Epson Stylus C64, Service Manual

Page 1: ...EPSON Stylus C63 C64 C83 C84 Color Inkjet Printer SEIJ03004 SERVICE MANUAL ...

Page 2: ...s of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them o The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purpose only and...

Page 3: ...O 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 S...

Page 4: ...ts layout Electrical circuit boards schematics Exploded diagram Parts List 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 ...

Page 5: ...Revision Status Revision Issued Date Description A 2003 7 31 First Release ...

Page 6: ... Paper guide upper removal 21 Front frame removal 22 CR unit removal 23 Paper eject roller removal 27 Paper guide front removal 28 Printer mechanism Housing Lower removal 29 Ink system removal 32 PF motor removal 33 Adjustment Overview 35 Required Adjustment 35 Head Angular Adjustment 37 Bi D Adjustment 37 PF Adjustment 38 PW Adjustment 38 First Dot Adjustment 39 Top Margin Adjustment 39 CR Motor ...

Page 7: ...C H A P T E R DISASSEMBLYANDASSEMBLY ...

Page 8: ...ear protective goggles to protect your eyes from ink If ink gets in your eye flush the eye with fresh water and see a doctor immediately n Always wear gloves for disassembly and reassembly to avoid iujury from sharp metal edges n To protect sensitive microprocessors and circuitry use static discharge equipment such as anti static wrist straps when accessing internal components n Never touch the in...

Page 9: ...Assembly Overview 9 1 1 2 Tools Use only specified tools to avoid damaging of the printer Table 1 1 Tools Name Supplier Parts No Phillips Screw Driver No 2 EPSON B743800200 Tweezer EPSON B741000100 Hexagon Box Driver Opposite side 5 5 mm EPSON B741700100 ...

Page 10: ...oo heated o Checked o Not necessary Paper Feeding Mechanism Is paper advanced smoothly No paper jamming No paper skew No multiple feeding No abnormal noise o Checked o Not necessary Is the PF Motor at correct temperature o Checked o Not necessary Is the paper path free of any obstructions o Checked o Not necessary Adjustment Specified Adjustment Are all the adjustment done correctly o Checked o No...

Page 11: ...of Housing Lower Make sure that there is no gap between main frame and Housing Lower Y axis direction Make sure that cut out portion of main frame is correctly placed on the square protrusion of Housing 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 b Control of vertical le...

Page 12: ... removal PF motor removal Page 23 Page 14 Page 19 Page 17 Page 15 Page 21 Page 20 Page 32 Page 13 2 2 There is some cautions regarding repair of these parts As for the details please refer to 1 2 Caution regarding assembling disassembling of the printer mechanism and how to ensure of quality on re assembled product 1 In Front frame removal the procedure only for removing Front frame is mentioned I...

Page 13: ...talled Insert metal scale from this slit and release one hook of I F cover Housing Right 1 2 3 4 5 1 2 3 4 5 Damper This marking is the hook portion for Housing cover Right Left and the order of assembling 1 This marking is more careful hooks in assembling disassembling This hook is not only the right side but also the left side C A U T I O N o Do not damage hooks by hand precision screwdriver in ...

Page 14: ...el latched position and the order of assembling 1 2 Paper return lever Ribs of ASF frame o When assembling ASF unit n Make sure to latch Extension spring 0 585 for Paper return lever Compression spring 1 88 for Returd roller unit in the order indicated in the figure and to set Expression spring 0 585 between ribs of ASF frame n Make sure that Paper return lever Returd roller unit move smoothly n D...

Page 15: ...CREW 3x10 F SN Order of tightening Third Thghtening torque 8 1 kgf cm Screw type C B S TITE SCREW 3x14 F SN Order of tightening Second Thghtening torque 8 1 kgf cm Screw type C B S TITE SCREW 3x6 F SN Order of tightening 4th Thghtening torque 8 1 kgf cm Main board Backside HP side Far side Dowel of cramp core Shield Plate FFC Cramp core o When assembling Circuit board n Make sure that the metal fi...

