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Epson Stylus COLOR 300 Service Manual
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Epson Stylus COLOR 300 Service Manual

Epson Stylus COLOR 300 Service Manual

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EPSON TERMINAL PRINTER

EPSON Stylus Color 300

SERVICE MANUAL

EPSON
4007996

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  • Page 1: Epson Stylus Color

    EPSON TERMINAL PRINTER EPSON Stylus Color 300 SERVICE MANUAL EPSON 4007996...
  • Page 2 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 deteced, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. WARNING 1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: Product Descriptions

    PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON Stylus Color 300. 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. The chapters are organized as follows: CHAPTER 1.
  • Page 5 REVISION SHEET Revision Issued Contents July 2, 1997 First issue...

  • Page 6: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1.PRODUCT DESCRIPTIONS CHAPTER 2.OPERATION PRINCIPLES CHAPTER 3.DISASSEMBLY AND ASSEMBLY CHAPTER 4.ADJUSTMENT CHAPTER 5.TROUBLESHOOTING CHAPTER 6.MAINTENANCE APPENDIX...
  • Page 7 CHAPTER 1 PRODUCT DESCRIPTIONS 1.1 FEATURES ..................1-1 1.2 SPECIFICATIONS ................1-2 1.2.1 Printing Specifications............1-2 1.2.2 Software Specifications ............1-3 1.2.3 Paper Handling ..............1-4 1.2.4 Paper Specifications ............. 1-4 1.2.5 Printable Area ................ 1-6 1.2.6 PG Adjust Lever Setting............1-7 1.2.7 Paper Select Lever Setting ...........

  • Page 8: Features

    Chapter 1 Product Descriptions 1.1 FEATURES The EPSON Stylus Color 300 printer is a color ink jet printer that comes with standard four colors (Black and CMY) printhead. The major features of this printer are: Standard four-colors printing. Both black and color (CMY) print nozzles are built in one-piece printhead.

  • Page 9: Specifications

    EPSON Stylus Color 300 Service Manual 1.2 SPECIFICATIONS This section describes the product specifications for EPSON Stylus Color 300. 1.2.1 Printing Specifications Print system: On-demand ink jet printer Nozzle configuration: Black: 31 nozzles (11 nozzles x 2 columns and 10 nozzles x 1 column)

  • Page 10: Software Specifications

    Color control: Printing color ESC r ( 2) Note) EPSON Stylus Color 300 requires the specific printer driver for proper printing operation and control, and use of other printer driver could result in improper printing. Works only with unique parameters.

  • Page 11: Paper Handling

    EPSON Stylus Color 300 Service Manual 1.2.3 Paper Handling Feeding method: Friction feed with built-in ASF Paper path: Rear-top entrance / Front eject Line spacing: 1/6 inch or programmable in 1/360 inch minimum increments. Paper feeding speed: 102 mS (at 1/6 inch paper feed pitch) 1.2.4 Paper Specifications...
  • Page 12 Chapter 1 Product Descriptions Others Size: Table 1-3. Paper Size - Special Media Type Width Length Transparency (A4) 210 mm 297 mm (8.3”) (11.7”) Transparency (LETTER) 216 mm 279 mm (8.5”) (11.0”) Glossy Paper (A4) 210 mm 297 mm (8.3”) (11.7”) Glossy Paper (LETTER) 216 mm...

  • Page 13: Printable Area

    EPSON Stylus Color 300 Service Manual 1.2.5 Printable Area The maximum printable area with each type of paper is summarized in table below. Table 1-4. Printable Area Type (typ.) (typ.) (Min.) (Min.) (Min.) (Min.) 210 mm 297 mm 3.0 mm 3.0 mm...

  • Page 14: Pg Adjust Lever Setting

    Chapter 1 Product Descriptions 1.2.6 PG Adjust Lever Setting The paper-gap (PG); a space between the printhead nozzle surface annd the paper surface, can be adjusted to the appropriate level by the PG adjust lever which located underneath the printer cover. Table 1-5.

  • Page 15: Ink Cartridge Specification

    EPSON Stylus Color 300 Service Manual 1.2.8 Ink Cartridge Specification Type: Exclusive cartridge Color: Black and CMY (Cyan, Magenta, Yellow) Print capacity: 220 pages (360 DPI / 5% duty for each color on A4) 450 pages (ISO/IEC10561 LETTER pattern at 360 DPI...

