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SERVICE MANUAL
Color Inkjet Printer
EPSON Stylus C63/C64/C83/C84
®
SEIJ03004

Summary of Contents

  • Page 1

    SERVICE MANUAL Color Inkjet Printer EPSON Stylus C63/C64/C83/C84 ® SEIJ03004...

  • Page 2

    The contents of this manual are subject to change without notice. o All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.

  • Page 3

    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.

  • Page 4

    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.

  • Page 5

    Revision Status Revision Issued Date Description 2003/7/31 First Release...

  • Page 6: Table Of Contents

    Precautions ... 8 Tools... 9 Work Completion Check... 10 Caution regarding assembling/disassembling of the printer mechanism, and how to ensure of quality on re-assembled product ... 11 Disassembly ... 12 Housing (Right/Left/Frame), Stacker Assy. removal ... 13 ASF unit removal... 14 Circuit board removal ...

  • Page 7

    C H A P T E R DISASSEMBLY AND ASSEMBLY...

  • Page 8: Overview, Precautions

    Read precautions described in the next section before starting. 1.1.1 Precautions See the precautions given under the handling “WARNING” and “CAUTION” in the following column when disassembling or assembling EPSON Stylus PC63/64/83/84.. Disconnect the power cable before disassembling or assembling the printer.

  • Page 9: Tools

    EPSON Stylus C63/64/83/84 1.1.2 Tools Use only specified tools to avoid damaging of the printer. Table 1-1. Tools Name Supplier Phillips Screw Driver (No.2) EPSON Tweezer EPSON Hexagon Box Driver EPSON (Opposite side : 5.5 mm) Disassembly and Assembly Parts No.

  • Page 10: Work Completion Check

    EPSON Stylus C63/64/83/84 1.1.3 Work Completion Check If any service is made to the printer, use the checklist shown below to confirm all works are completed properly and the printer is ready to be returned to the user. Table 1-2. Work Completion Check...

  • Page 11: Of The Printer Mechanism, And How To Ensure Of Quality On Re-assembled Product

    Disassembly and Assembly Caution regarding assembling/disassembling of the printer mechanism, and how to ensure of quality on re-assembled product (b) Control of vertical level of guide rail (Guide rail means the portion latched by hooks of IC holder & Print head assy..)

  • Page 12: Disassembly

    EPSON Stylus C63/64/83/84 1.3 Disassembly The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Housing (Right/Left/Frame), Stacker assy. Page 13 ASF unit removal CR motor removal Page 14 Holder shaft unit removal...

  • Page 13: Housing (right/left/frame), Stacker Assy. Removal

    4) Release five hooks by hand/precision screwdriver (-), and remove Housing (Frame). Housing (Right) [Stacker assy. removal] 1) Push cut-out portion of Stacker Assy. (left side) by precision screwdriver (-), and pull Stacker assy. to the front side of the printer. Backside be removed/installed. in assembling/disassembling order of assembling.

  • Page 14: Asf Unit Removal

    Removal procedure 1) Remove three screws for securing ASF unit to main frame, and remove the unit with pulling up slightly to the backside of the printer. 2) Release left protrusion of Hopper by pulling its bottom toward the front side, and remove Hopper from ASF frame.

  • Page 15: Circuit Board Removal

    EPSON Stylus C63/64/83/84 1.3.3 Circuit board removal External view Screw type : C.B.S TITE SCREW, 3x14, F/SN Screw type : C.B.S TITE SCREW, 3x10, F/SN Order of tightening : Third Thghtening torque : 8±1 kgf.cm Screw type : C.B.S TITE SCREW, 3x6, F/SN Screw type : C.B.S TITE SCREW, 3x14, F/SN...

  • Page 16

    EPSON Stylus C63/64/83/84 When replacing the Main board with new one, perform the following service items. If the read-out operation succeeds by adjustment program from defective main board, replace with new board and write the read out data to new one.

  • Page 17: Holder Shaft Unit Removal

    Then, release Head FFC and CR motor connector cable from Holder shaft unit. Holder shaft unit (Backside) 3) Release Change lever toward the backside of the printer by the tweezer, and move CR unit to the leftmost side (far side). 4) Remove Holder shaft unit from main frame as belows.

  • Page 18

    EPSON Stylus C63/64/83/84 Make sure to place PE sensor cable to the suitable groove on LD roller shaft holder. When assembling Clutch mechanism to LD roller shaft, Make sure to set the round hole of Clutch on the dowel of LD roller shaft.

