inkjet PrinterSEIJ99016®SERVICE MANUAL

CHAPTER1PRODUCT DESCRIPTION

EPSON Stylus COLOR 670 Revision AAdjustment Overview 1005.1 OverviewThis section describes the procedure for adjustments required when the printer is

EPSON Stylus COLOR 670 Revision AAdjustment Adjustment 1015.2 AdjustmentThis section describes the detailed procedures of each adjustment.5.2.1 PG A

EPSON Stylus COLOR 670 Revision AAdjustment Adjustment 1026. Adjust until the thickness gauge stars moving with the carriage. From the point where the

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1035.3 Using the Adjustment ProgramIn this printer, it is necessary to set t

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1045.3.3 Adjustment Program Initial Setting ScreenYou have to input the foll

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 105Figure 5-4. EPSON Stylus COLOR 670 Service Program Main WindowClick a men

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1065.3.4 Check This Model NameClick the “Check this model name” radio button

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1075.3.5 Head ID InputThis program adjusts the driving characteristics of th

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1083. Click OK in the screen below. The current head ID stored in EEPROM appe

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1095.3.6 Head Angular AdjustmentDuring production, slight variations are cre

EPSON Stylus Color 670 Revision AProduct Description Overview 111.1 OverviewThe EPSON Stylus COLOR 670 is a color ink jet printer based on the EPSON

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 110Figure 5-10. Move the carriage to adjust the head angle4. At the head ang

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1115. Look very closely at the black/magenta lines in the printed pattern and

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1125.3.7 Bi-D AdjustmentThis adjustment is to correct differences in printin

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1132. Click OK in the next screen to print the patterns.Look at the printed p

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1145. Click OK and the following screen appears.Figure 5-17. Bi-d Adjustment

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1155.3.8 USB ID InputPerform this adjustment when the MAIN board is replaced

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 116Figure 5-21. Actual Input Screen3. Check the serial number on the back of

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1175.3.9 Head CleaningThis item is selected from the maintenance menu. Head

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1185.3.10 Initial Ink ChargeThere is no ink charged in the ink path of a spa

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1195.3.11 Protection Counter Indication / ResetThis function is to check the

EPSON Stylus Color 670 Revision AProduct Description Basic Specifications 121.2 Basic Specifications1.2.1 Printing SpecificationsPRINTING METHODoOn

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 120.Figure 5-27. Current Counter Value Indication7. In the screen above, cli

EPSON Stylus COLOR 670 Revision AAdjustment Using the Adjustment Program 1215.3.12 Print A4 Check PatternThis function is to check the adjustment res

CHAPTER6MAINTENANCE

EPSON Stylus COLOR 670 Revision AMaintenance Overview 1236.1 OverviewThis section provides information to maintain the printer in its optimum conditi

EPSON Stylus COLOR 670 Revision AMaintenance Overview 1246.1.2 Service MaintenanceIf any abnormal print (dot missing, white line, etc.) has occurred

EPSON Stylus COLOR 670 Revision AMaintenance Overview 1256.1.3 LubricationThe characteristics of the oil or grease have great affects on the mechanic

EPSON Stylus COLOR 670 Revision AMaintenance Overview 1266<Lubrication Point>• Inside the PF roller assembly installation bushing 12:Left: Insid

EPSON Stylus COLOR 670 Revision AMaintenance Overview 127 No.1 No.2 No.3 Upper Frame No.11Spur Gear 34 No.4Spur Gear 67.2Co

EPSON Stylus COLOR 670 Revision AMaintenance Overview 128Driven Pulley Holder No.8 ASF Hopper Assembly No.10 ASF Frame No.9 No.12CR Oi

CHAPTER7APPENDIX

EPSON Stylus Color 670 Revision AProduct Description Basic Specifications 131.2.4 Electric Specificationo 120 V VersionnRated voltage: AC 100VnInput

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 1307.1 Connector Summary7.1.1 Major Component UnitMajor component unit of this printer i

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 131Table 7-4. Connector CN6Pin Signal Name I/O Function1 ASF In Sensor detect signal2 GND

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 132Table 7-8. Connector CN10Pin Signal Name I/O Function1 +42V --- Mechanism drive power

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 1337.1.2 EEPROM Address MaplTable 7-11. EEPROM Address MapAddress Explanation SettingsQP