  • Page 16: Electrical Specifications

    Chapter 1 Product Descriptions 1.2.9 Electrical Specifications Table 1-7. Electrical Specification Item 120V Version 240V Version Rated Voltage 120 VAC 240 VAC Input Voltage 103.5 132 V 264 V Range Rated Frequency 60 Hz 60 Hz Range Input Frequency 49.5 60.5 Hz 49.5 60.5 Hz...

  • Page 17: Reliability

    EPSON Stylus Color 300 Service Manual 1.2.11 Reliability Total Print Volume: 10,000 pages (A4 / LETTER) Printhead Life: 1000 million dots / nozzle (Black and CMY) 1.2.12 Acoustic Noise Level: Approx. 45 dB(A) (according to ISO7779) 1.2.13 Safety Approvals Table 1-9. Safety Approvals...

  • Page 18: Physical Specifications

    Chapter 1 Product Descriptions 1.2.15 Physical Specifications Dimensions: 397 (W) × 319 (D) × 269 (H) mm (operating condition) Weight: 3.9 Kg (exclude the printhead and the ink cartridge) 319 mm Figure 1-6. Dimensions 1-11 Rev. A...

  • Page 19: Interface Specification

    EPSON Stylus Color 300 Service Manual 1.3 INTERFACE SPECIFICATION Refer to the service manual of EPSON Stylus Color 200 / Stylus 200 for details. 1.4 OPERATIONS This section describes the basic operation of the printer. 1.4.1 Control Panel The control panel is equipped with two non-lock type push buttons and three LED indicators, and operations of each button and LED indicator are described below.
  • Page 20 Chapter 1 Product Descriptions Power-On Operation Table 1-11. Control Panel - Power-on Operations Button Function button] button] The printer perform the following after Pressed within Hold down at performing the control panel operation 3 sec. after power on in left column. power on.

  • Page 21: Led Indicators

    EPSON Stylus Color 300 Service Manual 1.4.1.2 LED Indicators The LED indicators of the control panel shows the various printer status as below. Table 1-12. Control Panel - LED Status Indications Status POWER INK OUT PAPER OUT Priority Ink low (printable)

  • Page 22: Main Components

    (ROM and RAM), a built-in parallel interface circuit and the printhead drive voltage generation circuit. 1.5.3 Power Supply Unit (C160 PSB/PSE Board) The power supply unit of EPSON Stylus Color 300 is exactly the same with EPSON Stylus Color 200/Stylus 200. 1.5.4 Housing In accordance with the control panel design change, the upper housing is also changed from EPSON Stylus Color 200/Stylus 200.
  • Page 23 CHAPTER 2 OPERATING PRINCIPLES 2.1 OVERVIEW ..................2-1 2.1.1 PRINTER MECHANISM ............2-1 2.1.1.1 Printhead Unit .............. 2-1...
  • Page 24 4-color printhead is incorporated on EPSON Stylus Color 300. This section only describes the printhead. 2.1.1.1 Printhead Unit The printhead unit for EPSON Stylus Color 300 is a new design printhead and has both black and color (CMY) nozzles in one unit. The nozzle arrangement of the printhead is shown below.

  • Page 25: Chapter 3.Disassembly And Assembly

    CHAPTER 3 DISASSEMBLY AND ASSEMBLY 3.1 OVERVIEW ..................3-1 3.1.1 Upper Case Removal............. 3-1 3.1.2 C224 MAIN Board Removal ..........3-2...

  • Page 26: Upper Case Removal

    3.1 OVERVIEW This section describes procedures for disassembling and assembling the main components of EPSON Stylus Color 300. Since the most of components are the same with EPSON Stylus Color 200/Stylus 200, this manual only describes procedures unique to this printer.
  • Page 27 EPSON Stylus Color 300 Service Manual 3.1.2 C224 MAIN Board Removal 1. Remove the upper case. (See Section 3.1.1). 2. Remove five screws (CBB/M3x6); four screws fixing the shield plate directly to the C224 MAIN Board and one screw fixing the metal bracket to the shield plate.
  • Page 28 CHAPTER 4 ADJUSTMENT 4.1 OVERVIEW ..................4-1 4.1.1 Adjustment Tools ..............4-1 4.1.2 Applicable Repair ..............4-1 4.1.3 Adjustment Program ............. 4-2 4.1.3.1 Zig-Zag Adjustment ............. 4-2 4.1.3.2 Bi-D Adjustment............4-2 4.1.3.3 Head Angle Adjustment ..........4-2 4.1.3.4 RESET Fucntion ............4-3...

