Download Free Service Manual and Resetter Printer at http://printer1.blogspot.
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.
PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) Personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, if ignored, could result in damage to equipment.
About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. Manual Configuration This manual consists of six chapters and Appendix. CHAPTER 1. TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 2.
Revision Status Revision Issued Date A September 16, 2005 Description First Release Download Free Service Manual and Resetter Printer at http://printer1.blogspot.
EPSON Stylus Photo R340/350 Revision A CONTENTS Chapter 1 Troubleshooting 1.1 Overview .............................................................................................................. 8 1.2 Warning/Error Messages and Possible Causes ..................................................... 9 2.3.21 Removing the CD-R Guide Assy. ........................................................... 2.3.22 Removing the Ink System ........................................................................ 2.3.
CHAPTER 1 TROUBLESHOOTING Download Free Service Manual and Resetter Printer at http://printer1.blogspot.
EPSON Stylus Photo R340/350 Revision A 1.1 Overview Table 1-1. Motor Wire-Wound Resistor This chapter describes how to troubleshoot problems. Be sure to see the tables provided in this chapter to identify the component that caused the problem you face. And follow the instructions in the table to troubleshoot the component. Also refer to the Motor Wire-Wound Resistor and Sensor Check Points. Motor PF Motor (ASF/Pump Motor) Connected Pin No. CN10 Check Point Pin 1 and 3 Pin 2 and 4 Resistance 3.
EPSON Stylus Photo R340/350 Revision A 1.2 Warning/Error Messages and Possible Causes The following tables explain the warning/error messages displayed on the LCD and the possible causes of them. The messages are displayed during the printer is performing various sequences (feeding paper, absorbing ink or etc.) or displayed responding to the operations the user made (turning the power on, loading paper or etc.). Table 1-3.
EPSON Stylus Photo R340/350 Revision A Table 1-3. LCD Error Messages and Possible Causes (continued) LCD Messages External device is not connected or media is not inserted. Backup canceled. Printer Condition Backup error (no external connection) Possible Causes Occurs in the following conditions: • An external device is not connected to the printer. • No media is set into the connected external device. • No image is stored on the memory card.
EPSON Stylus Photo R340/350 Revision A Table 1-3. LCD Error Messages and Possible Causes (continued) LCD Messages The CD/DVD guide is open. Close the guide to print on paper. Printer Condition CDR/DVD guide open Possible Causes Displayed in the following conditions: • The CDR Guide Assy. is opened when the printer started to print on a cut sheet. • The CDR Guide Assy. is opened during the printer is printing on a cut sheet. A name card is loaded onto the printer in landscape orientation.
EPSON Stylus Photo R340/350 Revision A Table 1-3. LCD Error Messages and Possible Causes (continued) LCD Messages No memory card or disk inserted, or it cannot be recognized. Cannot recognize the memory card or disk. Cannot recognize the device. All photos for the specified layout are selected. [BK](T0148) [M](T0483) [C](T0482) [LM](T0486) [LC](T0485) [Y](T0484) The installed ink cartridges differ from the genuine EPSON ink cartridges listed below.
EPSON Stylus Photo R340/350 Revision A 1.3 Troubleshooting Be sure to first check the messages displayed on the LCD or the STM3 screen on a connected computer to identify the cause of the problem quickly. Then troubleshoot the problem following the instructions given in the tables in this section. When any components to be repaired or replaced are found, see Chapter 2 “Disassembly/Reassembly” to correctly reinstall or replace the components. 1.3.1 Troubleshooting by Error Message Table 1-4.
EPSON Stylus Photo R340/350 Revision A Table 1-4. Troubleshooting of Communication Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: Anywhere Symptoms The printer does not start up at all by turning the power On. Failed Part Power Supply Board Assy. Check Point Remedies 1. Check if the Power Supply Board cable is correctly connected to CN1 on the Main Board. 1.
EPSON Stylus Photo R340/350 Revision A Table 1-5. Troubleshooting of Ink-related Errors (Message 1 and 7) based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: Home position Symptoms An ink-related error occurs when the Carriage returns to the home position. Failed Part Ink Cartridge Check Point Remedies 1. Check if the memory chip on the cartridge is chipped or damaged. 1. Replace the Ink Cartridge with a new one. Memory Chip CSIC Connector 1.
EPSON Stylus Photo R340/350 Revision A Table 1-6. Troubleshooting of Fatal Errors based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: --- Symptoms The CR Motor does not start to operate at all by turning the power On. Failed Part CR Motor Check Point 1. Check if the CR Motor cable is correctly connected to CN11 on the Main Board. Remedies 1. Correctly connect the CR Motor cable to CN11 on the Main Board.
EPSON Stylus Photo R340/350 Revision A Table 1-6. Troubleshooting of Fatal Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: --- Symptoms The Carriage Unit hits against the Upper Paper Guide which has come off the Main Frame at power-on. Failed Part Check Point Upper Paper Guide 1. Check if the Upper Paper Guide has not come off the Main Frame. 1. Install the Upper Paper Guide correctly.
EPSON Stylus Photo R340/350 Revision A Table 1-6. Troubleshooting of Fatal Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: --- Symptoms The Carriage Unit hits against the right side of the Main Frame at power-on. Failed Part Check Point Remedies Head Cable 1. Check if the Head cable is correctly connected to the connector on the CR Encoder Sensor Board and CN9 on the Main Board. 1.
EPSON Stylus Photo R340/350 Revision A Table 1-7. Troubleshooting of Paper Out Error based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms Failed Part The LD Roller shaft rotates to feed paper, but the Hopper does not operate. ASF Assy. Check Point Remedies 1. Check the Hopper if it works properly during feeding paper. 1. Reattach the Compression Spring 2.51 between the ASF Frame and the Hopper properly. Compression Spring 2.
EPSON Stylus Photo R340/350 Revision A Table 1-7. Troubleshooting of Paper Out Error based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms The PF Motor drive cannot be transmitted to the LD Roller Shaft. Failed Part Check Point Shaft Assy. Holder 1. Check if the Extension Spring 0.143 in the clutch mechanism has not come off. Remedies 1. Attach the Extension Spring 0.143 to the clutch mechanism properly.
