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SERVICE MANUAL
Color Inkjet Printer
EPSON Stylus Photo R300/R310
SEIJ03009
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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 info
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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. The precautionary measures itemized below should always be observed when performing repair/mainten
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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 Symbols Used in this Manual This manual consists of six chapters a
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Revision Status Revision Issued Date Description A October 30, 2003 First Release
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CONTENTS 2.3.19 Removing Paper Guide, Front/Roller EJ Assy. ....................................... 74 Chapter 1 TROUBLESHOOTING 2.3.20 Removing PF Motor ................................................................................ 78 1.1 Overview .............................................................................................................. 8 Chapter 3 ADJUSTMENT 1.2 Troubleshooting with LED/LCD Indications and Status Monitor 3 Message ..... 9 1.3 Unit Level Troubleshooting ..
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CHAPTER 1 TROUBLESHOOTING
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EPSON Stylus Photo R300/R310 Revision A Table 1-1. Motor, Coil Resistance 1.1 Overview Motor Location Check Point Resistance This chapter describes how to identify troubles in two levels: unit level repair and PF Motor Pin 1 and 3 component level repair. Refer to the flowchart in this chapter to identify the defective 3.0 Ω ±10% (Same as ASF/ CN9 (25°C/phase) unit and perform component level repair if necessary. This chapter also explains motor Pin 2 and 4 Pump Motor) coil resistance, Sensor
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EPSON Stylus Photo R300/R310 Revision A 1.2 Troubleshooting with LED/LCD Indications and Status Monitor 3 Message This section describes the LED/LCD indication, the STM3 message and the error condition when the printer detects an error in each operation such as the power on, the paper loading/feeding and the ink absorption operation. Table 1-3. LED/LCD Indication and STM3 Maintenance Printer status LCD indication STM3 message Condition for error detection LED indication This error is detected
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EPSON Stylus Photo R300/R310 Revision A Table 1-3. LED/LCD Indication and STM3 Maintenance Printer status LCD indication STM3 message Condition for error detection LED indication Ink Cartridge cannot be recognized. Error before ink Yellow: T0484 This error is detected when replacing the Ink Blink replacement Cleaning For best result, use genuine EPSON Cartridge, if the new cartridge is defective. ink. This error is detected when the ink consumption reaches about 90%. (Note) When the Ink Low C
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EPSON Stylus Photo R300/R310 Revision A Table 1-3. LED/LCD Indication and STM3 Maintenance Printer status LCD indication STM3 message Condition for error detection LED indication [Stylus Photo R300] This error is detected in either of the following Ink out. cases. Yellow: T0484 1. The ink consumption reached 100%. For best results, use genuine EPSON ink. 2. The Ink Cartridge is faulty. (CSIC memory data error) Ink Out Error On [Stylus Photo R310] Ink out. (Note) Black: T0491 If Ink Out Error
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EPSON Stylus Photo R300/R310 Revision A Table 1-3. LED/LCD Indication and STM3 Maintenance Printer status LCD indication STM3 message Condition for error detection LED indication [Stylus Photo R300] Ink Cartridge cannot be recognized. Yellow: T0484 For best result, use genuine EPSON This error is detected when ; ink. 1. The Ink Cartridge is not installed to No Ink Cartridge Blink "Carriage Unit". [Stylus Photo R310] 2. The Ink Cartridge is defective. Ink Cartridge cannot be recognized. Black:
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EPSON Stylus Photo R300/R310 Revision A Table 1-3. LED/LCD Indication and STM3 Maintenance Printer status LCD indication STM3 message Condition for error detection LED indication [Stylus Photo R300] CD/DVD tray load error. Reload tray and press Maintenance. This error is detected when "CD/DVD Tray" CD/DVD Tray Error On cannot be detected while CD/DVD printing. [Stylus Photo R310] The CD/DVD tray is not set correctly. Reload the tray, then press the Maintenance button. Memory Card Error The i
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EPSON Stylus Photo R300/R310 Revision A The following is the example of how to use the tables. 1.3 Unit Level Troubleshooting Example) When "Carriage Unit" is out of the home position at the power on timing, You can identify the troubles by using the checklist in this section after confirming the the Fatal Error may be caused by the failure of "CR Motor". Moreover, LED/LCD indication on the control panel or the error message displayed on STM3 of there are 3 possible causes on "CR Motor" fai
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EPSON Stylus Photo R300/R310 Revision A Table 1-5. Check Points for Error Before the Initial Ink Charge, Error Before Ink Cartridge Replacement Cleaning and No Ink Cartridge Error Occurrence Timing Faulty Part/ Phenomenon Detail Check Point Remedy Position of CR Part Name 1. Check if the Ink Cartridge is normal by installing it in 1. Replace the Ink Cartridge with a new one. Ink Cartridge another printer. The printer does not perform the Initial At power-on 1. Check if the correct data has bee
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EPSON Stylus Photo R300/R310 Revision A Table 1-6. Check Points for Paper Out Error to Each Phenomenon Occurrence Timing Faulty Part/ Phenomenon Detail Check Point Remedy Position of CR Part Name 1. Check if "Roller, Retard Assy." operates properly while 1. Reassemble "Extension Spring, 0.45" located feeding paper. the under side of "Roller, Retard Assy.". When feeding paper, the leading edge of paper is detected properly, but the paper ASF Assy. is ejected without being set at the print st
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EPSON Stylus Photo R300/R310 Revision A Table 1-6. Check Points for Paper Out Error to Each Phenomenon Occurrence Timing Faulty Part/ Phenomenon Detail Check Point Remedy Position of CR Part Name 1. Check if "Compression Spring, 2.36" of "Lever, Change" 1. Replace "Ink System" with a new one. does not come off. Lever, Change "PF Motor" and "Spur Gear, 37.242" rotate properly, but "Holder, Shaft, LD Roller" does not feed paper. (The drive Ink System of "PF Motor" does not propagate to "Holder
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EPSON Stylus Photo R300/R310 Revision A Table 1-7. Check Points for Paper Jam Error to Each Phenomenon Occurrence Faulty Part/ Timing Phenomenon Detail Check Point Remedy Part Name Position of CR 1. Check if "PF Motor Connector Cable" is connected to 1. Connect "PF Motor Connector Cable" to CN9 CN9 on "Main Board". on "Main Board". "PF Motor" does not work at all. PF Motor 2. Check if the coil resistance of "PF Motor" is 2. Replace "PF Motor" with a new one. approximately 3.0 Ω with a tester.
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EPSON Stylus Photo R300/R310 Revision A Table 1-7. Check Points for Paper Jam Error to Each Phenomenon Occurrence Faulty Part/ Timing Phenomenon Detail Check Point Remedy Part Name Position of CR 1. Check if "Torsion Spring, 0.22" for "PE Sensor Lever" is 1. Reassemble "Torsion Spring, 0.22". "Carriage Unit" moves to the home not unfastened. position properly when turning on the At operation power. Then paper feeding operation is PE Sensor* 2. Check if "PE Sensor Cable" is correctly mounted
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EPSON Stylus Photo R300/R310 Revision A Table 1-7. Check Points for Paper Jam Error to Each Phenomenon Occurrence Faulty Part/ Timing Phenomenon Detail Check Point Remedy Part Name Position of CR 1. Check if "Paper Guide, Upper" has not come off from 1. Reattach "Paper Guide, Upper" to "Main "Main Frame". Frame". Paper Guide, Upper At operation The leading edge of paper is not sent to Paper Guide, - "PF Roller". Upper * "Carriage Unit" can move to the home position even if "Extension Spring,
