Epson R320 - Stylus Photo Color Inkjet Printer Service Manual Download Page 2 | Manualshive

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Notice

All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means electronic, mechanical,
photocopying, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION.

The contents of this manual are subject to change without notice.

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.

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 trademarks or registered trademarks of their respective owners.

EPSON disclaims any and all rights in those marks.

Copyright

© 2004 SEIKO EPSON CORPORATION.

I&I CS/Quality Management & PL Department

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Summary of Contents for R320 - Stylus Photo Color Inkjet Printer

Page 1: ...EPSON StylusPhotoR320 Color Inkjet Printer SEIJ04005 SERVICE MANUAL ...

Page 2: ...s 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 tr...

Page 3: ...E 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 SAME AS THE RATED VOLTAGE LISTED...

Page 4: ...s 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 that is necessary to keep the product s quality Indicates an operating or maintenance procedure pr...

Page 5: ...ssued Date Description A September 3 2004 First Release B September 27 2004 Revised Contents Chapter 2 Checkpoint page 37 Newly added Page 47 48 52 54 55 68 69 Corrected errors Adjustment item for PF Timing Belt page 80 Deleted ...

Page 6: ...de Upper 66 2 3 16 Removing Printer Mechanism Housing Lower 67 2 3 17 Removing Power Supply Unit 71 2 3 18 Removing CDR Guide Assy 72 2 3 19 Removing Ink System 74 2 3 20 Removing Paper Guide Front Roller EJ Assy 77 2 3 21 Removing PF Motor 81 Chapter 3 ADJUSTMENT 3 1 Adjustment Items and Overview 83 3 1 1 Servicing Adjustment Item List 83 3 1 2 Replacement Part Based Adjustment Priorities 86 3 2 ...

Page 7: ...C H A P T E R 1 TROUBLESHOOTING ...

Page 8: ... The only way to judge it is visible status like if the motor rotates or not Naturally the accurate judgement is impossible so replace the motor when it is suspected START UNIT LEVEL TROUBLESHOOTING UNIT REPAIR ASSEMBLY AND ADJUSTMENT END Table 1 1 Motor Coil Resistance Motor Location Check Point Resistance PF Motor Same as ASF Pump Motor CN9 Pin 1 and 3 Pin 2 and 4 3 0Ω 10 25 C phase Table 1 2 Se...

Page 9: ...or error detection Communication Error This error is detected when the printer cannot communicate with the PC properly Ink Low Condition Blink Ink icon blinks Note Printing operation can be performed until it becomes ink end condition even after the error message is displayed on STM3 However the Head Cleaning operation may not be performed due to the Ink Low condition This error is detected when t...

Page 10: ...s in the Ink Cartridge to protect the Print Head from printing without ink No Ink Cartridge Blink Ink cartridges cannot be recognized Cyan T0482 For best results use genuine EPSON ink This error is detected when the Ink Cartridge has not installed or not installed properly Ink cartridges cannot be recognized Light Cyan T0485 For best results use genuine EPSON ink This error is detected when the pr...

Page 11: ...aring the jam This error is detected when 1 The posterior end of paper cannot be correctly detected with the PE Sensor in a paper loading 2 The rear of CD DVD cannot be correctly detected with the Star Wheel CDR Sensor in a CD DVD loading Maintenance Request On Service required Printer parts are at end of service life See printer manual for details This error is detected when the value of the Wast...

Page 12: ... when printing CD DVD Memory Card Error Non supported Memory Card On The inserted card cannot be used with this printer No Display This error is detected when nonstandardized Memory Card is inserted Bluetooth Module Error On Bluetooth Photo Print Adapter error Disconnect the Adapter from the printer then reconnect it No Display This error is detected when there is no response from Bluetooth Module...

Page 13: ...ss and hold both Power and Stop buttons for 7 seconds This error is detected when 1 Carriage Unit cannot move correctly by the external force in each operation 2 PF Motor cannot rotate correctly while PF Motor operates Table 1 3 LED LCD Indication and STM3 Printer status Maintenance LED indication LCD indication STM3 message Condition for error detection ...

Page 14: ...ssary operation by referring to Chapter 2 ASSEMBLY DISASSEMBLY Table 1 4 Check Points for Communication Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part Part Name Check Point Remedy At power on Anywhere When turning the power on the printer does not operate at all Power Supply Board 1 Check if Power Supply Board Cable is connected to the CN2 on Main Board 2 C...

Page 15: ... the Adjustment Program At power on Anywhere The printer does not perform the Ink Replacement Cleaning and the error is displayed on LED and STM3 Ink Cartridge 1 Check if the Ink Cartridge is normal by installing it in another printer 1 Replace the Ink Cartridge with a new one The printer does not perform any print operation and the error is displayed on LED and STM3 Ink Cartridge 1 Check if ink s...

Page 16: ... 143 in Clutch Mechanism has not come off 2 Check if Clutch has not come off from the dowel of Shaft LD Roller 3 Check if Clutch Tooth is not damaged 4 Check if Clutch is not damaged 1 Reassemble Extension Spring 0 143 in Clutch Mechanism 2 Reassemble the round portion of Clutch on the dowel of Shaft LD Roller 3 Replace Holder Shaft LD Roller with a new one 4 Replace Holder Shaft LD Roller with a ...

Page 17: ...does not rotate at all PF Motor 1 Check if PC Connector Cable is connected to CN9 on Main Board 2 Check if the coil resistance of PF Motor is approximately 3 0Ω with a tester Refer to Table 1 1 3 Check if PF Motor Connector Cable is damaged 1 Connect PF Motor Connector Cable to CN9 on Main Board 2 Replace PF Motor with a new one 3 Replace PF Motor with a new one At operation Holder Shaft LD Roller...