  • Page 19: Ps Board Unit Removal

    Removal procedure 1) Remove three screws for securing PS board unit to main frame, and remove the unit with pulling toward the backside of the printer. 2) Release one hook of Shield Plate (Upper), and remove four screws for securing the PS board.

  • Page 20: Cr Motor Removal

    Part/Unit that should be removed before removing CR motor Housing (Right/Left/Frame) Removal procedure 1) Release CR lock lever toward the backside of the printer by the tweezer, and move CR unit from home position to around the ceter of the printer mechanism.

  • Page 21: Paper Guide Upper Removal

    EPSON Stylus C63/64/83/84 1.3.7 Paper guide upper removal External view Paper guide upper Figure 1-9. Part/Unit that should be removed before removing Paper guide upper Housing (Right/Left/Frame) / ASF unit / Circuit board / PS board / CR unit with...

  • Page 22: Front Frame Removal

    Thghtening torque : 8±1 kgf.cm Disassembly Do not damage [Pulley, Eject, Driven] when sliding the Front frame to the left side of the printer. When assembling Front frame to main frame, Make sure that the Star wheel holder & Star wheel eject holder is correctly fixed.

  • Page 23: Cr Unit Removal

    Stopper holder pulley driven Stopper holder pulley driven Hook Pull up IC holder to the front side of the printer with being released two hooks of IC holder from inside of CR unit by using the tweezer. Figure 1-12. CR unit removal (1) Disassembly and Assembly External view (Cont.1)

  • Page 24

    Print head is damaged. Disassembly and Assembly 11) Pull IC holder slightly to the front side of the printer, and remove CR unit from main frame. You cannot remove IC holder from Print head assy., if you have to remove [Cover, Detector, PW] and Head FFC.

  • Page 25

    EPSON Stylus C63/64/83/84 When assembling Print head assy., Make sure that the CR timing belt is set in the assembling groove correctly. (CR timing belt is under hook of Print head assy..) Do not stain the CR timing belt with the grease (G-58).

  • Page 26

    EPSON Stylus C63/64/83/84 When you replace Holder pulley driven with new one, lubricate it with the suitable amount of G-65 grease by the specified position. When you replace Front frame with new one, lubricate it with the suitable amount of G-58 grease by the specified position.

  • Page 27: Paper Eject Roller Removal

    4) Slide Paper eject roller to home position side slightly, and pull up the left end of the roller. 5) Remove Paper eject roller with sliding to the left side of the printer. Do not damage rubber portion of Paper eject roller when sliding the roller to the left side of the printer.

  • Page 28: Paper Guide Front Removal

    EPSON Stylus C63/64/83/84 1.3.11 Paper guide front removal External view Screw type : CBS TITE SCREW, 3x6, F/Zn Order of tightening : First Thghtening torque : 8±1 kgf.cm Ribs of Paper guide front Paper guide front HP side 45-degrees Angle of two feet is within 45-degrees.

  • Page 29: Printer Mechanism/housing (lower) Removal

    Cap unit to temporary [Cap unit] setting portion. 4) Release two hooks for securing Printer mechanism (left side) to Housing (Lower) by the tweezer, and pull the left side of printer mechanism upward with holding the specific position of printer mechanism.

  • Page 30

    (Lower). [Z-axis direction] - Make sure that there is no gap between main frame and Housing (Lower). - Make sure that the left side of Printer mechanism is correctly fixed by two hooks. Figure 1-20. Disassembly and Assembly Figure 1-21. Assembled standard position of main frame...

  • Page 31

    EPSON Stylus C63/64/83/84 Do not touch the sealing rubber portion and the Cleaner head of the Cap unit. Make sure that [Sheet, Protect, Splash] is correctly pasted on Cap unit. If the adherence of [Sheet, Protect, Splash] is lower, replace it with new one to avoid that ink leak out of printer.

  • Page 32: Ink System Removal

    19.2 by your finger. (Supporting of Change lever and gear is to prevent damage by dropping in disassembly.) 2) Remove the whole of Ink system from printer mechanism, and remove four gears and the Pump pulley. Make sure that Cap unit is in temporary [Cap unit] setting portion before removing Ink system.

  • Page 33: Pf Motor Removal

    EPSON Stylus C63/64/83/84 1.3.14 PF motor removal External view Screw type : HEXAGON NUT, NORMAL, M3 Screw type : HEXAGON NUT, NORMAL, M3 Order of tightening : First ± Thghtening torque : 6 1 kgf.cm Screw type : HEXAGON NUT, NORMAL, M3...

  • Page 34

    C H A P T E R ADJUSTMENT...