EPSON Stylus Photo R340/350 Revision A Table 1-8. Troubleshooting of Paper Jam Errors based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: Anywhere other than home position Symptoms Paper feeding operation is performed properly, but the paper cannot be sent into the printer. Failed Part ASF Assy. Check Point Remedies 1. Check if the ASF Assy. is properly installed. 1. Reassemble the ASF Assy. correctly. 2.
EPSON Stylus Photo R340/350 Revision A Table 1-8. Troubleshooting of Paper Jam Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: Anywhere other than home position Symptoms Paper is fed into the printer, but it is ejected immediately. Failed Part PE Sensor Check Point Remedies 1. Check if the Torsion Spring 0.22 is properly attached. 1. Engage the PE Sensor Lever and the Torsion Spring 0.22 properly.
EPSON Stylus Photo R340/350 Revision A Table 1-8. Troubleshooting of Paper Jam Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms Paper edge cannot go through between the EJ Roller and the Star Wheels. Failed Part EJ Frame Assy.* Check Point 1. Check if the Star Wheel Holder has not come off. EJ Frame Assy. Spur Gear 41.38* Remedies 1. Install the Star Wheel Holder correctly. Star Wheel Holder 2.
EPSON Stylus Photo R340/350 Revision A Table 1-8. Troubleshooting of Paper Jam Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms Failed Part Top edge of paper cannot be sent to the PF Roller. Upper Paper Guide* Check Point 1. Check if the Upper Paper Guide has not come off the Main Frame. Remedies 1. Install the Upper Paper Guide correctly.
EPSON Stylus Photo R340/350 Revision A Table 1-9. Troubleshooting of Errors at Opening the CD/DVD Guide based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: Home position Symptoms Failed Part Check Point The CD/DVD guide open error occurs at power-on even though the CDR Guide Assy. is held closed. Upper Housing 1. Check if the Tray/CDR Sensor flag on the Upper Housing is broken. Remedies 1. Replace the Upper Housing with a new one.
EPSON Stylus Photo R340/350 Revision A Table 1-9. Troubleshooting of Errors at Opening the CD/DVD Guide based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: Home position Symptoms Failed Part The CD/DVD guide open error occurs at power-on even though the CDR Guide Assy. is held closed. Stacker Lock Check Point 1. Check if the Stacker Lock and the Compression Spring 5.1 are properly engaged. Remedies 1.
EPSON Stylus Photo R340/350 Revision A Table 1-10. Troubleshooting of Name Card Insertion Error based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: At power-on • CR Position: Anywhere other than home position • Occurrence Timing: During operation • CR Position: --- Symptoms Failed Part The name card insertion error occurs at power-on. PE Sensor Check Point 1. Check if the PE Sensor cable is correctly connected to CN4 on the Main Board. 1.
EPSON Stylus Photo R340/350 Revision A Table 1-11. Troubleshooting of CD/DVD Tray Errors based on Observed Symptom Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms A CD/DVD Tray error occurs when attempting to print on a CD or DVD even though the CDR Tray is properly attached. Failed Part CD-R Tray Check Point 1. Check if the contact portion of the CDR Tray Sensor on the CDR Tray is broken. Remedies 1. Replace the CDR Tray Sensor with a new one.
EPSON Stylus Photo R340/350 Revision A Table 1-11. Troubleshooting of CD/DVD Tray Errors based on Observed Symptom (continued) Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms Failed Part Check Point Remedies The CDR Tray center detection sequence is canceled and the CDR Tray is ejected. CDR Tray 1. Check the white marking on the CDR Tray for any paper dust or contamination. 1. Clean the white marking area on the CDR Tray.
EPSON Stylus Photo R340/350 Revision A 1.3.2 Troubleshooting by Observed Symptom Table 1-12. Multi-Feed Occurs with No Error Messages displayed on the LCD or STM3 screen Occurrence Timing CR Position • Occurrence Timing: During operation • CR Position: --- Symptoms Failed Part Check Point Remedies Multiple sheets are always fed at a time from the ASF Assy., but no error messages are displayed on the LCD or the STM3 screen. ASF Assy. 1. Check the Retard Roller Assy.
EPSON Stylus Photo R340/350 Revision A Table 1-13. Abnormal Noises are Produced during Operation Occurrence Timing CR Position • Occurrence Timing: Anytime • CR Position: Anywhere Symptoms Failed Part Printing operations are performed properly, but abnormal noises are produced after turning the power On and during operations. Carriage Unit The bottom of the Carriage Unit comes into contact with the surface of the Front Frame. EJ Frame Assy.
EPSON Stylus Photo R340/350 Revision A Table 1-14. Print Quality Problems (continued) Problems • Dot missing Mixed colors Blank Pages Description Failed Part Although ink is properly discharged from the Print Head to the Cap, the problem still occurs even after executing a head cleaning or replacing ink cartridges.
EPSON Stylus Photo R340/350 Revision A Table 1-14. Print Quality Problems (continued) Problems • White bands/ Color unevenness Description Failed Part Vertical bands (perpendicular to the CR moving direction) appear on printouts with inconsistencies in density. Print Head 1. Print a nozzle check pattern and examine the printout patterns for any missing segments or broken lines. 1. Run a head cleaning and then print a nozzle check pattern again.
EPSON Stylus Photo R340/350 Revision A Table 1-14. Print Quality Problems (continued) Problems • White bands/ Color unevenness Description A vertical (perpendicular to the CR moving direction) white line (trace of Star Wheel) appears on printouts. Failed Part EJ Frame Assy. Check Point 1. Check if the Star Wheel Holder has not come off. EJ Frame Assy. Printouts are faint • Displacement of the print start position Printing operations are performed properly, but the top margin is narrower than usual.
