Epson Stylus Photo R290 Service Manual Download Page 123

Page: 123 / 125

Model : PM-G860

Stylus Photo R280/R285/R290

Board : C691 PNL

Rev. : A

Sheet : 1/1

Summary of Contents for Stylus Photo R290

Page 1: ...EPSONStylusPhotoR280 R285 R290 Color Inkjet Printer SEIJ07003 SERVICE MANUAL ...

Page 2: ...is manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them 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 may be t...

Page 3: ...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 SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING PLATE IF THE EPSON PRO...

Page 4: ...rical circuit boards schematics 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 maintenance procedure practice or condition...

Page 5: ...Revision Status Revision Date of Issue Description A August 8 2007 First Release B September 28 2007 Chapter 4 Main Board Unit Page 61 error correction Chapter 5 Overview Page 107 error correction ...

Page 6: ...g Reduction System BRS Paper Feed Amount Profile Correction PFP 26 Chapter 3 Troubleshooting 3 1 Overview 28 3 1 1 Troubleshooting on Motors and Sensors 28 3 2 Warning Error Indications 29 3 2 1 Error Indication Method 29 3 3 Troubleshooting by Error Message 31 3 3 1 Troubleshooting Problems with Error Messages 31 3 4 Troubleshooting by Symptom 42 3 4 1 Problems in Printing Operation 42 3 4 2 Powe...

Page 7: ...2 4 4 18 CDR Tray Sensor 94 Chapter 5 Adjustment 5 1 Adjustment Items and Overview 96 5 1 1 Servicing Adjustment Item List 96 5 1 2 Required Adjustments 99 5 2 Using the Adjustment Program 101 5 2 1 Top Margin Adjustment 101 5 2 2 Head Angular Adjustment 101 5 2 3 Bi D Adjustment 102 5 2 4 PW Adjustment First Dot Position Adjustment 103 5 2 5 PF Adjustment 104 5 2 6 PG Adjustment 105 5 3 Banding R...

Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...

Page 9: ...ves higher print speed than ever Six independent dye ink cartridges enables high resolution photo printing CD and DVD label printing are supported Borderless printing on specified EPSON brand paper is available Control panel Simple design with three buttons and three indicators LED Dimensions Dimensions 450 mm W x 282 mm D x 187 mm H Paper support and stacker are closed Rubber feet are included We...

Page 10: ...meric with expanded graphics PC437 ASCII 20H to 7FH only Font EPSON original font Alphanumeric font Courier Paper feed method Friction feed using one ASF Auto Sheet Feeder Paper path Top feed front out Paper feed rates 110 msec at 25 4 mm feed PF interval Programmable in 0 01764 mm 1 1440 inch steps Table 1 2 Product No of Ink Cartridges Color EAI Euro Asia CISMEA Latin Black T0771 S T0781 SS T080...

Page 11: ... Fine 720x360 MC1 1 240cps ON ON OK Photo 2 720x720 1 5 pass MC1 2 240cps ON ON OK Photo 2 720x720 2 0 pass MC2 2 280cps ON ON OK Super Photo 1440x1440 MC1 5 200cps ON ON OK Photo Paper Glossy EAI Glossy Photo Paper others Fine 720x360 MC1 1 240cps ON ON OK Photo 2 720x720 1 5 pass MC1 2 240cps ON ON OK Photo 2 720x720 2 0 pass MC2 2 280cps ON ON OK Super Photo 1440x1440 MC1 5 200cps ON ON OK Prem...

Page 12: ...x360 MC1 1 240cps ON ON OK Photo 2 720x720 1 5 pass MC1 2 240cps ON ON OK Photo 2 720x720 2 0 pass MC2 2 280cps ON ON OK Super Photo 1440x1440 MC1 5 200cps ON ON OK Photo Paper Glossy EAI Glossy Photo Paper others Fine 720x360 MC1 1 240cps ON ON OK Photo 2 720x720 1 5 pass MC1 2 240cps ON ON OK Photo 2 720x720 2 0 pass MC2 2 280cps ON ON OK Super Photo 1440x1440 MC1 5 200cps ON ON OK Premium Prese...

Page 13: ...1117 6 mm 3 56 x 5 08 13 16 x44 7 Y Y Y Premium Inkjet Plain Paper A4 210 x 297 mm 8 3 x11 7 0 11 80 21 Y Y Premium Bright White Paper EAI Letter 215 9 x 279 4 mm 8 5 x11 0 11 90 24 Y Bright White Inkjet Paper others A4 210 x 297 mm 8 3 x11 7 0 13 92 5 25 Y Y Ultra Premium Photo Paper Glossy EAI Ultra Glossy Photo Paper others Letter 215 9 x 279 4 mm 8 5 x11 0 30 290 77 Y Y A4 210 x 297 mm 8 3 x11...

Page 14: ... Y 8 x 10 203 2 x 254 mm Y Y Double sided Matte Paper Letter 215 9 x 279 4 mm 8 5 x11 0 22 185 49 Y A4 210 x 297 mm 8 3 x11 7 Y Y Presentation Paper Matte EAI Photo Quality Inkjet Paper others Letter 215 9 x 279 4 mm 8 5 x11 0 12 102 27 Y A4 210 x 297 mm 8 3 x11 7 Y Y Y Envelopes 10 104 8 x 241 3 mm 4 125 x9 5 75 90 20 24 Y Y Y DL 110 x 220 mm Y Y C6 114 x 162 mm Y Y Iron On Transfer Paper EAI Iro...

Page 15: ...rinting Area Margins Print Mode Paper Size Margin Left Right Top Bottom Standard print Any size 3 mm 3 mm 3 mm 3 mm Envelope 5 mm 5 mm 3 mm 20 mm Borderless print A4 Letter to 5 x 7 2 54 mm 2 54 mm 2 96 mm 4 02 mm 4 x 6 1 34 mm 2 54 mm Card 1 83mm 1 83mm 2 54mm 3 53mm Print Area LM RM TM BM BM Cut Sheet Standard Cut Sheet Borderless Paper Size LM RM TM BM Print Area LM RM Print Area Envelope Paper...