Page 18: ...n Main Board 2 Replace PF Motor with a new one 3 Replace PF Motor with a new one Paper feeding operation is performed normally but paper is not sent into the printer ASF Assy 1 Check if Roller Retard Assy operates properly while feeding paper 1 Reassemble Extension Spring 0 45 located rear side of Roller Retard Assy PE Sensor 1 Check if Torsion Spring 0 22 is not unfastened from PE Sensor Lever 2 ...

Page 19: ...ile feeding paper 1 Reassemble Extension Spring 0 45 back of Roller Retard Assy The leading edge of paper does not go through between Roller EJ Assy and Star Wheels Frame EJ Assy 1 Check if Star Wheels have not come off 2 Check if Frame EJ Assy is correctly assembled 3 Check if Frame EJ Assy is not transformed downward 1 Reassemble Star Wheels correctly 2 Reassemble Frame EJ Assy correctly 3 Repla...

Page 20: ...on Spring 0 22 has come off or PE Sensor is not set in the correct position However in the next operation a Paper Jam Error will be detected since PE Sensor Lever will maintain the High signal status There some cases where the jammed paper may damage Print Head by contacting the surface of Print Head nozzle when a Paper Jam Error occurs in each operation Table 1 7 Check Points for Paper Jam Error ...

Page 21: ...tact point of Housing Middle with Star Wheel CDR Sensor is cracked 1 Replace Housing Middle with a new one Star Wheel CDR Sensor 1 Check if Star Wheel CDR Sensor is connected to CN6 on Main Board 2 Check if Star Wheel CDR Sensor is damaged 3 Check if Star Wheel CDR Sensor cable is cut off 1 Connect Star Wheel CDR Sensor to CN6 on Main Board 2 Replace Star Wheel CDR Sensor with a new one 3 Replace ...

Page 22: ...Tray 1 Check if the contact point of CDR Tray with CDR Tray Sensor is cracked 1 Replace CDR Tray with a new one CDR Tray Sensor 1 Check if CDR Tray Sensor is connected to CN6 on Main Board 2 Check if CDR Tray Sensor is damaged 3 Check if CDR Tray Sensor Connector Cable is cut off 1 Connect CDR Tray Sensor to CN6 on Main Board 2 Replace CDR Tray Sensor with a new one 3 Replace CDR Tray Sensor with ...

Page 23: ...The Memory Card is not detected and an error is displayed on LED and STM3 Memory Card 1 Check if the Memory Card is compliant 2 Check if the Memory Card is damaged 1 Replace the Memory Card with a compliant one 2 Replace the Memory Card with a new one Main Board 1 Check if there is any damage on the slot pin of the loading slot for Memory Cards 2 Check if any elements on Main Board is damaged 1 Re...

Page 24: ... PF Motor is approximately 3 0Ω using a tester Refer to Table 1 1 3 Check if PF Motor Connector Cable is damaged 1 Connect PF Motor Connector Cable to CN9 on Main Board 2 Replace PF Motor with a new one 3 Replace PF Motor with a new one Ink System 1 Check if Compression Spring 2 36 of Lever Change has not come off 1 Replace Ink System with a new one Carriage Unit strikes on Paper Guide Upper which...

Page 25: ...Sound Occurrence Timing Position of CR Phenomenon Detail Faulty Part Part Name Check Point Remedy Any time Anywhere Makes abnormal sound in spite of the normal print operation at the first power on or some other time Carriage Unit 1 Check if there is enough grease on CR Guide Shaft 1 Wipe the remaining grease off on CR Guide Shaft and then lubricate it Ink System 1 Check if Lever Change moves smoo...

Page 26: ...colors appear on the printed sheet Phenomenon 4 When the printer is performing the Cleaning task the ink is drained into Waste Ink Pad However some missing dots occurs while printing Phenomenon 5 When the printer is performing the Cleaning task the ink is drained into Waste Ink Pad However missing dot occurs and the place where it occurs varies in every movement of the Cleaning Ink System 1 Check ...

Page 27: ...ontaminated awfully 2 Securely connect Head FFC to Main Board or the board on Print Head 3 Replace Head FFC with a new one 4 Perform Head Cleaning and check the Nozzle Check Pattern If the problem is not solved replace Print Head with a new one Striped pattern appears in a direction perpendicular to Carriage Unit movement Note If the problem is not solved replace CR Motor with a new one Carriage U...

Page 28: ...r Gear 37 242 is damaged or broken 1 Clean the surface of PF Roller 2 Replace Printer Mechanism with a new one 3 Replace Printer Mechanism with a new one Printer Driver and Special Paper 1 Check if appropriate paper is used in accordance with the Printer Driver settings 1 Use the appropriate type of paper in accordance with the Printer Driver Print Head 1 Check if Print Head prints correctly with ...

Page 29: ... 1 Check if any paper dust has adhered to the surface of LD Roller 1 Remove the dust by using a soft brush or soft cloth moistened with alcohol If the problem is not solved replace Holder Shaft LD Roller with a new one The print is light and thin Printer Driver and Special Paper 1 Check if appropriate paper is used in accordance with the Printer Driver settings 1 Use the appropriate type of paper ...

Page 30: ...lean the ink adhesion on Roller EJ Assy with a soft cloth Paper Guide Upper 1 Check if there is any ink adhesion on Paper Guide Upper 1 Clean the ink adhesion on Paper Guide Upper with a soft cloth PF Roller 1 Check if there is any ink adhesion on PF Roller 1 Clean the ink adhesion on PF Roller with a soft cloth Ink System 1 Check if the wiping operation has been performed correctly 1 Replace Ink ...