  • Page 29: Chapter 4.Adjustment

    For adjustment and testing, always replace the ink cartridge to new one designed exclusively for service: Description: Code: 4.1.1 Adjustment Tools The table below lists the tools required to make adjustment on EPSON Stylus Color 300. Table 4-1. Tools for Adjustment Tool Code Applicable Adjustment...
  • Page 30 PC monitor. CAUTION Since the mechanism design is the same with the EPSON Stylus Color 200, refer to the service manual for EPSON Stylus Color 200, at Chapter 4 Adjustment, for the detail procedures.

  • Page 31: Reset Fucntion

    Chapter 4 Adjustment 4.1.3.4 RESET Fucntion Since various ink system management information are stored in EEPROM on the main board, the information integrity need to be kept even after the combination of the printer mechanism and the main board is altered. Therefore, if any of the component (main board, printer mechanism or the printhead) is replaced to new one, reset the appropriate information (counter value or flag).

  • Page 32: Chapter 5.Troubleshooting

    CHAPTER 5 TROUBLESHOOTING 5.1 OVERVIEW ..................5-1 5.1.1 Unit Repair - C224 MAIN Board ..........5-1...
  • Page 33 Chapter 5 Troubleshooting 5.1 OVERVIEW Since the printer mechanism and the power supply unit are remains the same with EPSON Stylus Color 200/Stylus 200, this chapter describes only the checkpoints on the main control circuit; C224 MAIN Board. 5.1.1 Unit Repair - C224 MAIN Board The table below provides various symptom, likely causes and checkpoint, relating to the C224 MAIN Board.
  • Page 34 EPSON Stylus Color 300 Service Manual Symptom Condition Cause Checkpoint Solution Self-test No printing. PWM signal is Is PWM signal waveform correct at pin Replace IC1 printing is not output. 140 of IC1? abnormal. Head drive Check waveform of the signal VO:...
  • Page 35 Chapter 5 Troubleshooting Symptom Condition Cause Checkpoint Solution Paper does Drive signals CPU (IC2) is Is the signal waveform correcr at pin 7/8 Replace IC2 not advance are not defective of IC2? normally. output correctly. PF Motor Is the signal waveform correct at pin Correct: driver (IC16) 14/17/20/23 of IC16?

  • Page 36: Chapter 6.Maintenance

    CHAPTER 6 MAINTENANCE 6.1 OVERVIEW ..................6-1 6.1.1 Maintenance Request............6-1...

  • Page 37: Maintenance Request

    Chapter 6 Maintenance 6.1 OVERVIEW This section describes the maintenance points and the procedures specific for EPSON Stylus Color 300. WARNING If ink gets in your eyes, flush them immediately with water and seek medical attention. Disconnect the printer from the power source when you clean inside the printer.

  • Page 38: Appendix

    APPENDIX A.1 OVERVIEW..................A-1 A.2 EEPROM Address Map..............A-2 A.3 CIRCUIT DIAGRAM (C224 MAIN BOARD)........A-4...
  • Page 39 The main board of EPSON Stylus Color 300 is C224 MAIN BOARD and each connector and its pin assignment are the same with the main board for EPSON Stylus Color 200. Therefore, refer to the service manual for EPSON Stylus Color 200 for the details.
  • Page 40 EPSON Stylus Color 300 Service Manual A.2 EEPROM Address Map The table below shows the addresses of EEPROM and the contents stored at each address. Table A-1. EEPROM Address Address Data Value Factory Default 00 - 01H (Reserved) ----- Market (Model)
  • Page 41 Appendix Table A-2. EEPROM Address (continued) Address Data Value Factory Default CR Motor initial phase (Reserved) ----- ----- 22 - 23H YMC Accumulated time 24 - 25H Counter D 26 - 27H Counter E 00H: Initial charge required (Initial charge flag) 01H: Initial charge done 28 - 29H...
  • Page 42 EPSON Stylus Color 300 Service Manual A.3 CIRCUIT DIAGRAM (C224 MAIN BOARD) Rev. A...
  • Page 43 EPSON OVERSEAS MARKETING LOCATIONS EPSON AMERICA, INC. EPSON UK LTD. 20770 Madrona Ave. Campus 100, Mayland Avenue, P.O. Box 2842 Hemel Hempstead, Herts, Torrance, CA 90509-2842 HP2 7TJ, U.K. Phone:(800) 922-8911 Phone:(+44) 01442 61144 Fax: (310) 782-5220 Fax: (+44) 01442 227227 EPSON DEUTSCHLAND GmbH EPSON FRANCE S.A.
  • Page 44 EPSON SEIKO EPSON CORPORATION...

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