Page 16: ... 5 A Rated frequency 50 to 60 Hz Input frequency range 49 5 to 60 5 Hz Insulation resistance 3000 V for one minute Energy conservation International Energy Star Program compliant Power consumption Printing ISO10561 Letter Pattern Approx 12 W Approx 12 W Sleep mode Approx 1 0 W Approx 1 2 W Standby mode power off Approx 0 2 W Approx 0 3 W Table 1 10 Environmental Conditions Condition Temperature 1 ...

Page 17: ... PC on Premium Glossy Photo Paper in highest quality 1 4 5 Safety Approvals Safety standards EMI USA UL60950 1 FCC Part15 Subpart B Class B Canada CAN CSA C22 2 No 60950 1 CAN CSA CEI IEC CISPR 22 Class B Mexico NOM 019 SCFI 1998 Taiwan CNS13438 Class B CNS14336 EU EN60950 1 EN55022 Class B EN61000 3 2 EN61000 3 3 EN55024 Germany EN60950 1 Russia GOST R IEC60950 1 CISPR 22 Singapore IEC60950 1 Kor...

Page 18: ...ED orange 1 Lights or flashes when an ink related error occurs 2 Paper LED orange 1 Lights or flashes when an paper or CD R related error occurs 2 Power Button Paper Button Ink Button Power LED Paper LED Ink LED Table 1 13 Operation Button Functions During Normal Operation Button Function Power Turns the power ON OFF Ink Runs a sequence of ink cartridge replacement The carriage moves to set the in...

Page 19: ... 1 31 21 51 41 71 61 81 20 10 40 30 60 50 80 70 90 11 1 31 21 51 41 71 61 81 20 10 40 30 60 50 80 70 90 11 1 31 21 51 41 71 61 81 20 10 40 30 60 50 80 70 90 11 1 31 21 51 41 71 61 81 20 10 40 30 60 50 80 70 90 11 1 31 21 51 41 71 61 81 20 10 40 30 60 50 80 70 90 Note The numbers shown in the figure are nozzle numbers The numbers and color names are not printed on an actual nozzle check pattern 720...

Page 20: ...k pads and reset the counter CD R guide error The CD R guide stacker position does not match with the print job The CD R guide stacker is in the CD R printing position at power ON Attach the CD R guide stacker to the proper position Paper jam A paper jam has occurred When printing on paper Remove the jammed paper and press the Paper button 1 When printing on CD R Remove the jammed CD R tray and pr...

Page 21: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Page 22: ...tor ASF Unit Being powered by the PF motor feeds paper loaded on the ASF into the printer mechanism EJ Unit Being powered by the PF motor ejects paper or the CDR tray The EJ frame moves corresponding to the stacker position so that the frame matches with the paper size Ink System Located on the right side of the printer mechanism Covers the printhead with the cap holder when the printhead is not u...

Page 23: ...tridge detection CSIC 6 CR Encoder sensor Type Transmissive photo interrupter Resolution 180 pulse inch 7 PF Encoder sensor Type Transmissive photo interrupter Resolution 180 pulse inch 8 PW sensor Detecting items Left right edges of paper before during printing Top edge of paper before printing Bottom edge of paper during printing Left right top bottom of CDR before printing Type Reflective photo...

Page 24: ...sumption The printer carries out the following operations to go into sleep mode Decreases the power voltage Shuts off photoelectric current of photo interrupter sensors Stops the motor drive circuit Stops some part of the clock in the ASIC De energizes the motors Makes the head drive circuit go into standby state 2 2 2 Components of Control Boards Table 2 4 Main Boards Model Numbers Board Name R28...

Page 25: ...ress Data Address CN11 CN6 PE Sensor CPU ASIC IC5 Flash ROM IC1 Motor Driver IC8 SDRAM IC2 RESET IC IC3 EEPROM IC6 Serial Flash ROM IC4 USB CN1 C691 Panel Board C691 PSB PSE Board CR Motor PF Motor Print Head CR Encoder Sensor CN5 CN14 CN13 CN10 CN16 CN15 CN12 PF Encoder Sensor CN8 CN3 CR contact module Head Driver IC7 QM1 QM2 CN4 CDR Guide Sensor PW Sensor CN7 APG Sensor CN17 Cover Open Sensor CD...

Page 26: ...form the overlapping printing They carry out 1 path printing correcting ink drop amount for each raster mode in order to avoid making a gap between each path printed line This enables to achieve both high print quality less banding and high print speed Ultra Glossy Photo Paper Premium Glossy Photo Paper Glossy Photo Paper Premium Semigloss Photo Paper 4 x 6 inch 102 x 152 mm 720 x 720 PFP In the c...

Page 27: ...C H A P T E R 3 TROUBLESHOOTING ...

Page 28: ... tables to see if the motors or sensors are broken or not Note See 2 1 2 Motors Sensors p 23 for locations of the motors and sensors Start Identifying the error cause by the error message or observed symptom Repair or replacement of parts or components Reassembly and adjustment End Table 3 1 Motor Resistance Measuring Points Motor Motor Connector Measuring Points Resistance CR Motor CN14 Between P...

Page 29: ... LEDs or messages shown on the windows of EPSON Status Monitor 3 See 1 5 3 Operation Buttons LEDs Functions p 18 LEDs Status Message box on the window of EPSON Status Monitor 3 Figure 3 2 Error Indication on EPSON Status Monitor 3 NOTE The part number of the Ink Cartridges shown in the Status Monitor 3 screen differs by destination LED Status Meaning No change Light Lights up normally Flash Flashe...

Page 30: ...on at power ON Table 3 11 p 41 Paper CDR jam Flash For sheets of paper turn off the printer and then remove any jammed paper by hand For a CD or DVD remove the CDR tray Next press the Paper button on the printer or click the Eject button if it appears on this screen A paper jam has occurred Table 3 8 p 36 No paper Light Reload the paper and manually set the front tray in the lower paper position T...