EPSON Stylus Photo R340/350 Revision A Table 1-14. Print Quality Problems (continued) Problems • Ink smudges Description Failed Part Check Point Remedies Ink smudges appear on the top and bottom edges and backside of printouts. Front Paper Guide Porous Pad 1. Check if any part of the Front Paper Guide Porous Pad is separated from the Front Paper Guide. 1. Bring the Front Paper Guide Porous Pad into intimate contact with the Front Paper Guide.
CHAPTER 2 DISASSEMBLY AND ASSEMBLY Download Free Service Manual and Resetter Printer at http://printer1.blogspot.
EPSON Stylus Photo R340/350 Revision A 2.1 Overview W A R N IN G Disconnect the power cable before disassembling or assembling the printer. If you need to work on the printer with power applied, strictly This chapter describes procedures for disassembling the main components of the Stylus Photo R340/350. Unless otherwise specified, disassembled units or components can be reassembled by reversing the disassembly procedure. follow the instructions in this manual.
EPSON Stylus Photo R340/350 Revision A 2.1.2 Tools Table 2-2. Work Completion Checklist Classification Use only specified tools to avoid damaging the printer. Item Carriage Mechanism Table 2-1. Tools Tool Supplier Part Number Phillips Screw Driver (No. 0) EPSON 1080531 Phillips Screw Driver (No. 1) EPSON 1080530 Phillips Screw Driver (No.
EPSON Stylus Photo R340/350 Revision A 2.2 Ensuring the Quality of Disassembled/ Reassembled Printer Mechanism Removing the Lower Housing from the Printer Mechanism has been basically prohibited for the conventional low-end printers. Because the Main Frame of those printers is not so strong that it may be deformed due to the force exerted on it during removing or reinstalling the Lower Housing.
EPSON Stylus Photo R340/350 Revision A Caution on Attaching the ASF Assy., Main Board Assy., and Upper Paper Guide [Purpose] To prevent the Main Frame from deforming due to the force exerted on it during attaching the above three parts. [When Servicing] When attaching any of the three parts, be sure to support the Main Frame or components behind the part with your hand so that the force to attach the part is not exerted on the frame from only one direction. 3. CD-R Guide Assy. CD-R Guide Assy.
EPSON Stylus Photo R340/350 Revision A 2.3 Disassembly The flowchart below lists the step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Start Removing the Paper Support Assy. (p.42) C H E C K P O IN T Removing the Left Housing (p.43) Removing the Right Housing (p.44) Removing the Panel Board/ LCD Module (p.46) Removing the Main Board Assy. (p.54) Removing the Rear Housing (p.50) Removing the Stacker Assy. (p.
EPSON Stylus Photo R340/350 Revision A 2.3.1 Removing the Paper Support Assy. Parts/Components must be removed to remove the Paper Support Assy. None Illustration Disassembly Procedure Paper Support Assy. 1. Release the two guide pins ( remove it. ) that secure the Paper Support Assy. and Guide Pins Figure 2-2. Removing the Paper Support Assy.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Left Housing. 2.3.2 Removing the Left Housing None Illustration Disassembly Procedure Upper Housing Hooked Tab Left Side of Attaching Position the Printer 1. Remove the screw ( ) that secures the Left Housing. 2. Open the Printer Cover. 3.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Right Housing. 2.3.3 Removing the Right Housing None Illustration Disassembly Procedure Left Front Side of the Printer Card Slot Cover Hooked Tab Right Housing 1. Remove the screw ( ) that secures the Right Housing. 2. Open the Card Slot Cover and release the hooked tab ( Right Housing. 3. Push the Right Housing toward the rear of the printer to release the ten tabs ( ) and remove the Right Housing.
EPSON Stylus Photo R340/350 Revision A Reattaching the Card Slot Cover Spring z Insert the shorter leg of the spring into the groove of the upper guide pin ( ) of the Card Slot Cover, and secure the longer leg of the spring by the hooked tab ( ) on the Right Housing. Right Housing (inside) Hooked Tab Groove on the Guide Pin 2 1 Longer Leg Figure 2-6. Reattaching the Card Slot Cover Spring Reinstalling the Right Housing z Make sure there is no gap between the Right Housing and the Upper Housing.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Panel Board/LCD 2.3.4 Removing the Panel Board/LCD Module Module. Illustration (1) None Hooked Tab Attaching Position on the Panel Board Assy. 1. C A U T IO N Hooked Tabs Panel Shield Plate Push the two hooked tab attaching positions on the Panel Board Assy. with a flat-blade screwdriver to release the two tabs ( ) of the Cosmetic Panel and then release the upper right tab ( ). 3.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Panel Board 8. Release the four tabs ( ) that secure the Panel Board and remove it. 9. Remove the all buttons from the Housing Panel Assy. 10. Remove the two screws ( ) that secure the LCD Module. 11. Release the LCD Module from the two tabs ( ) by pulling the module toward the opposite direction of the tabs attached side, and remove the LCD Module from the Housing Panel Assy.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Upper Housing. 2.3.5 Removing the Upper Housing Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module) Illustration (1) Printer Cover Disassembly Procedure Acetate Tapes 1. Move the Carriage Unit to its home position. 2. Release the two tabs ( 3. Open the CD-R Guide Assy. 4. Remove the two pieces of acetate tape that secure the two ferrite cores. 5.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Rear Side of the Printer Hooked Tabs Optical Tube Sub Slot 8. Lift the front right edge of the Upper Housing to release the Optical Tube Sub Slot from the two guide pins ( ) on the Housing Slot. 9. Release the four tabs ( ) that secure the Upper Housing with a flat-blade screwdriver and lift the Upper Housing to remove it, then disconnect the Panel FFC and the LCD FFC. 10. Release the Panel Grounding Plate from the two guide pins ( Housing.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Rear Housing. 2.3.6 Removing the Rear Housing Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing Illustration C.B.P 3x8 (4-6kgf.cm) Rear Cover Disassembly Procedure Rear Housing Hooked Tabs Hooked Tabs 1. Remove the screw ( ) that secures the Rear Cover and remove it. 2. Remove the two screws ( 3.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Stacker Assy. 2.3.7 Removing the Stacker Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing Illustration Disassembly Procedure Stacker Shaft 1. Release the shaft of the Stacker Shaft with a flat-blade screwdriver and pull the left side of the Stacker Assy. toward you to remove the assy.