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 13428HReserved for Carriage phase on home00H -29HReserved for PE Sensor adjustment data00H

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 13550HInk counter Cc00H 00H51H 00H 00H52H 00H 00H53H 00H 00H54HReserved00H 00H55H 00H 00H5

EPSON Stylus COLOR 670 Revision AAppendix Connector Summary 136A0HHead Actuator Rank ID for VhN+1<=n<=+32 00H (*1)A1HHead Actuator Rank ID for V

EPSON Stylus COLOR 670 Revision AAppendix Component Layout 1377.2 Component LayoutFigure 7-2. C301MAIN Component Layout (Parts Side)Figure 7-3. C30

EPSON Stylus COLOR 670 Revision AAppendix Component Layout 138Figure 7-4. C301PSB Component LayoutFigure 7-5. C301PSE Component LayoutFigure 7-6. C

EPSON Stylus COLOR 670 Revision AAppendix Exploded Diagram 1397.3 Exploded DiagramFollowing pages shows exploded diagram.Figure 7-7. Stylus COLOR 67

EPSON Stylus Color 670 Revision AProduct Description Basic Specifications 14RESISTANCE TO SHOCKoOperating: 1 G, within 1ms (operating) o Non-operating

EPSON Stylus COLOR 670 Revision AAppendix Exploded Diagram 140Figure 7-8. Stylus COLOR 670 Exploded Diagram 2730574BBCGFACAD7557357417297237377367427

EPSON Stylus COLOR 670 Revision AAppendix Exploded Diagram 141Figure 7-9. Stylus COLOR 670 Exploded Diagram 3534DGF5885275245135235455505495485515275

EPSON Stylus COLOR 670 Revision AAppendix Exploded Diagram 142Figure 7-10. Stylus COLOR 670 Packing Material02for S.E.ASIA0103040305Rev.01PACKING MAT

EPSON Stylus COLOR 670 Revision AAppendix Parts List 1437.4 Parts ListTable 7-12. Stylus Color 670 Parts ListPart Number Description100 HOUSING101 C

EPSON Stylus COLOR 670 Revision AAppendix Parts List 144505 FRAME,RIGHT506 FRAME,TOP507 MOTOR,ASSY,CR508 PUMP ASSY.509 CAP ASSY.510 FRAME,BOTTOM511 SH

EPSON Stylus COLOR 670 Revision AAppendix Parts List 145543 STARHWEEL,8;B544 ROD SPRING,STAR WHEEL545 PAPER GUIDE,UPPER546 PAPER GUIDE,LEFT547 PAPER G

EPSON Stylus COLOR 670 Revision AAppendix Parts List 146587 C.B.S. SCREW588 C.P.S-TITE(P4),3X6,F/ZN589 LEAF SPRING590 PLANE WASHER,2.6X0.5X8591 CABLE,

EPSON Stylus COLOR 670 Revision AAppendix Parts List 147733 COVER,ROLLER,LD,LEFT734 COVER,ROLLER,LD,RIGHT735 COMPRESSION SPRING,1.961736 LEVER,FASTEN,

EPSON Stylus COLOR 670 Revision AAppendix Electric Circuit Diagrams 1487.5 Electric Circuit DiagramsThe following pages show the following electric c

EPSON Stylus Color 670 Revision AProduct Description Interface 151.3 Interface1.3.1 Hardware interfaceThis printer provides USB and parallel interfa

EPSON Stylus Color 670 Revision AProduct Description Interface 16NOTE: * A low logic level on the Logic H signal is 2.0 V or less when the printer is

EPSON Stylus Color 670 Revision AProduct Description Interface 17NOTE: * In/Out refers to the direction of signal flow from the printer’s point of vie

EPSON Stylus Color 670 Revision AProduct Description Interface 18NOTE: * In/Out refers to the direction of signal flow from the printer’s point of vie

EPSON Stylus Color 670 Revision AProduct Description Interface 191.3.3 USB (Universal Serious Bus)Following shows specification.o Standard:nUniversal

Noticeo 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 670 Revision AProduct Description Interface 201.3.4 Miscellanea1.3.4.1 Receive Data Buffer Full OperationGenerally, hosts abandon

EPSON Stylus Color 670 Revision AProduct Description Interface 211.3.5 Printer Language and Emulationo Printer language: ESC/P RasterEPSON Remote1.3.