Page 31: ...Main Board 1 Connect the FFC correctly 4 3 2 Panel Assy Cover Open Sensor p 64 2 Is the Panel FFC damaged 2 Replace the Panel FFC 3 Is the Panel Board damaged 3 Replace the Panel Board P S ASSY 1 Is the P S ASSY connector cable not connected to CN3 on the Main Board 1 Connect the cable correctly 4 3 3 P S Assy p 68 2 Is the P S ASSY cable or the P S ASSY itself damaged 2 Replace the P S ASSY If th...

Page 32: ...dirt on the CR Guide Shaft Or is the shaft not adequately lubricated 1 Clean off any dirt on the shaft and apply adequate grease on it 6 1 3 Lubrication P 114 2 Is the PG cam chipped or broken 2 Replace the CR Guide Shaft 4 4 13 CR Unit p 86 CR Encoder 1 Is the Head FFC not connected to the CR encoder connector 1 Connect the Head FFC to the connector correctly 2 Is the CR encoder chipped or broken...

Page 33: ...e FFC to the PF encoder and the Main Board 4 3 1 Main Board Unit p 61 2 Is the PF encoder chipped or broken 2 Replace the PF encoder 4 4 10 PF Encoder PF Scale p 83 PF Scale 1 Is the PF Scale not moving freely centered between the sides of PF encoder sensor 1 Install the PF Scale or PF encoder correctly 4 4 10 PF Encoder PF Scale p 83 2 Is their any dirt on the PF Scale 2 Clean off any dirt on the...

Page 34: ... Printhead 1 Is the Printhead damaged 1 Replace the Printhead 4 4 2 Printhead p 72 Main Board 1 Is the Main Board damaged 1 Replace the Main Board 4 3 1 Main Board Unit p 61 Table 3 6 Troubleshooting for Cover Open Error Occurrence Timing Symptom Failed Part Check Point Remedy Reference At power on The Printer Cover is closed but the Cover Open error occurs Cover Open Sensor 1 Is the Cover Open Se...

Page 35: ...s detected Ink Cartridge 1 Is the memory chip on the cartridge chipped or broken 1 Replace the ink cartridge Head FFC 1 Is the Head FFC not connected to the Head Board and CN10 CN11 and CN12 on the Main Board 1 Connect the Head FFC to the Head Board and the Main Board 4 4 13 CR Unit p 86 4 3 1 Main Board Unit p 61 Head Board 1 Are the CSIC terminals chipped or broken 1 Replace the CSIC ASSY 4 4 2 ...

Page 36: ...y Front Paper Guide Assy 1 Is the Torsion Spring 0 22 attached incorrectly 1 Install the PE Sensor Lever and Torsion Spring 0 22 correctly 4 4 17 Front Paper Guide Assy p 92 Multiple sheets are fed at a time ASF Unit 1 Is the Retard Roller Assy not moving properly during the feeding operation 1 Attach the Extension Spring 1 98 on the back side of the Retard Roller Assy correctly 4 4 14 ASF Unit p ...

Page 37: ...r Front Paper Guide Pad 1 Is the Front Paper Guide Pad attached incorrectly 1 Install the pad correctly EJ Frame ASSY 1 Is the Star Wheel Holder detached 1 Attach the Star Wheel Holder correctly 4 4 9 EJ Frame Assy p 80 2 Is the EJ Frame Assy installed incorrectly 2 Install the EJ Frame Assy correctly 3 Has the EJ Frame Assy become deformed obstructing the paper path 3 Replace the EJ Frame Assy Th...

Page 38: ...tly to the ASF Frame and the Hopper 4 4 14 ASF Unit p 88 The LD Roller rotates normally but paper is not fed into the printer ASF Unit 1 Is there any paper dust on the LD Roller 1 Remove the paper dust on the LD Roller with a cloth moistened with alcohol If this does not solve the problem replace the ASF Unit The PF Motor drive force is not transmitted to the LD Roller shaft ASF Unit 1 Is the Exte...

Page 39: ...ression Spring 2 36 of the Change Lever detached 4 Replace the ASF Unit The LD Roller shaft is not set in the ASF home position and paper is always fed from the ASF Assy ASF Unit 1 Is the edge of the Change Lever chipped or broken 1 Replace the ASF Unit Table 3 9 Troubleshooting for No Paper Error Occurrence Timing Symptom Failed Part Check Point Remedy Reference LD Roller Clutch ASF Compression S...

Page 40: ...ith the CDR Tray Sensor become cracked 1 Replace the CDR Tray CDR Tray Sensor 1 Is the CDR Sensor cable not connected to CN4 on the Main Board 1 Connect the cable to the connector on the Main Board 4 4 18 CDR Tray Sensor p 94 4 3 1 Main Board Unit p 61 2 Is the CDR Tray Sensor damaged 2 Replace the CDR Tray Sensor The CDR Tray center detection sequence is interrupted and the tray is ejected CDR Tr...

Page 41: ...ain Board 1 Replace the Main Board 4 3 1 Main Board Unit p 61 Table 3 11 Troubleshooting for CDR Guide Error Occurrence Timing Symptom Failed Part Check Point Remedy Reference When printing on CDs DVDs The CDR Guide is set correctly but the error occurs CDR Sensor 1 Is the CDR Guide Sensor cable not connected to CN4 on the Main Board 1 Connect the cable to the cable on the Main Board 4 3 1 Main Bo...

Page 42: ... card and carry out the following operations 1 Set the post card in the ASF with the attached cloth facing the LD Roller or Retard Roller 2 Then holding the top edge press the button on the operation panel to load the card 3 Repeat Step 2 The paper dust or oil stain on the LD Roller or the Retard Roller surface is removed If this does not solve the problem replace the LD or Retard Roller The Picku...

Page 43: ...r Engage the gears in the paper feed mechanism correctly A malfunction of EJ Roller Is the EJ Roller moving correctly Engage the gears which transmit drive force to the EJ Roller Table 3 14 Troubleshooting Carriage Movement Problems Symptom Possible Cause Check Point Remedy Movements of the CR Unit during printing is abnormal Something interferes with the operation of the CR Unit Is there any obst...

Page 44: ...ion of the CR Encoder Is the Encoder FFC disconnected from the CR Encoder Board Connect the FFC to the board properly Is there any paper dust or dirt on the CR Encoder Remove any paper dust or dirt on the CR Encoder Is the Encoder FFC damaged or broken Replace the Head FFC Is the CR Encoder damaged or broken Replace the CR Unit PF Scale failure Is the PF Scale not moving freely centered between th...