EPSON Stylus Photo R340/350 Revision A 2.3.8 Removing the Front Paper Guide Porous Pads Parts/Components must be removed to remove the Front Paper Guide Porous Pad. Illustration Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing Disassembly Procedure 1.
EPSON Stylus Photo R340/350 Revision A Reattaching the Front Paper Guide Support Porous Pad z Bend the support porous pad along the bend line at a right z Put the Front Paper Guide Porous Pad under the ribs and be sure that the pad is tightly fitted on the Front Paper Guide. Adjust the position of the Front Paper Guide Porous Pad so that the gap between the pad and the Front Paper Guide is 0.5 to 1.0 mm. angle, and attach it to the Front Paper Guide.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Main Board Assy. 2.3.9 Removing the Main Board Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing Illustration (1) Carriage Lock Carriage Unit Connectors LCD FFC Panel FFC Disassembly Procedure Two-sided Tapes Other Connector Cables M/B Grounding Plate 1 1. Unlock the carriage lock with tweezers and move the Carriage Unit to the center.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Illustration (3) Housing Slot PG Detector Holder C.B.P 3x8 (6-8kgf.cm) Optical Tube Slot 2 2 3 Contact Point C.B.S 3x6 (6-8kgf.cm) C.B.S 3x6 (4-6kgf.cm) C.B.P 3x8 (6-8kgf.cm) Positioning Grooves Figure 2-26. Removing the Main Board Assy. (3) 1 Lower Housing 1 Main Board Assy. 5. Remove the three screws ( ) that secure the Main Board Assy. 6.
EPSON Stylus Photo R340/350 Revision A Set the two positioning grooves ( ) of the Optical Tube Slot Tighten the screws to secure the Main Board Assy. in the order onto the two guide pins. See Figure 2-26. Set the two guide pins ( ) of the Housing Slot into the positioning holes. Make sure there is no gap between the Housing Slot and the shown in Figure 2-25. Lower Housing. Should be No Gap Guide Pins Lower Housing Figure 2-27. Reinstalling the Housing Slot Figure 2-29.
EPSON Stylus Photo R340/350 Revision A Align the Panel FFC and the LCD FFC with the lines marked on the side of the Main Board Assy., and secure them with twosided tape keeping the positions shown in the figure below. A D J U S T M E N T R E Q U IR E D Line Marked Gap 1 - 2 mm Gap 1 - 2 mm Figure 2-30. Routing the Panel FFC Disassembly and Assembly Disassembly Whenever the Main Board Assy. is replaced, be sure to perform the required adjustments in the order given below.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the ASF Assy. 2.3.10 Removing the ASF Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy. Illustration C.B.S(P4) 3x6 (8-10kgf.cm) C.B.S 3x6 (5-7kgf.cm) 2 Disassembly Procedure 3 Hooked Tab 4 ASF Assy. 3 5 ASF Screw (4-5 kgf.cm) C.B.P 3x8 (5-7kgf.cm) Acetate Tape 1.
EPSON Stylus Photo R340/350 Revision A Illustration C A U T IO N When performing the next step, be careful not to touch the Hopper Pad with bare hands. Compression Spring 2.51 Hopper Pad Hopper Extension Spring 0.45 Compression Spring 0.31 Hooked Tabs 1 Guide Pin 2 Guide Pin Figure 2-33. Handling the Hopper Pad 4. C A U T IO N ASF Frame Support Plate C.B.P 3x6 (3-5kgf.cm) Paper Back Lever When performing the next step, be careful not to lose the Compression Spring 0.31.
EPSON Stylus Photo R340/350 Revision A Reassembling the ASF Assy. z Hitch the L-shaped leg of the Torsion Spring 6.45 to the Reinstalling the ASF Assy. z Attach the Compression Spring 2.51 to the rib ( ) of the shaft of the Paper Back Lever, and hitch the other shorter leg of the spring to the groove of the ASF Assy. Hopper and the two ribs ( ) of the ASF Frame, and make sure that the Hopper moves smoothly. L-shaped Leg Ribs Torsion Spring 6.45 Shorter Leg Figure 2-34.
EPSON Stylus Photo R340/350 Revision A z Set the positioning groove of the ASF Assy. onto the guide z Tighten the screws in the order shown in Figure 2-31, so as pin. not to trap the PF Motor and PG Motor connector cables under the ASF Assy. z Tie the cables by wrapping acetate tape around them at the position shown in the figure below. Left Rear Side of the Printer Right Rear Side of the Printer Positioning Hole 2020m mm Figure 2-38. Reinstalling the ASF Assy.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Shaft Assy. Holder. 2.3.11 Removing the Shaft Assy. Holder Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy. Illustration Carriage Unit Head Cable Hooked Tabs Disassembly Procedure Anti-home Side 1 2 C.B.S 3x6 (6-8kgf.cm) Guide Pin 1. Move the Carriage Unit to the anti-home side. 2.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Removing the LD Roller Shaft Paper Block LD Roller Shaft Holder LD Roller LD Roller Shaft 6. Release the two tabs ( 7. Release the two tabs ( ) that secure the LD Roller Shaft and remove it together with the Clutch. Positioning Holes C A U T IO N Guide Pins When performing the next step, do not touch the LD Roller with bare hands. Guide Pins Spur Gear 36.8 L-shaped Leg Torsion Spring 0.
EPSON Stylus Photo R340/350 Revision A Reinstalling the PE Sensor z Route the PE Sensor connector cable as shown in Figure Reinstalling the Clutch z Attach the Extension Spring 0.143 to the Clutch in the 2-43. Be sure to route the cable under the two ribs of the LD Roller Shaft Holder. correct orientation as shown in the figure below. OK NG Ribs Figure 2-46. Reattaching the Extension Spring 0.143 z Set the positioning hole of the Clutch onto the guide pin. Figure 2-44.