Page 31: ...C H A P T E R 2 DISASSEMBLYANDASSEMBLY ...

Page 32: ...jury from sharp metal edges To protect sensitive microprocessors and circuitry use static discharge equipment such as anti static wrist straps when accessing internal components Never touch the ink or wasted ink with bare hands If ink comes into contact with your skin wash it off with soap and water immediately If you have a skin irritation consult a physician When reassembling the waste ink pads ...

Page 33: ... normal Checked Not necessary On line Test Is the printing successful Checked Not necessary Print Head Is ink discharged normally from all the nozzles Checked Not necessary Carriage Mechanism Does it move smoothly Checked Not necessary Is there any abnormal noise during its operation Checked Not necessary Is there any dirt or foreign objects on the CR Guide Shaft Checked Not necessary Is the CR Mo...

Page 34: ...ion Is it the latest version Version Checked Not necessary Packing Ink Cartridge Are the ink cartridges installed correctly Checked Not necessary Protective Materials Have all relevant protective materials been attached to the printer Checked Not necessary Others Attachments Accessories Have all of the accessories been included in the package Checked Not necessary Table 2 2 Service Completion Pre ...

Page 35: ...sm without Housing Lower Manage the standard values for installation See below First remove Support Plate Frame Main Then remove Roller PF Assy Roller EJ Assy and Paper Guide Front Make sure to manage Waste Ink Tube Routing of Star Wheel CDR Sensor connector cable Assemble Cam CR Left while gearing with the APG gear Management of the reference position for installation Reason Accurate installation...

Page 36: ... may be deformed and cause the defective print operation Support for Service Hold the opposite side of the components securely when installing them 3 CDR Guide Assy Management of the level accuracy of CDR Guide Assy Reason Deformation of CDR Guide Assy may cause the defective print Support for Service Disassemble assemble carefully CDR Guide Assy How to secure the quality for reassembled products ...

Page 37: ...y 2 3 10 P 53 Removing Printer Mechanism Housing Lower 2 3 16 P 67 Removing Carriage Unit 2 3 14 P 60 Removing CDR Guide Assy 2 3 18 P 72 Removing Paper Guide Front Roller EJ Assy 2 3 20 P 77 Removing Paper Guide Upper 2 3 15 P 66 Removing Carriage Unit 2 3 14 P 60 Removing APG Assy 2 3 12 P 57 Removing Main Board 2 3 8 P 47 Removing Power Supply Unit 2 3 17 P 71 Removing Panel Board 2 3 6 P 45 Re...

Page 38: ...upport Assy External View Figure 2 2 Removing Paper Support Assy Parts Units which should be removed before removing Paper Support Unit None Procedure for Removing 1 Release the dowels x2 which secure Paper Support Assy Then remove Paper Support Assy from ASF Assy Dowels Paper Support Assy ASF Assy ...

Page 39: ...view Monitor Unit None Procedure for Removing 1 Raise the Preview Monitor Unit 2 Remove the screw x1 which secure Preview Monitor Unit 3 Release the hook x2 which secure Preview Monitor Unit Then lift the Preview Monitor Unit upward 4 Remove the Monitor FFC from the Preview Monitor Board connector Then remove Preview Monitor Unit Preview Monitor Unit C B P 3x8 2 4kgf cm Connector Monitor FFC Previ...

Page 40: ...g Upper 3 Release Carriage Lock with the tweezers or alike and then move Carriage Unit toward the centre 4 Release the hooks x4 which secure Housing Upper and then lift up Housing Upper 5 Detach Panel FFC from the connector of Panel Board and then remove Housing Upper Printer Cover Dowels Housing Upper C B P 3x8 4 6kgf cm 1 2 4 3 Carriage Unit Carriage Lock Hooks Hooks Connector Panel FFC Tighten ...

Page 41: ...emove the screws x4 which secure Housing Middle 5 Lay down the printer backward put a flat blade screwdriver or alike into the slot located on the bottom surface of Housing Lower and then release the hooks x2 which secure Housing Middle 6 Lift Housing Middle upward and remove it Fixed spring Core C B P 3x8 4 6kgf cm Panel FFC Two sided Tape Ferrite Core C B S 3x8 6 8kgf cm Housing Middle C B P 2 5...

Page 42: ...hing the Fixed spring Core Grounding Spring Ferrite Core Fixed spring Core Make sure that Panel FFC is securely set and it is not reaching the upper edge of the rib of Housing Middle as shown in the figure Figure 2 10 Mounting Panel FFC Make sure that the connector cable of Power Supply Board is securely set in the groove of Housing Lower Figure 2 11 Mounting the Connector Cable Make sure that Pan...

Page 43: ...lowing 3 types of porous pads from Paper Guide Front using the tweezers Porous Pad Paper Guide Front Porous Pad Paper Guide Front Support Porous Pad Paper Guide Front Left Figure 2 13 Gluing Point of Porous Pad Paper Guide Front Porous Pad Paper Guide Front Porous Pad Paper Guide Front Left Porous Pad Paper Guide Front Support Folding Points C A U T I O N Make sure to take Porous Pad Paper Guide F...

Page 44: ...stall Porous Pad Paper Guide Front in piles Put it under the rib and check if it is securely fit Adjust the clearance between Porous Pad Paper Guide Front and Paper Guide Front approximately in 0 5 1 0mm Reinstalling Porous Pad Paper Guide Front Support Insert the foot parts into the holes of Paper Guide Front Then put them under the rib and check if it is securely fit C A U T I O N Do not damage ...