Page 45: ...nd print a nozzle check pattern Repeat the operation several times Does the problem still appear Clean the Printhead surface with a cotton swab Ink cartridge failure Replace the ink cartridge with a new one and print a nozzle check pattern The printed pattern has no missing dots The cartridge is defective Use the new cartridge Poor connection of the Head FFC Check the FFC with a tester Does the re...

Page 46: ...Is the platen gap gap between the Printhead surface and the platen not properly set Adjust the platen gap properly Some gear s is are damaged Is are the gear s in the paper feed and ASF mechanisms damaged Replace the damaged gear s Dirt on the Printhead is preventing nozzles from firing ink straight toward the paper Run a cleaning cycle and make a test print Repeat the operation several times Does...

Page 47: ...erly The fuse burned out Is the fuse F1 on the PS Board burned out Replace the PS Board Abnormal voltage output of the PS Board Check the voltage output from the PS Board Is it abnormal When the voltage is normal Replace the Main Board When the voltage is abnormal Replace the PS Assy Table 3 18 Troubleshooting Ink Supply Problems Symptom Possible Cause Check Point Remedy An Ink Out error occurs Th...

Page 48: ...make a test print Repeat the operation several times Does the problem still appear Replace the Printhead Ink leakage clogging Is there any ink leakage found in the Printhead Reinstall the ink cartridge correctly If this does not solve the problem replace the ink cartridge or the Printhead Table 3 20 Troubleshooting Waste Ink Problems Symptom Possible Cause Check Point Remedy Waste ink is not prope...

Page 49: ... On the Windows PC go to My Computer Properties Hardware Device Manager Is the printer driver associated with Other Devices Uninstall the driver and reinstall it correctly following the instruction described in the User s Guide USB cable failure Replace the USB cable with a new one Does the USB communication between the printer and PC return to normal The USB cable is defective Use the new one Poo...

Page 50: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...

Page 51: ... need to work on the printer with power applied strictly follow the instructions in this manual Wear 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 Always wear gloves for disassembly and reassembly to avoid injury from sharp metal edges Use static discharge equipment such as anti static wrist straps when accessin...

Page 52: ...ughout this chapter to indicate the screw type more clearly Table 4 1 List of Tools Tool Part No Phillips Screwdriver No 1 1080530 Phillips Screwdriver No 2 Flathead Screwdriver Precision Screwdriver 1 flathead Tweezers Long nose pliers Acetate tape 1003963 2 pins thinner than Ø2mm Strong tape Table 4 2 List of Screw Types No Description Image 1 C B S 3x6 2 C B S 3x10 3 C B P 3x8 4 C B P 3x10 5 C ...

Page 53: ... the end of its service life replace the part after receiving prior approval from the user Clip Handle part 7mm 25mm 50mm Special Tool Table 4 4 Work Completion Checklist Classification Item Check Point Status Printer Unit Self test Is the operation normal OK NG On line Test Is the printing attempt successful OK NG Printhead print a nozzle check pattern Is ink discharged normally from all the nozz...

Page 54: ... with the carriage locked at its lock position First move the carriage to the lock position then attach the tape to the housing Figure 4 3 Securing the Carriage Packing Ink Cartridge Are the ink cartridges installed correctly OK NG Waste Ink Pads Is the remaining capacity of the waste ink pads enough OK NG Carriage position Is the carriage located at the position where the Printhead is covered wit...

Page 55: ...r Assy tape 60mm x 1 pc fold one end by 5mm Attach the strong tape to the center of the Stacker Assy as shown below The edge and backside of the Stacker have irregular steps Make sure to attach the tape along the shape Figure 4 5 Securing the Stacker Assy Securing the Stacker Cover tape 60mm x 1 pc fold one end by 5mm Have a commercially available 280mm width x 80mm length vinyl sheet to cover the...

Page 56: ...to Unlock the Carriage Unlocking the carriage is required for disassembly of some parts or components Carry out any of the following operations to unlock the carriage and move the carriage to other than its home position Power the printer and turn it off forcedly by disconnecting the power cable when the CR Unit is unlocked and moved away from the home position Turn the EJ Roller gear on the left ...

Page 57: ...pper Housing p 59 Main Board Unit p 61 Removing the Printer Mechanism p 69 Panel Assy Cover Open Sensor p 64 Printhead p 72 CR Scale p 74 APG Unit p 75 P S Assy p 68 Waste Ink Tray p 77 Waste Ink Pad p 77 Left Right Guide Stackers CDR Guide Sensor p 78 Ink System p 79 ASF Unit p 88 Upper Paper Guide p 90 CR Unit p 86 PF Motor p 83 EJ Frame Assy p 80 CR Motor p 84 Front Paper Guide Assy p 92 CDR Tr...

Page 58: ...the bushing of the ASF Unit by pushing the bushing outward Then remove the Paper Support Assy disengaging the left shaft preventing the Edge Guide projection from hitting against the other parts Figure 4 10 Removing the Paper Support Assy Printer Cover Shaft right Shaft left When reinstalling the Paper Support Assy match the projection and hole of the Edge Guide then attach the right shaft and the...

Page 59: ...Parts Components need to be removed in advance Printer Cover Paper Support Assy Removal procedure 1 Remove the four screws and remove the Upper Housing upward Screw C B P M3x10 tightening torque 5 7 kgf cm No 4 The numbers shown in the figure indicate the order of tightening the screws Figure 4 14 Removing the Upper Housing When installing the Stacker Assy insert the guide pins of the Stacker Assy...

Page 60: ...ing When installing the Upper Housing be careful of the following Do not pinch the cables Tighten the screws in the order given in Fig 4 14 p 59 Match the ribs of the Upper Housing shown in Fig 4 14 p 59 with the grooves of the Lower Housing As shown in Fig 4 16 match the A part of the Front Housing with the screw box of the Lower Housing Figure 4 16 Installing Upper Housing Rear Side Ribs Front H...