EPSON Stylus Photo R340/350 Revision A Reinstalling the LD Roller Shaft z Put the leg of the Torsion Spring 137.7 onto the cam of the A D J U S T M E N T R E Q U IR E D LD Roller Shaft to hold down the cam by the spring. Whenever the LD Roller Shaft is replaced, be sure to apply proper amount of the G-74 oil to the specified points. (See Chapter 4 for details on the lubrication) Torsion Spring 137.7 Cam Figure 2-48. Setting the Torsion Spring 137.7 Reinstalling the Shaft Assy.
EPSON Stylus Photo R340/350 Revision A 2.3.12 Removing the CR Motor When performing the next step, be careful not to damage the pinion gear of the CR Motor. C A U T IO N Illustration Right Rear Side of the Printer 3. Remove the two screws that secure the CR Motor and remove it. Reinstall the CR Motor so that the lot number printed side faces upward. Tighten the screws to secure the CR Motor in the order shown CR Motor Connector Cable Driven Pulley Cable Tie in Figure 2-50.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Print Head. 2.3.13 Removing the Print Head Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing Illustration Carriage Lock Disassembly Procedure Carriage Unit Hooked Tabs FFC Holder C.B.P 2.5x6 (3-5kgf.cm) Hooked Tabs Head Cable Connectors IC Holder 1. Remove the all Ink Cartridges from the Carriage Unit. 2.
EPSON Stylus Photo R340/350 Revision A Make sure that the Head Cable is correctly connected to the Print Head. Set the two positioning holes ( ) of the Print Head onto the two guide pins. Positioning Holes Figure 2-52. Reinstalling the Print Head Tighten the screws to secure the Print Head in the order shown in Figure 2-51. A D J U S T M E N T R E Q U IR E D Whenever the Print Head is reinstalled or replaced, be sure to perform the required adjustments in the order given below.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Upper Paper Guide. 2.3.14 Removing the Upper Paper Guide Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder Illustration Upper Paper Guides Torsion Springs 122.2 3 PF Roller Assy. Transparent sheet 2 Disassembly Procedure 1 Lower Paper Guide Hooked Tabs 1.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Printer Mechanism. 2.3.15 Removing the Printer Mechanism Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder Illustration (1) C.B.S 3x6 (6-8kgf.cm) C.B 3x6 (4-5kgf.cm) Disassembly Procedure C.B.P 3x8 (6-8kgf.cm) 5 4 2 1 C.B.P 3x8 (4-5kgf.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Combination Gear 27.2,19.2 7. Change Lever Release the U-shaped leg of the APG Grounding Spring from the notch of the APG Assy. and release the C-shaped leg of the spring from the notch of the Main Frame, then remove the APG Grounding Spring. Beware of the following items when performing the next step. C A U T IO N The Change Lever and the Combination Gear 27.2,19.2 may come off. Be careful not to drop and damage them.
EPSON Stylus Photo R340/350 Revision A The correct installation position of the Printer Mechanism is ensured by carefully checking the specified points in relation to the Lower Housing. To ensure the installation accuracy, the position of the Main Frame must be checked in X, Y, and Z directions as described below. The Main Frame can be secured with the four hooked tabs and the two Main Frame Insulators only when the Main Frame is located at the correct position.
EPSON Stylus Photo R340/350 Revision A After making sure that the Waste Ink Tube is routed under the Lower Waste In Pad, attach the Upper Ink Eject Porous Pad Support to/in the position/orientation as shown in the figure below making it contact with the Waste Ink Tube. Right Rear Side of the Printer Upper Ink Eject Porous Pad Support Lower Waste Ink Pad Align the Edge of the Pad with here Upside OK NG Downside Figure 2-60.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Power Supply Assy. 2.3.16 Removing the Power Supply Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism Illustration Disassembly Procedure 1. Release the Power Supply Board connector cable from the two grooves ( on the Lower Housing. 2.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Waste Ink Pads. 2.3.17 Removing the Waste Ink Pads Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism, Power Supply Assy. Illustration Small Waste Ink Pads (on both the upper and lower sides) Upper Waste Ink Pad Lower Waste Ink Pad Disassembly Procedure 1.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Lower Housing. 2.3.18 Removing the Lower Housing Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism, Power Supply Assy., Waste Ink Pads, Stacker Assy. Illustration Lower Housing Disassembly Procedure Shaft Stacker Shaft Main Frame Insulator Hooked Tabs 1.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the APG Assy. 2.3.19 Removing the APG Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism Illustration Left Rear Side of the Printer Disassembly Procedure 1. APG Assy. Remove the screw ( ) that secures the APG Assy., and remove it. Reinstall the APG Assy.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Carriage Unit. 2.3.20 Removing the Carriage Unit Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism, APG Assy., Print Head Illustration (1) C.B.S 3x6 (7-9kgf.cm) Hooked tab CR Shaft Left Fixed Spring 2 C.B.S 3x6 (7-9kgf.cm) 1 Disassembly Procedure Rib 3 4 Rib 6 1.
EPSON Stylus Photo R340/350 Revision A Illustration (2) C A U T IO N Right Parallel Adjust Bushing Right Scale Holder CR Guide Shaft When performing the next step, be careful not to lose the Scale Holder Sliders. Right Side of the Printer Left Side of the Printer Scale Holder Sliders Right Side of the Printer C.B.S(P4) 3x6 (6-8kgf.
EPSON Stylus Photo R340/350 Revision A Illustration (3) 15. Remove the screw ( ) that secures the Left Parallel Adjust Bushing. 16. Pull out the guide pin ( Left Parallel Adjust Bushing C.B.S(P4) 3x6 (6-8kgf.cm) FFC Holder; B ) of the Left Parallel Adjust Bushing and remove it. 17. Remove the Timing Belt from the groove ( 2 ) of the Carriage Unit. 18. Remove the two screws ( ) that secure the FFC Holder; B with a No.1 screwdriver and remove it. C.P.B(P1) 1.7x5 (1.5-2.5kgf.cm) Guide Pin 19.