  • Page 35: Required Adjustment, Overview

    If you remove or replace the specific part in your service/repair, you have to perform the appropriate adjustment as listed Table 5-1 below. In this printer, it is necessary to perform appropriate adjustment in order to maintain consistent printing function and quality, eliminate differences of each printer mechanism’s characteristics.Therefore, in case that the combination between the...

  • Page 36

    EPSON Stylus C63/64/83/84 Performance Priority Adjustment Market ID item setting Replaced part Part 1 ASF Unit Removal/Replacement Holder Shaft Unit Removal/ Replacement Main Board Removal Main Board Replacement PS Board Removal PS Board Replacement Part 2 Frame Front Removal/Replacement CR unit Removal/Replacement...

  • Page 37: Head Angular Adjustment, Bi-d Adjustment

    • C63/C64 are not loaded with PW sensor, therefor you may not carry out PW adjustment. If using new main board in the printer mechanism replacement, you need to perform EEPROM initial setting of main board. And then, please perform the adjustment by usual procedure.

  • Page 38: Pf Adjustment, Pw Adjustment

    EPSON Stylus C63/64/83/84 Figure 2-4. Bi-D Adjustment Pattern3 2.1.4 PF Adjustment 1)Set Super Fine Photo Paper A4 on the Paper Support. 2)Select PF adjustment in the adjustment program. 3)Print the PF adjustment check patterns, choose the pattern that has the smallest displacements, and enter it in the adjustment program.

  • Page 39: First Dot Adjustment, Top Margin Adjustment, Cr Motor Drive Torque Dispersion Measurement

    EPSON Stylus C63/64/83/84 2.1.6 First Dot Adjustment 1)Set Economy Photo Paper A4 on the Paper Support. 2)Print the First Dot adjustment check pattern, It adjusts so that it may be set to 3±1.5mm away from each edge. 3±1.5mm Figure 2-8. First Dot Pattern 2.1.7 Top Margin Adjustment...

  • Page 40

    C H A P T E R MAINTENANCE...

  • Page 41: Cleaning, Overview, Service Maintenance

    Maintenance 3.1.2 Service Maintenance If any abnormal print (dot missing, white line, etc.) has occurred or the printer indicates the "Maintenance request error" (This error is displayed as "Maintenance call error" in the STM3), take the following actions to clear the error.

  • Page 42

    EPSON Stylus C63/64/83/84 Select the “EPSON Status Monitor 3” in the printer driver utility, and make sure that the printer is in stand-by state by using the Status monitor 3. If the printer is in stand-by state, the following figure is indicated on the monitor.

  • Page 43: Lubrication

    The type and amount of the grease used to lubricate the printer parts are determined based on the results of the internal evaluations. Therefore, be sure to apply the specified type and amount of the grease to the specified part of the printer mechanism during servicing.

  • Page 44

    EPSON Stylus C63/64/83/84 Table 3-2. Lubrication point Lubrication type/point <Lubrication point> • Lubricate G-58 along CR guide parts of [FRAME MAIN] on 4 position by using Frame main lubrication fixture. (Figure 3-7) <Lubrication type> • G-58 <Lubrication amount> • Quantity for each position is 100mg.

  • Page 45

    EPSON Stylus C63/64/83/84 Lubricate with G-46 on 2 position of shafts Figure 3-5. Lubrication point 2 G-58 Length of lubrication area of G-58 35 mm Figure 3-6. Lubrication point 3 Maintenance Lubrication area with G-58 (350 mm length) <Fig.2> Lubrication position :...

  • Page 46

    EPSON Stylus C63/64/83/84 Revision A [HOLDER,PULLEY,DRIVEN] G-26 : Ø 1 X 1 mm Figure 3-9. Lubrication point 6 G-65 Ø1mmX1mm G-58 : Ø 1 X 1 circle Figure 3-11. Lubrication point 8 PULLEY,EJECT,DRIVE;B Figure 3-10. Lubrication point 7 Maintenance Overview...

  • Page 47

    C H A P T E R APPENDIX...

  • Page 48: Electrical Circuits, Parts List

    EPSON Stylus C63/64/83/84/ 4.1 Electrical Circuits The electric circuit diagrams below are shown at the following pages: C528/C529 Main control circuit board C528/C529 PSH power supply circuit board Appendix 4.2 Parts List This Service Manual has not indicated Part List.

  • Page 49

    EPSON Stylus C63/64/83/84/ Revision A Figure 4-1. C528/C529 Main control circuit board Appendix Parts List...

  • Page 50

    EPSON Stylus C63/64/83/84/ Revision A Figure 4-2. C528/C529 PSH power supply circuit board Appendix Parts List...

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