Page 61: ...ain Board Unit Power Supply Cable CR Motor Cable PF Motor Cable PE Motor Cable APG Sensor Cable Figure 4 18 Removing the Main Board Unit 1 Table 4 5 List of Connectors and their Destinations CN No Color Destination Number of pins CN3 White P S Assy 3pin CN4 White CDR Guide Sensor CDR Tray Sensor 4pin CN5 FFC Panel Board 8pin CN6 White PE Sensor 3pin CN7 Black APG Sensor 3pin CN8 FFC PF Encoder 5pi...

Page 62: ... Main Board Unit into the positioning hole of the Cable Holder Frame as shown in Fig 4 19 Tighten the screws in the order given in Fig 4 19 Rib 3 Left Side Main Board Unit 1 2 Positioning Holes and Guide Pins Upper Side After connecting the cables secure them with acetate tape following the procedures below 1 Route the Power Supply Cable closely along the Lower Shield Plate M B and secure the cabl...

Page 63: ...ening the screws 4 Remove the screw and remove the Main Board Unit Screw C B S M3x10 tightening torque 4 6 kgf cm No 2 Figure 4 22 Removing the Main Board C A U T I O N Do not apply unnecessary force on the screw receiving parts of the Lower Shield Plate M B as they are easy to deform When assembling or disassembling the Upper Shield Plate M B be careful of its sharp edges Screw Receiving Part 3 U...

Page 64: ...hooks of the Cable Holder Frame 5 Peel off the acetate tape A B to separate the CDR Sensor Cable from the Cover Open Sensor Cable Figure 4 23 Removing the Panel Assy 1 6 Remove the two screws Screw 3 pcs C B P M3x6 tightening torque 5 7 kgf cm No 1 Screw 3 pcs C B P M3x10 tightening torque 5 7 kgf cm No 4 7 From the bottom of the Printer insert a flathead screwdriver into the hole to disengage the...

Page 65: ...upward Cover Open Sensor cable faces its gray side upward 4 Route the cables through the two hooks of the Cable Holder Frame aligning the center of the tapes with the hooks Figure 4 25 Routing the Cables Upper Side CDR Sensor Cable Lower Side Cover Open Sensor Cable Hook A B C Ref Line Do not route the Panel FFC over the screw of the Cable Holder Frame Align the lower left end of the acetate tape ...

Page 66: ...the Panel Unit Screw C B P M3x10 tightening torque 3 5 kgf cm No 4 Figure 4 29 Removing the Panel Board Buttons 2 6 Disengage the hook on the back of the Panel Board and remove the Panel Board Figure 4 30 Removing the Panel Board Buttons 3 7 Release the liens from the guide pins of the Housing Panel B and remove the sense from the Housing Panel B 8 Disengage the nine hooks and remove the PS button...

Page 67: ... Sensor Holder match the hook and guide pins with the positioning holes shown in Fig 4 32 and insert the Panel Shield Plate into the groove of the Open Sensor Holder to secure the Panel Shield Plate Figure 4 32 Installing the Panel Unit Attach the Panel FFC with double sided tape along with the reference line shown in Fig 4 29 p 66 When installing the Panel Board match the guide pin with the posit...

Page 68: ...rite core from the groove of the Lower Housing 2 Remove the screw that secures the P S Assy and remove the P S Assy from the Lower Housing Screw C B P M3x10 tightening torque 5 7 kgf cm No 4 Figure 4 34 Removing the P S Assy When installing the P S Assy put the ferrite core into the groove of the Lower Housing and secure it with acetate tape as shown in Fig 4 34 A D J U S T M E N T R E Q U I R E D...

Page 69: ...er C A U T I O N Be careful of the four sharp edges shown in the figure below when assembling or reassembling Printer Mechanism Handling Precaution When lifting the printer hold parts shown in the figure below to prevent the frame from deforming Figure 4 35 Printer Mechanism Handling Precaution 1 Sharp Edge C A U T I O N Do not touch the PF Scale with bare hands or damage it If the Printer Mechani...

Page 70: ...e 4 40 Removing the Cover Case 6 Disconnect the connector of the CDR Guide Sensor Figure 4 41 Removing the Printer Mechanism 2 7 Remove the five screws and remove the Printer Mechanism Screw C B P P2 M3x8 tightening torque 5 7 kgf cm No 9 The numbers shown in the figure indicate the order of tightening the screws Figure 4 42 Removing the Printer Mechanism 3 C A U T I O N When removing the Waste In...

Page 71: ... 4 43 Cautions of inserting the Waste Ink Tube Match the positioning holes with guide pins two pairs shown in Fig 4 42 p 70 Tighten the screws in the order given in Fig 4 42 p 70 Make sure the Waste Ink Tube or cables are not pinched between the Printer Mechanism and the Lower Housing Top end of Waste Ink Tube Waste Ink Tray Waste Ink Tube Tube of Waste Ink Tray Rib Tube of Waste Ink Tray When ins...

Page 72: ...onnect the CSIC FFC from the connector on the CSIC Board Figure 4 46 Removing the CSIC FFC 4 While disengaging the hook of the Head FFC Cover Inner with a flathead screwdriver slide the Head FFC Cover Inner upward and remove it Figure 4 47 Removing the Head FFC Cover Inner C A U T I O N When removing the Head FFC Cover and the Head FFC Cover Inner do not use tools with sharp ends as the FFC may ge...

Page 73: ...e CSIC Assy 2 8 Remove the three screws and remove the Printhead Screw C B P M2 6x8 tightening torque 3 5 kgf cm No 5 The numbers shown in the figure indicate the order of tightening the screws Figure 4 51 Removing the Printhead 1 Hook A Back Side CSIC Assy Special Tool Hook B Back Side CSIC Assy Hook B Hook A Removal Direction Special Tool Back Side of CSIC Assy C A U T I O N Take extra care not ...

Page 74: ... the Main Frame 4 Pull out the CR Scale from the slit of the CR Unit 5 Turn the CR Scale 90 degrees in the direction of the arrow and remove the CR Scale from the hook Figure 4 53 Removing the CR Scale Tighten the screws in the order given in Fig 4 51 A D J U S T M E N T R E Q U I R E D Whenever the Printhead is removed replaced the required adjustments must be carried out Refer to 5 1 2 Required ...