Page 45: ... sided tapes x2 which secure Cover LCD from the back of Housing Upper Then remove Cover LCD C B P 3x8 5 7kgf cm Board Assy Panel 2 4 1 3 Line Mark Cover LCD Two sided Tapes Switch Panel Board LCD Panel Rib and Adjusting Hole Shield Plate LCD C B S 3x6 4 6kgf cm C A U T I O N Do not damage LCD Panel When removing Panel Board Unit the switch may detach and drop If this occurs reinstall it referring ...

Page 46: ...tacker Assy Paper Support Assy Preview Monitor Unit Housing Upper Housing Middle Procedure for Removing 1 Release the dowel which secures Stacker Assy by using a flat blade screwdriver or alike Then remove Stacker Assy Stacker Assy Dowel Match the dowels x2 of Stacker Assy and the installing holes x2 of Housing Lower Figure 2 16 Reinstalling Stacker Assy Installing hole Left Installing hole Right ...

Page 47: ...5 Remove the screw x1 which seccure Monitor FFC Holder Then remove the Monitor FFC Holder 6 Disconnect the Panel FFC and Monitor FFC from Main Board connector Grounding Spring M B Connector Two Sided Tape Shield Plate M B Panel FFC Main Board Connector Cable Main Board Assy C B P 3x8 6 8kgf cm C B P 3x8 6 8kgf cm 4 2 1 5 3 C B S 3x6 6 8kgf cm C B S 3x6 4 5kgf cm Connector Monitor FFC Holder C B 3x...

Page 48: ... P 3x6 4 6kgf cm Dowel 2 C B P 3x6 4 6kgf cm Positioning spring M B 8 2 1 C B 3x6 4 6kgf cm C B 3x6 4 5kgf cm C B S 3x4 4 6kgf cm 4 6 5 3 7 Shield Plate M B C P 2 5x6 3 5kgf cm C B 3x6 4 6kgf cm C B S 3x4 4 6kgfocm Main Board C B S 3x6 4 6kgf cm C B S 3x10 4 6kgf cm C P 3x4 3 5kgf cm Reinstalling Main Board Shield Plate M B Screw in the order as shown in Figure 2 18 Reinstalling Housing Support Sl...

Page 49: ... R E D When having replaced Main Board implement the adjustment in the following order Refer to Chapter 3 ADJUSTMENT When possible to read data from the old board 1 EEPROM data copy When impossible to read from the old board 1 Replace Waste Ink Pads with new one To count the amount of the waste ink 2 Market Setting 3 USB ID Input 4 Waste Ink Pad Counter 5 Head ID Input 6 First Dot Adjustment 7 PW ...

Page 50: ... Tape Then remove connector cable of PF Motor and PG Motor from the hook on ASF Assy 2 Remove the screws Screw Frame Main x3 which secure connector cable of PF Motor and PG Motor Then release the connector cable 3 Remove the screws x5 which secure ASF Assy Then remove ASF Assy to the back of the printer ASF Assy Connector Cable Screw Frame Main 5 7kgf cm 3 2 1 C B S P4 3x8 8 10kgf cm 2 5 Hook Acet...

Page 51: ...of Then remove Paper Back Lever 6 Remove the screws x2 which secure Support Plate Frame ASF 7 Release the hooks x2 which secure Extension Spring 0 45 Then remove Roller Retard Assy Compression Spring 2 51 Hopper Dowels 1 Paper Back Lever Compression Spring 0 31 C B P 3x6 3 5kgf cm Support Plate Frame ASF Dowel 2 Hools Extension Spring 0 45 Roller Retard Assy C A U T I O N When remove the Paper Bac...

Page 52: ...gure 2 24 Reinstalling Support Plate Frame ASF Torsion Spring 6 45 1 2 Reinstalling ASF Assy Install Compression Spring 2 51 on Hopper then check if Hopper moves smoothly Screw in the order as shown in the figure Make sure that there is no gap between ASF Assy and Frame Main Reattaching connector cable of PF Motor and PG Motor Tighten the screws in the order as shown in the figure A D J U S T M E ...

Page 53: ... Assy upward and release the hooks x2 with the tweezers or alike Then Release the dowel from Ink System Frame 4 Looking at the printer from its back side press down Paper Guide Upper on the left and release PE Sensor Lever from the slot Remove Holder Shaft Assy by sliding it to the right 5 Release Cable Head from the hooks x7 of Holder Shaft Assy Carriage Unit 80 digits Side Cable Head Ribs 1 2 Ho...

Page 54: ...lder Shaft LD Roller 3 Remove LD Roller from Shaft LD Roller Paper Block Spur Gear 36 8 Clutch Extension Spring 0 143 Shaft LD Roller Dowel PE Sensor Board Hook Torsion Spring 0 22 Lever Sensor PE Holder Shaft LD Roller LD Roller Dowel Dowel Dowel C A U T I O N Do not touch LD Roller with bare hands Reinstalling LD Roller Make sure to match the direction Mark indicated on Shaft LD Roller with the ...

Page 55: ...sure that the straight part of Torsion Spring 137 7 is set between the two cams LD Roller Reinstalling Holder Shaft Assy Check if the hooks x2 the dowel and the ribs x5 of Holder Shaft Assy are correctly secured Check if the connector cable of PE Sensor and Cable Head are installed at the correct position of Holder Shaft Assy Do not touch LD Roller with bare hands Do not damage the teeth of Spur G...