Page 16: ... 10 Head angular adjusstment 11 PF adjustmen 12 CR motor drive torque dispersion measurement n If the read out operation is not able to succeed by adjustment program from defective main board perform the following service items after replacing main board with new one 1 Replace all ink cartridges with brand new one for Ink consumption counter 2 Replace the Waste drain ink pad with new one for Waste...

Page 17: ...nter 5 Remove LD roller shaft along with Clutch mechanism from LD roller shaft holder 6 Remove the Spur gear 36 8 from LD roller shaft 7 Remove Extension spring 0 143 and remove Clutch from LD roller shaft 8 Release one hook for securing PE sensor board and push the sensor board from the side contacting main frame by the tweezer 9 Release Torsion spring 0 22 for PE detection levers and remove the ...

Page 18: ...nsor cable CR motor connector cable and Head FFC on the suitable position of Holder shaft unit n Make sure to connect PE sensor cable CR motor connector cable and Head FFC to the connector CN5 CN7 CN8 CN9 on main board n Make sure that Shield plate FFC on Head FFC is securely pasted on Mounting Plate M B n Make sure that two dowels of Clamp core is set in home position direction n Make sure that P...

Page 19: ...of tightening Second Thghtening torque 6 1 kgf cm Screw type C B P TITE SCREW 3x8 F SN Order of tightening First Thghtening torque 6 1 kgf cm o When assembling the PS board to Shield plate Lower n Make sure to install the PS board correctly n Fasten four screws for securing PS board in the order torque indicated in the figure o When assembling Shield plate Upper to Shield palte Lower n Make sure t...

Page 20: ... cm Screw type C B S TITE SCREW P4 3x6 F ZN Order of tightening non Thghtening torque 8 1 kgf cm Holder pulley driven assy Compression spring 20 Stopper holder pulley driven o When assembling the CR motor to main frame n Do not damage CR motor pinion gear with main frame n Make sure to connect the CR motor connector cable to the connector CN5 on main board n Make sure to place CR motor connector c...

Page 21: ...Paper guide upper avoid to damage the coated surface of PF roller by OHP sheet as the following figure Figure 1 10 Paper guide removal procedure o When assembling Paper guide upper n Make sure to install the tip of Torsion spring 60 05 in hole of Paper guide upper o When assembling Paper guide upper to main frame n Make sure that two dowels of Paper guide upper is installed to main frame and that ...

Page 22: ...Front frame Star wheel holder Star wheel eject holder Screw type C B S TITE SCREW 3x6 F ZN Order of tightening First Thghtening torque 8 1 kgf cm C A U T I O N o Do not damage Pulley Eject Driven when sliding the Front frame to the left side of the printer o When assembling Front frame to main frame n Make sure that the Star wheel holder Star wheel eject holder is correctly fixed n Make sure that ...

Page 23: ...Cont 1 Figure 1 13 CR unit removal 2 Screw type C B S TITE SCREW P4 3x6 F ZN Order of tightening non Thghtening torque 8 1 kgf cm Holder pulley driven assy Compression spring 20 Stopper holder pulley driven Extension spring 1 494 CR encoder scale 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 Hook Stopper ho...

Page 24: ...e front side of the printer 10 Move CR unit to the center of the printer mechanism with holding the whole of the unit by hand 11 Pull IC holder slightly to the front side of the printer and remove CR unit from main frame 12 Release two hooks for securing Cap Detector PW to IC holder and remove Cap Detector PW Print head removal 13 Disconnect Head FFC from the connectors on print head board and rem...

Page 25: ...xed o When assembling CR unit to main frame n Make sure that main frame is located between Roller guide and Print head assy n Make sure that the right left hook of Print head assy is properly inserted into the hole of IC holder n Make sure that four hooks of Cover cable head are inserted into IC holder n Do not touch the lubrication area of main frame n Make sure place Head FFC on the suitable pos...

Page 26: ...with the suitable amount of G 58 grease by the specific position o When IC holder PW sensor CR encoder sensor is removed or replaced with new one the following adjustment must be performed in the order below 1 Top margin adjustment 2 PF adjustment 3 Bi d adjustment 4 Head angular adjustment 5 1st dot adjustment 6 PW sensor adjustment Only for SC83 84 7 CR motor drive torque dispersion measurement ...