Page 75: ...e APG Unit Screw C B S M3x6 tightening torque 7 9 kgf cm No 1 The numbers shown in the figure indicate the order of tightening the screws Figure 4 55 Removing the APG Unit 2 Remove the Combination Gear 10 15 2 Figure 4 56 Removing the Combination Gear 10 15 2 Install the CR Scale with its cut corner facing upward Hitch one end of the Torsion Spring to the hole of the CR Scale from the back side of...

Page 76: ...t Figure 4 57 Reinstalling the APG Unit 1 2 Put the pin through the positioning holes of the Spur gear 28 8 and the APG Unit Figure 4 58 Reinstalling the APG Unit 2 Pin 1 Positioning Hole Right PG Cam Spur Gear 28 8 APG Unit Pin Front Positioning Hole of Spur Gear 28 8 Back Positioning Hole of APG Unit 3 Install the APG Unit to the Main Frame Figure 4 59 Reinstalling the APG Unit 3 4 Check that th...

Page 77: ...ad C A U T I O N When removing the Waste Ink Tray take extra care not to spill ink and contaminate the printer and surroundings A D J U S T M E N T R E Q U I R E D Whenever the Waste Ink Tray is replaced the required adjustments must be carried out Refer to 5 1 2 Required Adjustments p 99 Waste Ink Tray Hook C A U T I O N When removing the Waste Ink Pad take extra care not to contaminate the print...

Page 78: ...e 5 7 kgf cm No 3 Figure 4 64 Removing the Left Right Guide Stacker CDR Guide Sensor Removal 1 Disengage the two hooks on the back of the CDR Guide Sensor and remove the CDR Guide Sensor Figure 4 66 Removing the CDR Guide Sensor C A U T I O N Be careful of the seven sharp edges shown in Fig 4 64 when assembling or reassembling Left Guide Stacker Left Guide Stacker Right Guide Stacker Sharp edge Wh...

Page 79: ...9 kgf cm No 1 The numbers shown in the figure indicate the order of tightening the screws Figure 4 68 Removing the Ink System 1 4 Slide the Ink System to the direction of the arrow and disengage the Ink System from the guide pin of the ASF Unit Figure 4 69 Removing the Ink System 2 C A U T I O N Take extra care not to spill ink and contaminate the surroundings Also when removing the Waste Ink Tube...

Page 80: ...ame and pull out the Head FFC through the cutout 3 Release the Head FFC from the three hooks of the Front Frame and peel off the double sided tape Figure 4 72 Removing the Head FFC When installing the Ink System be careful of the following Lubrication is required See the page given below for the lubrication information Lubrication of Ink System p 117 Insert the shafts of the Ink System into the po...

Page 81: ...the PF Encoder FFC from the back of the Cable Holder Frame Figure 4 74 Removing the PF Encoder FFC 8 Remove the screws on the right and left sides and remove the Front Frame Screw C B S M3x6 tightening torque 7 9 kgf cm No 1 The numbers shown in the figure indicate the order of tightening the screws Figure 4 75 Removing the Front Frame 9 Release the CDR Sensor Cable from the cable guide of the EJ ...

Page 82: ...hen installing the Front Frame screw it after securing the foot of the two EJ Frame Springs to the slits as shown in the figure Carefully handle the EJ Frame as the springs come off easily Figure 4 79 Reinstalling the Front Frame 2 When installing the Cable Holder Frame match the two hooks of the Cable Holder Frame with the positioning holes of the Main Frame and Front Frame as shown in Fig 4 73 p...

Page 83: ...Printer Mechanism PF Encoder PF Scale Removal procedure 1 Release the PF Motor Cable from the hook of the ASF Unit 2 Remove the two screws that secure the PF Motor Screw C P M3x6 tightening torque 3 5 kgf cm No 7 The numbers shown in the figure indicate the order of tightening the screws 3 Slide the PF Motor to pull it out through the cutout and remove the PF Motor Figure 4 81 Removing the PF Moto...

Page 84: ...eel off the three acetate tapes to release the CR Motor cable Figure 4 84 Removing the CR Motor 2 4 Insert a Phillips screwdriver with a shaft of 13cm or longer is recommended through the hole of the Front Frame remove the two screws and remove the CR Motor Screw C P M3x4 tightening torque 3 5 kgf cm No 6 The numbers shown in the figure indicate the order of tightening the screws Figure 4 85 Remov...

Page 85: ...the acetate tape B so that the CR Motor Cable faces toward you 4 Wrap the CR Motor Cable and PE Sensor Cable with acetate tapes 20 mm at the positions of the hooks 2 3 then secure the center of the acetate tapes with Hooks 2 3 Figure 4 86 Routing the Cable Hook PE Sensor 100mm between both ends of acetate tapes 60mm between both ends of acetate tapes PE Sensor Cable 40 mm from connector to end of ...

Page 86: ...ft and remove the Spring 2 5 Remove the washer by expanding the gap between the washer and the Right PG Cam using a pair of Tweezers and remove the Right PG Cam Figure 4 89 Removing the CR unit 2 6 Hold the CR Unit from the bottom and lift up the CR Shaft release from the bushing in the 1 2 order and remove the CR Unit with the Shaft from the Main Frame Figure 4 90 Removing the CR Unit 3 C A U T I...

Page 87: ...taching the right PG cam remove the APG Unit and install the cam matching its phase with the APG Unit Refer to Reinstalling the APG Unit p 76 When attaching the spring 2 and the washer for the Right PG Cam to the CR Shaft make sure to attach them to the positioning slits on the CR Shaft See Fig 4 89 p 86 When installing the Timing Belt make sure that it is not twisted and the lumpy side comes to t...

Page 88: ...ler Guide 1 C H E C K P O I N T Remove the Cartridge Cover following the steps below The Hinge Cover Cartridge need to be cut with a nipper or similar tool to be removed Therefore whenever replacing the Cartridge Cover the Hinge Cover Cartridge also must be replaced with a new one 1 Cut the convex portion of the Hinge Cover Cartridge with a nipper or similar tool 2 Disengage the hook from the open...