EPSON Stylus Photo R340/350 Revision A Illustration (4) Removing the PW Sensor Board 1. PW Sensor Board Connector C A U T IO N PW Sensor Cap Prevent the PW Sensor Board from falling down when removing the PW Sensor Cap as the board is secured by the cap and becomes unstable after the cap is removed. Hooked Tabs 2. Cartridge Lever Torsion Spring Guide Pin Cartridge Lever Notch and Guide Pin 1.
EPSON Stylus Photo R340/350 Revision A Reinstalling the CSIC Board z Make sure that the CSIC Board is securely fitted onto the correct position. z Tighten the screws to secure the IC Guide in the order shown in Figure 2-72. Reinstalling the PW Sensor Board z Make sure that the PW Sensor FFC is correctly connected. z Make sure that the PW Sensor Board is properly secured with the PW Sensor Cap.
EPSON Stylus Photo R340/350 Revision A Reinstalling the CR Scale z Make sure that the Extension Spring 3.289 is not twisted. z The cut corner of the left edge of the CR Scale should face A D J U S T M E N T R E Q U IR E D upward. Cut Corner Figure 2-76. Reinstalling the CR Scale (1) z Make sure to reinstall the CR Scale so that it runs through the slit of the CR Encoder Sensor. CR Scale CR Encoder Sensor Figure 2-77.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the CD-R Guide Assy. 2.3.21 Removing the CD-R Guide Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism, APG Assy., Print Head, Carriage Unit Illustration (1) Acetate Tape Main Frame Support Plate Disassembly Procedure 1.
EPSON Stylus Photo R340/350 Revision A Illustration (2) 7. C.B.P 3x6 (5-7kgf.cm) Lower CD-R Guide C A U T IO N 2 1 Hooked Tabs Remove the two screws ( ) that secure the Lower CD-R Guide. When performing the following steps, be careful not to lose the parts listed below. Tray Sensor Lever CD-R Sensor Lever Torsion Spring 2.8 Torsion Spring 4.26 Hooked Tabs Tray/CD-R Sensor 8. Slide the Lower CD-R Guide to release it from the seven tabs ( remove it. ) and 9.
EPSON Stylus Photo R340/350 Revision A Reinstalling the Tray Sensor Lever z Insert the Torsion Spring 2.8 onto the shaft of the Upper Reinstalling the CD-R Sensor Lever z Insert the Torsion Spring 4.26 onto the shaft of the Upper CD-R Guide. z Pull the L-shaped leg of the Torsion Spring 2.8 with tweezers in the direction shown in the figure below. z Set the positioning hole ( ) of the Tray Sensor Lever onto the shaft of the Upper CD-R Guide, and hitch the L-shaped leg of the Torsion Spring 2.
EPSON Stylus Photo R340/350 Revision A Reinstalling the CD-R Guide Assy. z Install the CD-R Guide Assy. first from its left side, and right side, and then the center portion. z Move the coiled part of the Right EJ Grounding Spring in the direction of the arrow, and hitch the shorter leg of the spring to the tab of the CD-R Guide Assy. while holding the other longer leg with your fingers. Bring the longer leg to contact with the surface of the EJ Roller Assy.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Ink System. 2.3.22 Removing the Ink System Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism Illustration (1) Acetate Tape Main Frame Support Plate Guide Pins Right EJ Grounding Spring Right Bottom Side of the Printer Right Front Side of the Printer C.B.S 3x6 (7-9kgf.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Spur Gear 25.6 Combination Gear 27.2,19.2 Combination Gear 20.82,24 Change Lever Guide Pins 7. Remove the Combination Gear 20.82,24, Spur Gear 27.2, Change Lever Assy., Combination Gear 27.2,19.2 from the Pump Assy. 8. Remove the Spur Gear 25.6 from the Change Lever. 9. Remove the Compression Spring 2.36 from the two guide pins ( Change Lever. 10. Release the Ink Tube from the two retainers ( Frame. ) on the bottom of the Cap 11.
EPSON Stylus Photo R340/350 Revision A Reinstalling the Slider Lock Lever z Make sure that the Slider Lock Lever moves correctly z Face the green line on the Ink Tube in the direction of the together with the Cap Slider. Reinstalling the Ink System z Make sure that the Ink Tube is connected at the position shown in the figure below. Improper connection of the tube may cause ink leakage. arrow, and attach the tube to the two retainers ( ) on the bottom of the Cap Frame in the order shown below.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the Front Paper Guide and 2.3.23 Removing the Front Paper Guide and EJ Roller Assy. EJ Roller Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism, APG Assy., Print Head, Carriage Unit, CD-R Guide Assy. Illustration (1) Spur Gear 41.
EPSON Stylus Photo R340/350 Revision A Illustration (2) Left Side of Left EJ Frame Left Push Up Plate Extension Spring the Printer Shaft Guide Left Side of the Printer Remove the Left Push Up Plate Extension Spring from the tabs ( Left EJ Frame Shaft Guide and the Main Frame. 8. Release the five tabs (three on the left ( ), two on the right ( the Left/Right EJ Frame Shaft Guides, and remove them. 9. Remove the Right Push Up Plate Extension Spring from the two tabs ( the Right EJ Frame Shaft Guide.
EPSON Stylus Photo R340/350 Revision A Illustration (3) Left Side of the Printer 12. Pull out the two guide pins ( ) of the left and right Bushing 5s that secure the EJ Roller Assy., and rotate the bushings in the direction of the arrow. EJ Roller Assy. Bushing 5 Guide Pin Right Side of the Printer Bushing 5 C A U T IO N Rubbers When performing the next step, be careful not to damage the rubbers of the EJ Roller Assy. 13.
EPSON Stylus Photo R340/350 Revision A Reinstalling the EJ Roller Assy. z Make sure the left and right Bushing 5s are correctly Reinstalling the EJ Frame Assy. z Put the left rear shaft of the EJ Frame Assy. through the secured. z When attaching the PF Timing Belt, be careful not to damage the teeth of the Spur Gear 41.38. z Make sure the EJ Roller Assy. moves smoothly.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the PF Motor. 2.3.24 Removing the PF Motor Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism Illustration PF Timing Belt Spur Gear 41.38 Left Side of the Printer Pinion Gear 4 Spur Gear 37.242 Compression Spring 1.