Page 56: ...move Timing Belt from the pinion gear of CR Motor 4 Remove the screws x2 which secure CR Motor Then remove CR Motor Carriage Unit Carriage Lock CN8 Puller Driven Timing Belt CR Motor C C 3x4 3 5 4 5kgf cm 1 2 C A U T I O N Do not damage the pinion gear when removing CR Motor Make sure to screw CR Motor in the order as shown in the figure Make sure that there is no gap between CR Motor and Frame Ma...

Page 57: ...ng 1 Disconnect the connector cable of PG Motor from CN7 of Main Board 2 Release the connector cables of PF Motor and PG Motor from the following points Take off the Acetate Tape x2 Remove from the hook on ASF Assy Cut the tie wrap Remove the screw Screw Frame Main x3 which secure the connector cable 3 Remove the screw which secures APG Assy Then remove APG Assy ASF Assy Connector Cable Acetate Ta...

Page 58: ...re securely attached to Frame Main Check if the part indicated in the following figure is inserted in the slits of Frame Main Figure 2 33 Reinstalling APG Assy Reattaching connector cable of PF Motor and PG Motor Tighten the screws in the order as shown in the figure Hook APG Assy Dowel It has to be inserted in the slit of Frame Main ...

Page 59: ...s x2 which secure Print Head with Phillips screwdriver No 1 7 Disconnect Cable Head from the connector of Print Head while slightly lifting Print Head Then remove Print Head Carriage Unit Carriage Lock C B P 2 5x6 3 5kgf cm Holder FFC Hooks Hooks Holder IC C B B P2 2 5x8 3 5kgf cm Cable Head Print Head 1 2 C A U T I O N Do not touch and or damage the nozzle surface of Print Head when handling it C...

Page 60: ...te CR while stepping aside the hook which has secured Fixed Spring CR Shaft Left 4 Remove the right side of CR Scale from Holder Scale Right 5 Pull out CR Scale from the back of Carriage Unit to the left Then release CR Scale from one of two hooks of Holder Scale Left first and next release Extension Spring 3 289 from the other hook 6 Remove Extension Spring 3 289 from CR Scale 7 Loosen the tensio...

Page 61: ...asher which secure the Holder Scale Left 12 Remove the E ring the flat washer and the spring washer from the left side of CR Guide Shaft Then remove Holder Scale Left 13 Release Cable Head from the hooks x8 of Holder Shaft Assy 14 Slide CR Guide Shaft to the right and pull it out from Cam CR Left Then remove Carriage Unit and CR Guide Shaft together 15 Pull out CR Guide Shaft from Carriage Unit Bu...

Page 62: ... 26 46 from Pulley Driven and the hook of Frame Main by using a flat blade screwdriver Then remove Extension Spring 26 46 2 Slide Pulley Driven in the direction of the arrow Then remove Frame Main from the slot Removing CR Encoder Sensor Board 1 Remove the screw which secures CR Encoder Sensor Board with Phillips screwdriver No 0 Disconnect PW Sensor FFC from the connector of CR Encoder Sensor Boa...

Page 63: ...by using the tweezers Then remove Lever Cartridge 3 Remove the screws x2 which secure Guide IC then release the hook with the tweezers And remove Guide IC 4 Release the hooks x2 which secure CSIC Board then push up CSIC Board from the slot located on the bottom of Carriage Unit with a flat blade screwdriver or alike Finally remove CSIC Board Hooks Cap PW Sensor PW Sensor Board Connector Torsion Sp...

Page 64: ...lling Holder Scale Right Left Check if Slider Holder Scale is set Figure 2 39 Reinstalling Slider Holder Scale Holder Scale Right Holder Scale Left Slider Holder Scale Reinstalling Carriage Unit Check if Timing Belt is correctly set to the installing groove of Carriage Unit Check if Grounding Plate Head is installed to the proper position of Carriage Unit Figure 2 40 Installing Position of Groundi...

Page 65: ... Pulley Driven Assy When having removed or replaced Carriage Unit or CR Guide Shaft implement the adjustment in the following order Refer to Chapter 3 ADJUSTMENT 1 PG Adjustment 2 First Dot Adjustment 3 PW Sensor Adjustment 4 Head Angular Adjustment Only Carriage Unit 5 Bi D Adjustment 6 Offset Input for CR Motor Calorific Limitation When Replace CR Guide SHaft When having removed or replaced PW S...

Page 66: ... 3 Release Torsion Spring 122 2 x3 from the hook 1 each of Frame Main then pull it out toward you 4 Release the hooks 2 each which secure Paper Guide Upper x3 upward Then release the dowels 2 each while slightly holding up Paper Guide Upper 5 Press down Paper Guide Lower and pull out Paper Guide Upper x3 toward you while avoiding the ribs 2 each of Frame Main Transparency Roller PF Assy Paper Guid...

Page 67: ...the centre of the printer 2 Remove the screws x3 which secure Paper Guide CDR 3 Remove the screws x5 which secure Printer Mechanism 4 Take off the acetate tape and release the connector of Star Wheel CDR Sensor 5 Cut off the tie wrap and release the connector cable 6 Release the hooks x4 which secure Printer Mechanism Then hold the both right and left upper edges of Frame Main and remove Printer M...

Page 68: ...te Ink Tube Porous Pad Ink Eject Upper Support Hook Reinstalling Printer Mechanism For this printer Housing Lower is the standard to correctly install each part of Printer Mechanism In order to ensure the accuracy for installing it is necessary to manage the reference position for Frame Main installation in X Y and Z direction as shown in the figure below If every part is set correctly Printer Mec...