Page 89: ... on the rear side Screw C B S P4 M3x6 tightening torque 1 7 9 kgf cm 2 9 11 kgf cm No 8 The numbers shown in the figure indicate the order of tightening the screws Figure 4 100 Disengaging the Hooks ASF Unit 3 Disengage the two hooks 1 2 that secure the ASF Unit from the Main Frame 4 Remove the Combination Gear 10 15 2 then remove the ASF Unit while releasing the edge of the Change Lever from the ...

Page 90: ... is appropriate space at both the left and right of the Change Lever Tighten the screws in the order given in Fig 4 100 p 89 Install the LD Roller following the procedure below Make sure to apply grease referring to the page given below Lubrication of the ASF Unit p 118 1 Install the LD Roller aligning the arrow on the LD Roller with the arrow on the blade of the shaft Make sure the LD Roller is s...

Page 91: ...r Guide The two thin shafts indicated with the arrows are likely to break however the Upper Paper Guide does not need to be replaced even if the shafts become broken Because the shafts do not go on the bushings of the Printer Frame When installing the three springs secure the ends of the springs on the hooks of the Main Frame as shown in Fig 4 105 Figure 4 105 Installing the Springs A D J U S T M ...

Page 92: ...g torque 6 8 kgf cm No 9 Figure 4 107 Removing the Parallelism Bushing L 2 Disconnect the connector of the PE Sensor Cable on the rear side of the printer 3 Remove the screw that secures the Front Paper Guide Assy Screw C B S M3x6 tightening torque 7 9 kgf cm No 1 Figure 4 108 Removing the PE Sensor Cable 4 Pull out the EJ Ground Spring to the front side Figure 4 109 Removing the EJ Ground Spring ...

Page 93: ...aper Guide Assy p 115 1 2 Removal Direction Front Paper Guide Assy Cutout 2 When installing the Front Paper Guide Assy pull out the CDR Tray Sensor cable as shown below Figure 4 111 Routing the CDR Tray Sensor Cable Attach the long foot of the EJ Ground Spring as follows 1 put it through the gap under the portion contacts with the EJ Roller 2 let it contact with the Main Frame 3 let it contact wit...

Page 94: ...row to disengage its another hook and pull it out from the hole to remove it together with the CDR Guide Sensor Figure 4 114 Removing the CDR Tray Sensor Place the four tips of the Front Paper Guide Pad on the Waste Ink Pad Figure 4 113 Installing Front Paper Guide Pad When installing Parallelism Bushing L match the positioning hole with the guide pin shown in Fig 4 107 p 92 A D J U S T M E N T R ...

Page 95: ...C H A P T E R 5 ADJUSTMENT ...

Page 96: ...or the target market Select the target market The selected market settings are automatically written to the main board Adjustment Program Head ID input This must be carried out after replacing the printhead in order to enter the new printhead ID Head ID that reduces variation between printheads Enter the ID printed on the Head QR code label attached on the printhead The correction values are autom...

Page 97: ...e for each of the left right top and bottom PF adjustment Corrects variations in paper feed accuracy when using the Microweave to achieve higher print quality A PF adjustment pattern is printed Examine the printout patterns and select the value for the best pattern The correction value is registered Adjustment Program BRS PFP adjustment This adjustment is made to ensure high print quality at high ...

Page 98: ... After replacing the Waste Ink Pad reset the counter to its default Adjustment Program Ink charge This must be carried out after replacing the printhead in order to fill ink inside the new printhead The printhead becomes ready for print Filling ink inside the printhead is automatically performed Print a nozzle check pattern to check if all nozzles are firing ink properly Adjustment Program Table 5...

Page 99: ...t be carried out be sure to carry out them in the order given in the Priority row Table 5 4 Adjustment Items Priority 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PG adjustment EEPROM data copy Initial setting USB ID input Head ID input Waste ink pad counter Ink charge Initialize PF deterioration offset Disenable PF deterioration offset Top margin adjustment Head angular adjustment Bi D adjustment Fi...

Page 100: ...O O O O O O O Paper Eject Frame Assy Remove O O Replace O O Printer Mechanism Remove Replace O O O O O O O O O O Table 5 4 Adjustment Items Priority 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PG adjustment EEPROM data copy Initial setting USB ID input Head ID input Waste ink pad counter Ink charge Initialize PF deterioration offset Disenable PF deterioration offset Top margin adjustment Head angula...

Page 101: ...are printed as shown below Band pattern The following pattern is printed The lines below 0 80 are printed while the carriage moves from the home to the other side and lines below 80 0 are printed while the carriage returns to the home Figure 5 2 Head Angular Adjustment Band Pattern How to Judge Examine the printout patterns and enter the value 16 to 16 for the most straight lines Additional inform...

Page 102: ...ern is found reassemble replace the Print Head 5 2 3 Bi D Adjustment The pattern shown below is printed for each of the 7 print modes Figure 5 4 Bi D Adjustment Pattern How to Judge Find the pattern with no gaps or overleaps of the left and right pattern and enter the value of that pattern Additional information If an appropriate pattern is not printed enter the nearest value and then print the pa...

Page 103: ...ght 5 bottom and 3 left First dot position adjustment How to Judge Enter the value for the point where the PW adjustment pattern line and the First dot position adjustment pattern line overlap on the left of the paper Example In the left figure enter 2 since the lines overlap at 2 position 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

Page 104: ...rns are printed as shown below Figure 5 7 PF Adjustment bottom margin area Pattern How to Judge Enter the value for the one that has no gap or overlap between the upper block and the lower block Example In the above figure 0 should be selected Additional information In case that all patterns have gap or overlap select the value for the pattern which has the least gap or overlap and print the patte...

Page 105: ...atte etc Cleaning CR measurement VH detection CR home position seek PG typ Mechanical default 1 7 Plain paper EPSON special thin paper SF etc Rubbing with PG1 2 is avoided PG 2 35 Envelopes Rubbing with PG1 2 and 1 7 is avoided PG 4 2 CD R printing At ink replacement C A U T I O N The thickness gauge to be used must be free from dust and dirt and from deformation Be sure to clean it before use Tak...