EPSON Stylus Photo R340/350 Revision A Parts/Components must be removed to remove the PF Roller Assy. 2.3.25 Removing the PF Roller Assy. Paper Support Assy., Left Housing, Right Housing, Panel Board Assy. (Panel Board and LCD Module), Upper Housing, Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder, Printer Mechanism, APG Assy., Print Head, Carriage Unit, CD-R Guide Assy., Front Paper Guide, Upper Paper Guide Illustration Rear Paper Guide Disassembly Procedure 1.
EPSON Stylus Photo R340/350 Revision A Reattaching the Rear Paper Guide which has become detached z Insert the both ends of the Torsion Spring 21.2 of the Rear Paper Guide into the holes ( ) of the Main Frame. Rear Side of the Printer Holes Torsion Spring 21.2 Figure 2-98. Reattaching the Rear Paper Guide Reinstalling the PF Roller Assy. z Set the guide pins of the Left/Right PF Roller Bushings into the positioning holes. Guide Pin Guide Pin Figure 2-99.
CHAPTER 3 ADJUSTMENT
EPSON Stylus Photo R340/350 Revision A 3.1 Adjustment Items and Overview This chapter describes adjustments to be made after the disassembly/reassembly of this product. 3.1.1 Replacement Part-Based Adjustment Priorities Note: The following table shows the adjustment items and their order for the replacement parts. “Required” in this table indicates the adjustment items that must be implemented when the corresponding parts/units have been removed or replaced.
EPSON Stylus Photo R340/350 Performance Priority 1 EEPROM Data Copy Revision A 2 3 Market Setting USB ID Input 4 Waste Ink Pad Counter 5 Ink Charge 6 Head ID Input 7 PG Adjustment 8 First dot Adjustment 9 PW Sensor Adjustment 10 Head Angular Adjustment 11 Bi-d Adjustment 12 Offset Input for CR Motor Calorific Limitation Shaft Assy. Holder Removal - - - - - - - - - - - - Shaft Assy.
EPSON Stylus Photo R340/350 Revision A 3.2 Adjustment by using adjustment program The procedures of the adjustment items will be explained here. Servicing Adjustment Item List The adjustment items of this product are as follows. For details of the adjustment items, refer to the detailed procedures and sketches of the adjustment items. Table 3-2.
EPSON Stylus Photo R340/350 Revision A Table 3-2. Adjustment Items Adjustment items Function Item Purpose Method Outline Used Media First Dot Adjustment This adjustment is made to correct the First Dot Position in the CR main scanning direction. Enter the correction value in the program using the rule position of the print pattern as a reference. The correction value is saved to the specific EEPROM address on the Main Board.
EPSON Stylus Photo R340/350 Revision A Maintenance items Table 3-3. Maintenance Functions Function Item Purpose Adjustment Outline Used Media Head Cleaning This function is used to execute Cleaning efficiently when ink is not delivered from the Head properly, e.g. dot missing or skewed injection. This function is used together with the Nozzle Check Pattern to confirm the Cleaning effects. Select this function to perform a power cleaning.
EPSON Stylus Photo R340/350 Revision A Table 3-5. Appendix Appendix items Function Item Purpose Adjustment Outline Used Media Save All EEPROM Data This function is used to analyze defective products. Save the data of all EEPROM addresses. Non-target Paper Feed Test Paper feeding/ejecting operations can be checked by this function. Specify the number of sheets to be fed and check the paper feeding operation.
EPSON Stylus Photo R340/350 Revision A 3.2.1 How to judge print samples by using the adjustment program This section explains how to judge print samples by using the adjustment program. Follow the instructions of the adjustment program for details of the adjustment methods. 3.2.1.2 Bi-d Adjustment The adjustment pattern is printed as shown below. VSD1 Dot Bi-D Adjustment BLACK 3.2.1.1 Head Angular Adjustment 7 2 4 6 The adjustment pattern is printed as shown below.
EPSON Stylus Photo R340/350 Revision A 3.2.1.3 PW Sensor Adjustment/First Dot Adjustment/Top Margin Adjustment The adjustment pattern is printed as shown below. -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 Selecting the best pattern Select the value beside the line located 5 mm away from the edge of the paper for each of the left, right, top and bottom margins.
EPSON Stylus Photo R340/350 Revision A Top Margin Adjustment Selecting the best pattern Select the value for the most neatly overlapped black (PW) and magenta (top margin) lines on the top side of the printout. Example) For the pattern shown below, the black and magenta lines are completely overlapped each other beside “-2”, so select “-2”. Line for Top Margin Adjustment (magenta) Line for PW Adjustment (black) -4 -3 -2 -1 0 Figure 3-5.
EPSON Stylus Photo R340/350 Revision A 3.3 Adjustment Except Adjustment Program Following is adjustment except Adjustment Program. 3.3.1 PG Adjustment [Adjustment Procedure] 1. Make both sides of the two Thickness Gauge (1.30mm and 1.46mm) clean by wiping with Bemcot with a little alcohol. 2. To make the PG position minus (-), turn the gear of the APG Assy. and match the flag centre of the Right CR Cam with the PG Sensor. [Purpose] Right CR Cam Gear of the APG Assy.
EPSON Stylus Photo R340/350 5. Revision A Move the Carriage Unit to the left edge of the printer, then set the Thickness Gauge (1.30mm) on the left ribs (x3) of the Front Paper Guide. 7. Remove the Thickness Gauge and move the Carriage Unit to the right edge. Then, set the Thickness Gauge on the right ribs (x3) of the Front Paper Guide. Ribs Ribs Thickness Gauge Thickness Gauge Figure 3-8. Setting Thickness Gauge 6. Figure 3-10.
EPSON Stylus Photo R340/350 9. Revision A After finishing PG Adjustment on the right, move the Carriage Unit to the left edge again, then check PG according to the flowchart in the Figure 3-12. 11. Check PGs on both the left and right according to the flowchart in the Figure 3-13. Start Start Check left PG. Move the Carriage Unit to the right by using the Timing Belt. Does the Thickness Gauge move? Note: Take down toward the printer front by 1 notch: PG gets narrower.