Page 27: ...en assembling Paper eject roller to main frame n Do not touch the rubber portion n Make sure that Bushing 6 is correctly fixed n Do not damage the tooth of Pulley Eject Driven while PF timing belt is set n Make sure that Spacers for Pulley Eject Driven Bushing 6 is correctly inserted to the slit of PF eject roller n Make sure that the Paper eject roller moves smoothly n On SC63 64 when Paper eject...

Page 28: ...ed to Porous Pad Ink Eject C A U T I O N o Do not touch the rib of Paper guide front and Porous Pad Paper guide Front o Do not touch eight feet of Porous Pad Paper guide Front Sub o When assembling Paper guide front to main frame n Do not touch the rib of Paper guide front and Porous Pad Paper guide Front n Make sure to install the dowels of Paper guide front into the holes of main frame n Make su...

Page 29: ... printer mechanism 5 Remove the whole of printer mechanism from Housing Lower carefully Screw type C B P TITE SCREW 3x8 F Zn Order of tightening Second Thghtening torque 6 1 kgf cm Screw type C B P TITE SCREW 3x8 F Zn Order of tightening Third Thghtening torque 6 1 kgf cm Hook Sheet Protect Splash Screw type SCREW FRAME MAIN Order of tightening Non Thghtening torque 6 1 kgf cm PF timing belt Doubl...

Page 30: ...ap between main frame and Housing Lower Make sure that the left side of Printer mechanism is correctly fixed by two hooks Figure 1 20 Assembled standard position of Y axis direction of main frame Assembled standard position of X axis direction of main frame Figure 1 21 Assembled standard position of main frame n Fasten four screws for securing Printer mechanism to Housing Lower in the order tighte...

Page 31: ...using Lower and that line mark is faced to far side direction ink tube is not twisted Figure 1 24 Setting position of Ink tube 3 n Be careful not to crash or leave any stress on the Ink tube Joint tube area HP side Front side Backside Porous Pad Cap Lower Ink tube image Far side Groove of Housing Lower n Make sure that Cap unit moves smoothly n Do not damage Change lever and Combination gear 27 2 ...

Page 32: ...t Change lever Compression spring 2 36 Spur gear 27 2 Combination gear 21 24 Combination gear 27 2 19 2 Joint tube area o When assembling Ink system n Do not touch the sealing rubber portion and the Cleaner head of the Cap unit n Make sure that line mark on ink tube is not twisted n Make sure that ink tube is connected on joint tube area of cap frame n Make sure that Cap unit moves smoothly n Make...

Page 33: ... Thghtening torque 6 1 kgf cm PF motor Compression spring 1 53 This spring is only here Spacer Insulator Insurator Motor PF C A U T I O N o When removing PF motor from main frame do not damage the pinion gear of PF motor o When assembling PF motor to main frame n Do not damage PF motor pinion gear with main frame n Make sure to place PF motor connector cable to Housing Lower properly before put pr...

Page 34: ...C H A P T E R ADJUSTMENT ...

Page 35: ...inate differences of each printer mechanism s characteristics Therefore in case that the combination between the printer mechanism and the main board changes or the Printhead is replaced during the repair service you must input the correct adjustment value into the EEPROM on the Main board by using the Adjustment program Flowchart 2 1 Required adjustment flowchart C H E C K P O I N T In case that ...

Page 36: ...oval NA NA NA NA NA NA NA PS Board Replacement NA NA NA NA NA NA Part 2 Frame Front Removal Replacement NA NA NA NA NA NA NA NA CR unit Removal Replacement NA NA NA Printhead Replacement NA NA Roller Eject Removal Replacement NA NA NA NA CR Motor Removal NA NA NA NA CR Motor Replacement NA NA NA Paper Guide Removal Replacement NA NA NA NA Part 3 Housing Rower Removal Replacement NA NA NA NA PF Mot...

Page 37: ...ly C83 C84 is required necessary adjustment The numbers in the circle square shows the required adjustment order NA Not applicable Platen Gap adjustment are not required on this product C63 C64 are not loaded with PW sensor therefor you may not carry out PW adjustment NOTE When the Main board is replaced with new one you may have to replace waste drain ink pad also in case the EEPROM parameter bac...