Page 106: ...ing Belt to move the carriage to the right end 8 If the carriage comes in contact with the gauge adjust the Right Parallelism Bush to raise the carriage to a position where the Printhead does not come in contact with gauge 9 Move the carriage to the middle area of the platen and place 1 3 mm thickness gauges at the left and right ends of the platen 10 Pull the Timing Belt to move the carriage to t...

Page 107: ... PFP Adjustment Tools Paper Product Code Common PFP Base scale 1453980 BRS Matte Paper Heavyweight A4 PFP Premium Glossy Photo Paper 4 x 6 C A U T I O N Install the driver of the scanner to the PC in advance As the profile required for the adjustment is not prepared for scanners other than the ones specified below BRS PFP Adjustment can not be carried out by the other scanners Table 5 7 Specified ...

Page 108: ...tern Scanning the BRS Adjustment Pattern Printing the PFP Adjustment Pattern Scanning the PFP Adjustment Pattern Printing the PFP Check Pattern Judging the Check Pattern c d e C H E C K P O I N T When an error is displayed in the Adjustment program check the points below then carry out the adjustment again If an error occurs even after checking the points below change the scanner with a different ...

Page 109: ...ass and the scale is clean and the scale adjustment pattern is not tilted then repeat from step 5 Figure 5 14 PFP Base Scale and BRS Adjustment Pattern Position Viewed from the document glass of the scanner C H E C K P O I N T In the Adjustment program the identification code is used to distinguish whether the printer that printed the pattern and the printer to register the adjustment value is the...

Page 110: ... ROM If an error occurs check that the document table glass and the scale is clean and the scale adjustment pattern is not tilted then repeat from step 4 Figure 5 16 PFP Base Scale and PFP Adjustment Pattern Position When viewed from the document glass of the scanner C H E C K P O I N T In the Adjustment program the identification code is used to distinguish whether the printer that printed the pa...

Page 111: ...ite or overlapped bands in all the check patterns If any bands are found carry out the steps below 1 Re print the check pattern to see if the bands appear again 2 When bands appear in Step 1 try the PFP adjustment again from the beginning 3 When bands appear even after the re adjustment in step 2 determine that it is the mechanism failure and carry out check reassemble of the parts that was remove...

Page 112: ...C H A P T E R 6 MAINTENANCE ...

Page 113: ...ual cleaning varies depending on the mode 6 1 2 2 Maintenance request error Ink is consumed also for cleaning and flashing operations When the ink is used for cleaning and flashing operations the ink is drained to the Waste Ink Pads via the Pump The amount of the waste ink is stored as the waste ink counter into the EEPROM When the waste ink counter has reached the limit of the absorbing capabilit...

Page 114: ...he component and adversely affect the printer operation Observe the specified amount Never apply excess Table 6 1 Specified Lubricant Type Name EPSON code Supplier Grease G 71 1304682 EPSON Grease G 77 1455324 EPSON Lubrication Points Four points where contact with the Main Frame Type G 71 Application Amount ø 1 x 4 mm x 4 points Application Timing Apply before installing the Driven Pulley Remarks...

Page 115: ...ng the Front Paper guide Remarks Apply with Injector Make sure that the coated part of the PF Roller Shaft and rubber rollers on the EJ Roller are free from grease Front Paper Guide Assy left Application Point Application Point Front Paper Guide Assy right Application Point Lubrication Points EJ Frame Assy Busing Left Right back side Type G 71 Application Amount ø1 x 1mm x 2 points Right busing bo...

Page 116: ...cation Timing Apply after installing the CR Unit Remarks Apply with Injector Do not apply to the both ends 40mm from edge Move the CR Unit the left right to spread the grease evenly Rib Notch for spring Front Frame contact point right Application Point 2 1 5 mm from the top edge 2 10 mm from the top edge 1 Main Frame upper rear Except both ends 40mm Application Point Lubrication Points On the PG C...

Page 117: ... x 2 points Application Timing Apply before installing the CR Unit Remarks Apply with Injector Apply grease from the two lubrication holes Make sure that the Timing Belt is free from grease Contact point between CR Unit and CR Shaft 1 CR Shaft Application Point CR Shaft Contact point between CR Unit and CR Shaft 2 Application Point Apply from the holes Lubrication Points On the Main Frame where th...

Page 118: ...Spur Gear 28 8 Application Point Hole for LD Roller on ASF Unit Application Point Clutch side Lubrication Points Contact point between the LD Roller Shaft and the Hopper ASF Gear Type G 71 Application Amount ø 1 x 10mm x 3 points Application Timing Apply before installing the ASF Unit Remarks Apply with Injector Rotate the LD Roller Shaft so that the Curved Flat surface face up then apply grease t...

Page 119: ...ween the LD Roller and Hopper ASF Gear Type G 71 Application Amount ø 1 x 1 4 circle x 4 points Application Timing Apply before assembling the LD Roller Holder Remarks Apply with Injector Rotate the LD Roller Shaft so that the Curved Flat surface face up then apply grease to the specified parts LD Roller Shaft Curved surface Ribs beside the LD Roller Application Point ...

Page 120: ...C H A P T E R 7 APPENDIX ...

Page 121: ...d Diagram Parts List This manual does not provide exploded diagrams or parts list For the information see SPI Service Parts Information 7 2 Electrical Circuits The electric circuit diagrams below are shown at the following pages Main Board C691 MAIN Panel Board C691 PNL Power Board C691 PSB Power Board C691 PSE ...

Page 122: ...Model PM G860 Stylus Photo R280 R285 R290 Board C691 MAIN Rev A Sheet 1 1 ...

Page 123: ...Model PM G860 Stylus Photo R280 R285 R290 Board C691 PNL Rev A Sheet 1 1 ...

Page 124: ...Model PM G860 Stylus Photo R280 R285 R290 Board C691 PSB Rev A Sheet 1 1 ...

Page 125: ...Model PM G860 Stylus Photo R280 R285 R290 Board C691 PSE Rev A Sheet 1 1 ...

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Summary of Contents for Stylus Photo R290

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Epson Stylus Photo R290, Service Manual, Page: 123 / 125

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Summary of Contents for Stylus Photo R290

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