CHAPTER 4 MAINTENANCE Download Free Service Manual and Resetter Printer at http://printer1.blogspot.
EPSON Stylus Photo R340/350 Revision A 4.1 Overview 4.1.2 Service Maintenance This section provides information to maintain the printer in its optimum condition. If print irregularity (missing dot, white line, etc.) has occurred or the printer indicates “Maintenance Error”, take the following actions to clear the error. Head Cleaning 4.1.1 Cleaning If dot missing or banding phenomenon has occurred, use the Head Cleaning function and perform the Print Head cleaning operation.
EPSON Stylus Photo R340/350 Revision A Refer to the following figures for the lubrication points. 4.1.3 Lubrication The lubrication used for the components of Stylus Photo R340/350 has been decided on based on evaluation carried out by Epson. As a result, the specified amount of lubricant should be applied in the places specified when carrying out repair and maintenance work.
EPSON Stylus Photo R340/350 Revision A Point shown in the figure of the Paper Back Lever set in the ASF Assy. Paper Back Lever Lubrication Point 1. Cam of the LD Roller Shaft shown in the figure 2. Contact point between cam of the LD Roller Shaft and the Paper Back Lever LD Roller Shaft Lubrication Point 1 G-74 1. G-74 2.
EPSON Stylus Photo R340/350 Driven Pulley Assy. Revision A The Driven Pulley Assy. Lubrication Point (Inside Surface of Hole) G-26 Lubrication Point Specified points on the Right Scale Holder in the figure on the left Lubrication Point (Upper Surface) G-63 1mm x 4 points 8 points (Adequate dose) Use a syringe. (both metallic and plastic needles are OK.
EPSON Stylus Photo R340/350 Left CR Cam Revision A 1. Surface of contact point between upper side of the Left CR Cam and the Main Frame 2. Surface of contact point between periphery surface of the Left CR Cam and the Left Parallel Adjust Bushing Lubrication Point 1 Lubrication Point G-63 1mm x 3mm x 2 points 1. G-63 2. G-63 CR Guide Shaft Use a syringe with a plastic needle to apply it. 1.
EPSON Stylus Photo R340/350 Revision A The CR Guide Shaft outside the bearing of the Carriage Lubrication Point Lubrication Point Contact point between the Head Grounding Plate and the Carriage Head Grounding Plate G-63 G-63 120mg-160mg x 2 points Adequate dose • Use a air dispenser to apply it • Apply grease while rotating “CR Guide Shaft” Lubrication Point
EPSON Stylus Photo R340/350 PF Roller Assy. Front Paper Guide Lubrication Point Revision A Back of contact point between the PF Roller Assy. and hook of the Front Paper Guide G-26 1. Contact point between the EJ Frame and its shaft inside the Left EJ Frame Shaft Guide 2. Contact point between the EJ Frame and its shaft on upper surface of the Left EJ Frame Push Up Plate 1mm x 10mm 1. G-26 2.
EPSON Stylus Photo R340/350 Revision A Contact point between the Right EJ Frame Shaft Guide and the Front Paper Guide Right EJ Frame Shaft Guide PF Grounding Spring Rear Paper Guide G-26 1. G-26 2. G-26 1mm x 5mm Lubrication Point Left Bushing 5 Right Bushing 5 Lubrication Point Lubrication Point 1 Use a cotton-tipped swab to apply it Inside surface of Bushing 5 (EJ Roller Assy.
EPSON Stylus Photo R340/350 Revision A Two points on the Compression Spring 4.9 attached to the left side of the PF Roller Assy. Compression Spring 4.9 The area on the Rear Paper Guide shown in the left figure.
CHAPTER 5 APPENDIX Download Free Service Manual and Resetter Printer at http://printer1.blogspot.
EPSON Stylus Photo R340/350 Revision A 5.1 Block Diagram The following diagrams show the Printer Mechanism and the Main Board. CR Scale CR Encoder Sensor Retard Roller Compression Spring LD Roller PE Sensor Clutch Mechanism Timing Belt Pump Assy. CR Motor APG Motor PG Sensor CR Guide Shaft PF Roller Assy. Cap Assy. EJ Roller Assy. PF Motor Star Wheel PW Sensor Carriage Unit Tray/CD-R Sensor Figure 5-1.
EPSON Stylus Photo R340/350 Revision A SDRAM (IC3) Card Slot (CN13) Address Flash ROM (IC6) Card Slot (CN14) DAC (IC9) Data Card ASIC (IC15) Motor Driver (IC10) CPU-ASIC 2 in 1 (IC1) CN10 PF Motor CN11 CR Motor CN12 PG Motor SDRAM (IC4) Complex Circuit (IC2) C607 Power Supply Board CN1 C607 Panel Board CN6 USB Host (CN15) CN2 Tray/CD-R Sensor CN3 PG Sensor CN4 PE Sensor DAC (IC7) LCD CN5 Common Driver (IC5) Power Supply for USB Host (IC8) Q2, Q3 CN7 Print Head CN8 USB 2.
EPSON Stylus Photo R340/350 Revision A 5.2 Exploded Diagram 5.3 Electrical Circuits An exploded diagram is not provided in the Stylus Photo R340/350 Service Manual. If consultation of an exploded diagram is necessary, see the Exploded Diagram attached to the Stylus Photo R340/350 Parts List.
Model : PM-D800/Stylus Photo R340/350 Board : C607MAIN Rev.
Model : PM-D800/Stylus Photo R340/350 Board : C607MAIN Rev.
Model : PM-D800/Stylus Photo R340/350 Board : C607PSB Rev.
Model : PM-D800/Stylus Photo R340/350 Board : C607PSE Rev.
Model : PM-D800/Stylus Photo R340/350 Board : C607PNL Rev.
Model : PM-D800/Stylus Photo R340/350 Board : C607PNL-B Rev.