Page 69: ... Ink Pad Lower Bottom Waste Ink Pad Small Cap Ink Pad Lower Small Top Cap Ink Pad Lower Large Bottom Figure 2 49 Reinstalling Waste Ink Pads 2 After checking Waste Ink Tube is under Waste Ink Pad Lower put the jig on the indicated points in the figure below then install Porous Pad Ink Eject Upper Support Figure 2 50 Reinstalling Porous Pad Ink Eject Upper Support Jig Porous Pad Ink Eject Upper Sup...

Page 70: ... Guide CDR in the order as shown in the figure Make sure that Waste Ink Tube is not squashed or pressed Check if Cap Assy moves smoothly A D J U S T M E N T R E Q U I R E D When having replaced Waste Ink Pads with new ones implement the following adjustment Refer to Chapter 3 ADJUSTMENT Waste Ink Pad Counter ...

Page 71: ...ield Plate Upper and then remove Shield Plate Upper 4 Remove the screws x4 which secure PSB PSE Board and then remove PSB PSE Board C B P 3x10 6 8kgf cm Power Supply Unit 1 2 3 Shield Plate Upper C B S 3x6 6 8kgf cm Hooks C B S 3x6 6 8kgf cm 4 5 4 2 1 3 C B S 3x6 6 8kgf cm Reinstalling PSB PSE Board Make sure to screw in the order as shown in the figure Reinstalling Shield Plate Upper Check if the...

Page 72: ... x2 which secure Support Plate Frame Main Then remove Support Plate Frame Main 3 Remove the screws x3 which secure CDR Guide Assy 4 Remove the flat washer which secure Link CDR Left Right with the tweezers Then Remove Link CDR Left Right from CDR Guide Assy 5 Release the ribs x7 which secure CDR Guide Assy then remove CDR Guide Assy through the right edge 6 Remove the screws x2 which secure CDR Gu...

Page 73: ...ling CDR Guide Lower Screw in the order as shown in the figure Reinstalling CDR Guide Upper Make sure that the hooks x2 of Lock Stacker are properly secured by the tension of Compression Spring 5 1 Make sure that CDR Guide Upper is securely secured with the hooks x7 of CDR Guide Lower and there is no gap between CDR Guide Upper and CDR Guide Lower Reinstalling CDR Guide Assy Install CDR Guide Assy...

Page 74: ...ever Change Assy and all the gears with your finger in order not to let them drop then remove Cap Assy and Pump Assy together 6 Remove Combination Gear 20 82 24 Spur Gear 27 2 Lever Change Assy and Combination Gear 27 2 19 2 from Pump Assy 7 Remove Spur Gear 25 6 from Lever Change 8 Remove Compression Spring 2 36 from the dowel of Lever Change 1 2 Support Plate Frame Main C B P 3x8 5 7kgf cm Dowel...

Page 75: ...ove Porous Slider Cap from the hook of Slider Cap Extension Spring 0 788 Extension Spring 0 441 Hooks Frame Cap Slider Cap Shaft Porous Pad Slider Cap Hook Lever Lock Slider Reinstalling Lever Lock Slider Check if it works properly with Slider Cap Reinstalling Ink System Make sure that the ink tube is correctly connected to the point of Frame Cap shown in the figure below If it is not connected pr...

Page 76: ...not squashed or pressed Install the ink tube to the grooves x2 at the bottom surface of Cap Frame Figure 2 58 Installing Point for the ink tube Reinstalling Ink System Check if Pump Assy is correctly secured Do not let Lever Change Combination Gear 27 2 19 2 Spur Gear 27 2 and Combination Gear 20 82 24 drop and break them Reinstalling Support Plate Frame Main Screw in the order as shown in the fig...

Page 77: ...8 4 Remove Compression Spring 1 27 and Holder Idle Roller together with PF Timing Belt 5 Move back Carriage Unit to the home position and then remove Frame EJ Assy in the direction of the arrow also in the order indicated in the figure 6 Remove the flat washer which secures Link EJ Left then Slide Link EJ Left to the right 7 Remove Extension Spring Push Up Plate Left from the hooks of Guide Shaft ...

Page 78: ...e Front 11 Remove the Porous Pad Paper Guide Front Porous Pad Paper Guide Left and Porous Pad Paper Guide Front Support x3 with tweezers from Paper Guide Front Refer to 2 3 5 Removing Porous Pad Paper Guide Front Left Support Guide Shaft Frame EJ Right Hooks Extension Spring Push Up Plate Left Paper Guide Front Roller PF Assy Hook C A U T I O N Do not touch Porous Pad Paper Guide Front Do not dama...

Page 79: ...ht Bushing 5 which secure Roller EJ Assy then turn them in the direction of the arrow 14 Pull out the right Bushing 5 rightward and pull out the left edge of Roller EJ Assy from the left side of Frame Main and then remove the Assy from right side of Frame Main Bushing 5 Bushing 5 Roller EJ Assy Rubber Rollers Grounding Spring EJ Left Dowel Dowel Grounding Spring EJ Right C A U T I O N When removin...

Page 80: ...At this time take care not to touch Porous Pad Paper Guide Front of Paper Guide Front with the cotton swab Reinstalling Roller EJ Assy Make sure that both left and right Bushing 5 are correctly secured Make sure that Grounding Spring EJ Left Right is correctly attached to the both ends of Roller EJ Assy When installing PF Timing Belt do not damage the teeth of Spur Gear 41 48 Make sure that Roller...