Page 38: ... check patterns again and check the adjustment result Figure 2 5 PF Adjustment Pattern 1 Figure 2 6 PF Adjustment Pattern 2 2 1 5 PW Adjustment 1 Set Economy Photo Paper A4 on the Paper Support 2 Print the PW sensor adjustment check pattern choose the pattern number 5mm away from each edge and enter it in the adjustment program Figure 2 7 PW Adjustment Pattern 1 There need to be no White Banding 2...

Page 39: ...Adjustment Pattern 2 1 8 CR Motor Drive Torque Dispersion Measurement 1 Choose CR Motor drive torque dispersion measurement in the adjustment program 2 Following the screen prompts turn on the necessary Replacement part cheek box and click the OK button According to the replacement part variation value write and variation measurement write are performed automatically 2 1 9 A4 Normal Print and A4 S...

Page 40: ...C H A P T E R MAINTENANCE ...

Page 41: ... and the Adjustment program In case that the cleaning sequence is performed by the control panel operation confirm that the printer is in stand by state the Power LED is lighting and hold down the Error reset button on the control panel for more than 3 seconds Then the printer starts the cleaning sequence the Power LED blinks during this sequence In case that you select and perform the manual clea...

Page 42: ...ad and the amount of the waste ink is stored as the waste ink counter into the EEPROM on the Main board Due to this when the waste ink counter has reached the limit Waste ink counter Protection counter A 47000 points C83 C84 25000 points C63 C64 of the absorbing capability of the Waste drain ink pad the Maintenance call error is indicated on Status monitor 3 as following figure Figure 3 3 Maintena...

Page 43: ...SON Grease G 58 1082176 EPSON Grease G 26 1080614 EPSON Table 3 2 Lubrication point No Lubrication type point Remarks 1 Lubrication point Lubricate G 58 on the touch side ROLLER GUIDE and HOLDER ROLLER GUIDE Refer to Figure 3 4 Lubrication type G 58 Lubrication amount F1mm x 2 position G 58 shouldn t spread to any other parts Use a syringe to apply it Pay Attention of Handling PRINT HEAD while lub...

Page 44: ... F1 x 0 5F of ROLLER PF Don t spread G 58 to other parts G 58 must spread out and touch to ROLLER PF and GRANDING SPRING PF 6 Lubrication point Lubricate G 26 to center of cam LEVER PAPER RETURN Refer to Figure 3 9 Lubrication type G 26 Lubrication amount F1 x 1mm Make sure G 26 doesn t spread to other parts Table 3 2 Lubrication point No Lubrication type point Remarks 7 Lubrication point Lubricat...

Page 45: ...rication point 4 Figure 3 8 Lubrication point 5 Lubricate with G 46 on 2 position of shafts Length of lubrication area of G 58 G 58 20 mm 35 mm Lubrication area with G 58 350 mm length Fig 1 Fig 2 Profile right side view of CR guide position of FRAME MAIN Lubrication position 4 positions FRAME MAIN 1 2 3 4 Lubrication of G 58 Ø 1 X 0 5 Ø ...

Page 46: ...84 Revision A Maintenance Overview 46 Figure 3 9 Lubrication point 6 Figure 3 10 Lubrication point 7 Figure 3 11 Lubrication point 8 G 26 Ø 1 X 1 mm G 58 Ø 1 X 1 circle PULLEY EJECT DRIVE B HOLDER PULLEY DRIVEN G 65 Ø1mmX1mm ...

Page 47: ...C H A P T E R APPENDIX ...

Page 48: ...its The electric circuit diagrams below are shown at the following pages o C528 C529 Main control circuit board o C528 C529 PSH power supply circuit board 4 2 Parts List This Service Manual has not indicated Part List Please refer to Service Part Information in Tech Exchange about Part List ...

Page 49: ...EPSON Stylus C63 64 83 84 Revision A Appendix Parts List 49 Figure 4 1 C528 C529 Main control circuit board ...

Page 50: ...EPSON Stylus C63 64 83 84 Revision A Appendix Parts List 50 Figure 4 2 C528 C529 PSH power supply circuit board ...