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 221.4 Operator Controls1.4.1 Operate SwitchOperate switch is located on the c

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 231.4.5 Printer Condition and Panel Status1.4.6 Printer InitializationThere a

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 241.4.7 Errorso Ink EndWhen the printer runs out the most parts of the ink of

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 25oEnvelopenSize:No.10 (241.3 mm x 104.8 mm)(9.5 x 4.125”)DL (220 mm x 110 mm)(

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 261.4.10 Printable Area1.4.10.1 Cut SheetFigure 1-5. Printable Area for Cut

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 271.4.10.2 EnvelopeFigure 1-6. Printable Area for Envelopes Table 1-15. Enve

EPSON Stylus Color 670 Revision AProduct Description Operator Controls 281.4.11 Ink CartridgeBLACK INK CARTRIDGEoType: Exclusive cartridgeo Color: Bl

EPSON Stylus Color 670 Revision AProduct Description Physical Specification 291.5 Physical Specificationo Weight: 5.2 kg without the ink cartridgeso

PRECAUTIONSPrecautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment.DANGER Signals a preca

CHAPTER2OPERATING PRINCIPLES

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 312.1 OverviewThis section describes the operating principles of the printer mechanism

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 32Figure 2-1. Printer Mechanism Block DiagramCR UnitPaper Feed Trigger Lever PositionC

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 332.1.2 PrintheadThe printhead uses a new developed E-CHIPS+ 1 head method and EPSON S

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 342.1.2.1 Printing ProcessThis section explains the process in which the printheads of

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 352.1.2.2 Printing MethodFor print dot system, EPSON Stylus COLOR 670 has the followin

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 362.1.3 Carriage MechanismThe carriage mechanism consists of carriage motor (CR motor)

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 372.1.4 Paper Feeding MechanismThe paper feeding mechanism consists of paper feed moto

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 382.1.5 Paper Loading Mechanism (ASF Unit)The paper loading mechanism is positioned at

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 39Torque sent from the ASF/Pump motor to the ASF unit via the disengage mechanism. ASF

About This ManualThis manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON EPS

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 402.1.6 Ink System MechanismInk system mechanism consists of Pump unit (including CR l

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 412.1.7 Capping MechanismThe Capping mechanism covers the Printheads with the cap hold

EPSON Stylus COLOR 670 Revision AOperating Principles Overview 422.1.8 Ink Sequenceo Initial ink chargeAfter the product is purchased and the printer

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 432.2 Electrical Circuit Operating PrinciplesThe electr

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 44Figure 2-12. C301PSB/PSE Board Block DiagramThe C301P

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 452.2.2 C301MAIN BoardThe printer mechanism is controll

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 462.2.2.1 Main elementsTable 2-8 shows the main element

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 472.2.2.2 Printhead Driver CircuitThe printhead driver

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 482.2.2.3 PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 492.2.2.4 CR Motor Driver CircuitMotor driver IC (IC13)

Symbols Used in This ManualVarious symbols are used throughout this manual either to provide additional information on a specific topic or to warn of

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 502.2.2.6 EEPROM Control CircuitSince EEPROM is nonvola

EPSON Stylus COLOR 670 Revision AOperating Principles Electrical Circuit Operating Principles 512.2.2.7 Sensor CircuitC301MAIN is equipped with the f

CHAPTER3TROUBLESHOOTING

EPSON Stylus COLOR 670 Revision ATroubleshooting Overview 533.1 OverviewThis chapter describes how to identify troubles in two levels: unit level rep

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Level Troubleshooting 543.2 Unit Level TroubleshootingYou can identify the troubles, using flow

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Level Troubleshooting 553.2.1 Printer does not operate at power onFlowchart 3-1. 3.2.2 Error

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Level Troubleshooting 563.2.3 Failure occurs during printingFlowchart 3-3. 3.2.4 Printer does

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Power Supply Board) 573.2.5 Control panel operation is abnormalFlowchart 3-5. 3.3 Uni

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Control Board) 583.4 Unit Repair (Control Board)This section provides in-depth informat

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Control Board) 59Carriage does not operate correctly.CR motor does not operate properly.