Page 81: ...7 and Holder Idle Roller together with Timing Belt 3 Remove the nuts x4 which secure PF Motor then remove PF Motor Hexagon Nuts M3 5 7kgf cm 1 2 3 4 Pinion Gear PF Motor Compression Spring 1 53 Only this point Insulator Motor PF Spacer Insulator Spur Gear 37 242 PF Timing Belt Spur Gear 41 48 Holder Idle Roller Compression Spring 1 27 C A U T I O N When removing PF Motor do not damage the pinion g...

Page 82: ...C H A P T E R 3 ADJUSTMENT ...

Page 83: ...gram to save it to the EEPROM on the Main Board Supplement Read the QR code label from left to right on the top row and from top to bottom in due order Exclusive servicing program Non target Head Angular Adjustment This adjustment is made to correct the error in the Print Head mounting position angle of the Print Head to the paper surface to keep the nozzle intervals uniform in the CR main scannin...

Page 84: ...g program and execute CL 3 Exclusive servicing program Non target Ink Charge This function is used to drain the Shipping Liquid in the ASP Print Head flow path and simultaneously fill ink in the head flow path to make all nozzles printable and stabilize the ink in the Print Head Select this function in the exclusive servicing program and execute the ink sucking operation equivalent to the Initial ...

Page 85: ...ether all adjustment results are normal Select this function in the exclusive servicing program print the print patterns and check the adjustment result in each pattern Exclusive servicing program GlossyPhoto Paper A4 CD R Print Check if the center position of CDR is correct This pattern is used to make a simple print check at the EPSON service company Exclusive servicing program Sheet CD Dummy No...

Page 86: ...Adjustment Head Angular Adjustment Bi d Adjustment Offset Input forCRMotor Calorific Limitation ASF Unit Removal Required ASF Unit Replacement Required CR Motor Removal Required Required Recommended Required CR Motor Replacement Required Required Recommended Required Required Paper Guide Upper Removal Paper Guide Upper Replacement Front Frame Removal Front Frame Replacement CR Unit Removal Require...

Page 87: ...E Board Replacement Required Paper Guide Front Removal Recommended Recommended Recommended Required Paper Guide Front Replacement Recommended Recommended Recommended Required PF Motor Removal PF Motor Replacement Waste Ink Pads Removal Waste Ink Pads Replacement Required PW Sensor Removal Required PW Sensor Replacement Required Printer Mechanism Removal 1 Recommended Printer Mechanism Replacement ...

Page 88: ...r Glossy Photo Paper Print 3 2 1 Market Setting Adjustment Procedure 1 Select the Market Setting of the Adjustment Program 2 Click the OK button to write the specific data into EEPROM 3 Click the Check button to check market and model name 3 2 2 USB ID Input Adjustment Procedure 1 Select USB ID in the Adjustment Program 2 Enter the 10 digits serial number from the label applied to the back side of...

Page 89: ...edure 1 Select Bi D Adjustment in the Adjustment Program 2 Click the Print button to print Bi D Adjustment Pattern 3 After selecting the pattern that has the smallest misalignment in each variable dot click the Go to input page button in the Adjustment Program 4 Click the Input button to write the adjustment value of checked items 5 Click the Go to print page button Treatment procedure for NG prod...

Page 90: ...gain Figure 3 3 PW Sensor Adjustment Pattern 3 2 7 First Dot Adjustment Adjustment Procedure 1 Select First Dot Adjustment in the Adjustment Program 2 Click the Print button to print First Dot Adjustment Pattern 3 Determine the adjustment value in the shifting direction for the pattern printed on the left margin Input can be made in 0 0176mm increments for the adjustment value of 1 4 Click the inp...

Page 91: ... Program 2 Click the Print button to print A4 Normal Paper Print Pattern 3 Check the adjustment result in each pattern 3 2 10 A4 Photo Quality Inkjet Paper Print Adjustment Procedure 1 Select A4 Photo Quality Inkjet Paper Print in the Adjustment Program 2 Click the Print button to print A4 Photo Quality Inkjet Paper Print Pattern 3 Check the adjustment result in each pattern 3 2 11 A4 Photo Paper ...

Page 92: ... Left Right Adjustment Procedure 1 Make both sides of the two Thickness Gauge 1 15mm and 1 31mm clean by wiping with Bemcot with a little alcohol 2 To make the PG position minus turn the gear of APG Assy and match the flag centre of Cam CR Right with PG Sensor Figure 3 5 Setting PG Position 3 Match the 0 position Hole point of gear of Bushing Parallel Adjust Left Right with the rib of Frame Main F...

Page 93: ...ward the printer back by 1 notch PG gets wider Take up PG gets wider Take down PG gets narrower Take down Bushing Parallel Adjust Left toward the printer front by 1 notch Go to Step 7 Start Take up Bushing Parallel Adjust Left toward the printer back by 1 notch Move Carriage Unit to the right by using Timing Belt Does the Thickness Gauge move Yes No Move Carriage Unit to the right by using Timing ...

Page 94: ... After screwing check PGs on both the left and right again according to the flowchart in the Figure 3 12 Yes No Take up PG gets wider Take down PG gets narrower Go to Step 10 Start Take up Bushing Parallel Adjust Left toward the printer back by 1 notch Move Carriage Unit to the right by using Timing Belt Does the Thickness Gauge move Yes No Move Carriage Unit to the right by using Timing Belt Does...

Page 95: ... only Updating starting operation Insert the memory card into the printer in advance turn on the printer while holding down the OK button Stop button and Print Start button simultaneously 3 Automatic execution of updating Updating is executed automatiaclly After updating start operation executed Status Process Writing Display Data being read from the memory card Flash ROM being erased When Flash R...