Revision StatusRevision Issued Date DescriptionRev. A January 27, 2000 First Release

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Control Board) 60Paper feed operation is abnormal.PF motor does not revolve.IC2 is broke

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Printer Mechanism) 613.5 Unit Repair (Printer Mechanism)This section provides in-depth

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Printer Mechanism) 62Abnormal carriage operation.Carriage operation is abnormal when tun

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Printer Mechanism) 63Abnormal printing Only a particular dot causes abnormal printing.Pr

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Printer Mechanism) 64Abnormal Printing.A vertical line is not aligned.Bi-directional ali

EPSON Stylus COLOR 670 Revision ATroubleshooting Unit Repair (Printer Mechanism) 65Printer stops during initializationFatal error appears.ASF sensor i

CHAPTER4DISASSEMBLY AND ASSEMBLY

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Overview 674.1 OverviewThis section describes procedures for disassembling the main compone

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Overview 684.1.1 PrecautionsA lithium battery is installed on the MAIN Board of this printe

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Overview 694.1.2 ToolsUse only specified tools to avoid damaging the printer.Table 4-1. Re

EPSON Stylus COLOR 670 Revision A7ContentsProduct DescriptionOverview ...

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Overview 704.1.3 Work Completion CheckIf any service is made to the printer, use the checkl

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 714.2 Disassembly The flowchart below shows step-by-step disassembly procedures

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 724.2.1 Housing RemovalSince this printer has no lower Housing, the Printer Mec

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 734.2.2 Circuit Board Assembly Removal1. Remove the Housing. (“Housing Removal”

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 74ADJUSTMENTREQUIREDAfter replacing C301MAIN Board, perform the following adjust

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 754.2.3 Control Panel Removal1. Remove the Housing. (See“Housing Removal” on pa

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 764.2.4 Ink Absorber Tray Assembly (Waste Ink Pad) Removal1. Remove the Housing

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 774.2.5 Printer Mechanism Disassembly4.2.5.1 Printhead Removal1. Remove the Ho

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 78CAUTIONn When removing the Head FFCs from the Printhead Board, do not pull two

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 79Figure 4-10. Printhead InstallationCHECKPOINTn Be sure that the Head Groundin

EPSON Stylus COLOR 670 Revision A8Operating PrinciplesOverview ...

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 804.2.5.2 Pump Assembly / Cap Assembly Removal1. Remove the Housing. (See “Hous

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 81Figure 4-12. Components of Pump AssemblyFigure 4-13. Ink Tube RoutingCHECKPO

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 824.2.5.3 CR Motor Assembly Removal1. Remove the Housing.(See “Housing Removal”

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 834.2.5.4 PF Motor Assembly Removal1. Remove the Housing. (See “Housing Removal

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 84Figure 4-18. Front Paper Guide and Paper Eject Roller Removal8. Remove 2 scre

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 854.2.5.5 ASF Assembly Removal1. Remove the Housing. (See “Housing Removal” on

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 86Figure 4-24. ASF Assembly Installation Point Figure 4-25. Head FFC RoutingCH

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 874.2.5.6 ASF LD Roller Assembly Removal1. Remove the ASF Assembly. (See “ASF A

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 885. Release the protrusion of the ASF Frame from the ASF Hopper Assembly instal

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 89The following is the ASF Assembly exploded diagram.Figure 4-30. ASF Disassemb

EPSON Stylus COLOR 670 Revision A9AdjustmentOverview ...

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 90Figure 4-32. LD Roller Assembly Installation PointFigure 4-33. Left LD Rolle

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 91Figure 4-35. Compression Spring 1.961 Temporary Fixing PositionCompression Sp

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 924.2.5.7 LD Roller Assembly Disassembly1. Remove the ASF Assembly. (See “ASF A

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 934.2.5.8 CR Assembly Removal1. Remove the Housing. (See “Housing Removal” on p

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 949. Rotate the Right Parallelism Adjust Bushing to the front side of the printe

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 954.2.5.9 PE Sensor Assembly Removal1. Remove the Housing. (See “Housing Remova

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 964.2.5.10 PF Roller Assembly Removal1. Remove the Housing.(See “Housing Remova

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 977. Release hooks securing the Left Bushing 12 to the Left Frame and rotate the

EPSON Stylus COLOR 670 Revision ADisassembly and Assembly Disassembly 984.2.5.11 CR HP Sensor Removal1. Remove the Housing. (“Housing Removal” on pag

CHAPTER5ADJUSTMENT