Page 96: ...and re save the update file Update File Error There is no FWE82TLS DAT file 1 Power off the printer 2 Save FWE82TLS DAT on the route directory Power was switched off midway during previous updating If the printer was powered off midway during Firmware updating a warning is given at the next updating Note that this applies to only the case where the same memory card is used for updating If power is...

Page 97: ...C H A P T E R 4 MAINTENANCE ...

Page 98: ...er utility and the Adjustment Program When performed by operating the Control Panel first make sure that the printer is in stand by status Then select the cleaning mode by pressing the Maintenance button on the Control Panel The message Beginning head cleaning will be displayed on LED By pressing the OK button the printer will start the cleaning sequence When selecting the manual cleaning by the p...

Page 99: ...When the value reaches the specified value Waste Ink Counter Waste Ink Pad Counter A variable between 20000 and 46750 The printer judges that the Waste Ink Pad has reached its predetermined limit The Maintenance Request Error will be displayed on Status Monitor 3 as shown below Figure 4 3 Maintenance Request Error Display on Status Monitor 3 If this occurs replace the Waste Ink Pad and reset the W...

Page 100: ...ponents or affect the printer functions Never apply a larger amount of oil or grease than specified in this manual Table 4 1 Oil Applied to Stylus Photo R320 Type Name EPSON Code Supplier Grease G 26 1080614 EPSON G 46 1039172 G 63 1218320 C A U T I O N When using G 64 it is recommended to use a flux dispenser 1049533 together Lubrication Point 1 Contact point between Grounding Spring PF and Rolle...

Page 101: ... 1 Contact point between Frame EJ and its shaft inside Guide Shaft Frame EJ Left 2 Contact point between Frame EJ and its shaft on upper surface of Push Up Plate Frame EJ Left Lubrication Type 1 G 26 2 G 26 Lubrication Amount 1 3 points Adequate dose 2 1 point Adequate dose Remarks Use a brush to apply it Lubrication Point 1 Contact point between Frame EJ and its shaft inside Guide Shaft Frame EJ ...

Page 102: ...Remarks Use a brush to apply it Roller EJ Lubrication Point 1 Surface of contact point between upper side of Cam CR Left and Frame Main 2 Surface of contact point between periphery surface of Cam CR Left and Bushing Parallel Adjust Left Lubrication Type 1 G 63 2 G 63 Lubrication Amount Half periphery Remarks Use a brush to apply it Lubrication Point Inside periphery surface of Cam CR Right Lubrica...

Page 103: ...brication Type G 63 Lubrication Amount 3mm x 2 points Remarks Use a syringe to apply it CR Guide Shaft 1 2 2 CR Guide Shaft Lubrication Point Contact point between left side of CR Guide Shaft and Fixed Spring Shaft CR Left Lubrication Type G 63 Lubrication Amount 3mm Remarks Use a syringe to apply it Lubrication Point Specified points on Holder Scale Left in the figure on the left Lubrication Type...

Page 104: ...surface Both sides Both sides Upper surface Upper surface Inside surface of hole Pulley Driven Assy Lubrication Point 1 Upper surface of curving area of Holder Idle Roller 2 Lower surface of curving area of Holder Idle Roller Lubrication Type 1 G 26 2 G 26 Lubrication Amount 1 2 points Adequate dose 2 2 points Adequate dose Remarks Use a brush to apply it Lubrication Point Inside surface of Guide ...

Page 105: ... G 63 Lubrication Amount 150mg 210mg x 2 points Remarks Use a syringe to apply it Lubrication Point Contact point between Grounding Plate Head and Carriage Lubrication Type G 63 Lubrication Amount Adequate dose Remarks Use a cotton tipped swab to apply it Lubrication Point 1 Cam of Shaft LD Roller shown in the figure 2 Contact point between cam of Shaft LD Roller and Paper Back Lever Lubrication T...

Page 106: ...ype G 46 Lubrication Amount Adequate dose Remarks Use a flux dispenser to apply it Paper Back Lever Hopper Lubrication Point 1 Point shown in the figure left 2 Contacted site of Paper Back Lever with the dowel Lubrication Type 1 G 46 2 G 46 Lubrication Amount Adequate dose Remarks Use a flux dispenser Lubrication Point Contact point between Flame Main and Torsion Spring 21 2 Lubrication Type G 26 ...

Page 107: ...C H A P T E R 5 APPENDIX ...

Page 108: ...vice Manual If consultation of an exploded diagram is necessary see the Exploded Diagram attached to the Stylus Photo R320 Parts List 5 2 Electrical Circuits The electric circuit diagrams below are provided on the following pages Main Board 1 C582MAIN Main Board 2 C582MAIN Power Board C536PSB Power Board C536PSE Panel Board C582PNL Sub Board C582SUB ...

Page 109: ...Model PM D770 Stylus Photo R320 Board C582MAIN Rev C Sheet 1 2 ...

Page 110: ...Model PM D770 Stylus Photo R320 Board C582MAIN Rev F Sheet 2 2 ...

Page 111: ...Model PM D770 Stylus Photo R320 Board C536PSB Rev C Sheet 1 1 ...

Page 112: ...Model Stylus Photo R320 Board C536PSE Rev D Sheet 1 1 ...

Page 113: ...Model PM D770 Stylus Photo R320 Board C582PNL Rev A Sheet 1 1 ...

Page 114: ...Model PM D770 Stylus Photo R320 Board C582SUB Rev B Sheet 1 1 ...

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