Epson Stylus CX7300 Service Manual
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Epson Stylus CX7300 Service Manual

Epson stylus color inkjet printer service manual
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See also: Basic Operation Manual , Instruction Manual

SERVICE MANUAL

Color Inkjet Printer
EPSON Stylus CX7300/CX7400/DX7400
EPSON Stylus CX8300/CX8400/DX8400
NX200/TX200/TX203/TX209
SX200/SX205
NX400/TX400/TX405/TX409
SX400/SX405
Confidential
SEMF07-001

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Summary of Contents for Epson Stylus CX7300

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer EPSON Stylus CX7300/CX7400/DX7400 NX200/TX200/TX203/TX209 SX200/SX205 EPSON Stylus CX8300/CX8400/DX8400 NX400/TX400/TX405/TX409 SX400/SX405 Confidential SEMF07-001...
  • 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 detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 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: About This Manual

    Provides Epson-approved methods for adjustment. CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of Epson- May indicate an operating or maintenance procedure, practice or C H E C K approved lubricants and adhesives required for servicing the product.
  • Page 5 Table 3-12 “Check point for Memory Card error according to each phenomenon” (p77). Chapter 4 “CHECK POINT” has been added in 4.1 Overview (p91). Chapter 7 7.2 Electrical Circuits has been deleted. July 15, 2008 Revised Contents All Chapter The model name; Epson Stylus NX200/TX209/NX400/TX409 are added. Confidential...

  • Page 6: Table Of Contents

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Contents Chapter 1 PRODUCT DESCRIPTION Chapter 2 OPERATING PRINCIPLES 1.1 Features........................9 2.1 Overview ......................42 2.1.1 Printer Mechanism..................42 1.2 Printing Specifications..................10 2.1.2 Motors & Sensors ..................43 1.2.1 Basic Specifications..................
  • Page 7 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Chapter 4 DISASSEMBLY/ASSEMBLY 4.6 Disassembling the Scanner Unit................ 134 4.6.1 Upper/Front Scanner Housing ..............134 4.1 Overview ......................91 4.6.2 Scanner Carriage Unit ................135 4.1.1 Precautions....................91 4.6.3 Scanner Motor Unit .................. 138 4.1.2 Tools ......................

  • Page 8: Chapter 1 Product Description

    C H A P T E R PRODUCT DESCRIPTION Confidential...

  • Page 9: Features

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.1 Features Dimensions Stylus CX7300/CX8300 series In this chapter, the product names are called as follows: C H E C K • Dimensions* : 450 mm (W) x 340 mm (D) x 179 mm (H) P O I N T •...

  • Page 10: Printing Specifications

    When installed in main unit 1.2.2 Ink Cartridge F to 104 The product numbers of the EPSON ink cartridges for this printer are shown below. Dimension 12.7 mm (W) x 68 mm (D) x 47 mm (H) Do not use expired ink cartridges.

  • Page 11: Print Mode

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.2.3 Print Mode Table 1-4. Print Mode (Color) Resolution Dot Size Micro Border- Media Print Mode Bi-d Table 1-4. Print Mode (Color) (cps) Weave less (H x V dpi) Resolution...
  • Page 12 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-5. Print Mode (Monochrome) Table 1-5. Print Mode (Monochrome) Resolution Dot Size Micro Border- Resolution Dot Size Micro Border- Media Print Mode Bi-d Media Print Mode Bi-d (cps) Weave...

  • Page 13: Supported Paper

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.2.4 Supported Paper The table below lists the paper type and sizes supported by the printer. The supported paper type and sizes vary depending on destinations (between EAI, EUR, and Asia).
  • Page 14 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-6. Supported Paper Asia Thickness Paper Name Paper Size Weight (mm) Letter 215.9 x 279.4 mm (8.5”x11”) 210 x 297 mm (8.3”x11.7”) Photo Paper Glossy (EAI) 258 g/m 0.25 Glossy Photo Paper (Euro, Asia) (68 lb.)

  • Page 15: Printing Area

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.2.5 Printing Area 1.3 Scanner Specifications The printing area for this printer is shown below. Table 1-8. Basic Specifications Table 1-7. Printing Area (Margins) Item Specification Margin Scanner type Flatbed, color...

  • Page 16: General Specifications

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.4 General Specifications 1.4.2 Environmental Conditions Table 1-11. Environmental Conditions 1.4.1 Electrical Specifications *1,2 Condition Temperature Humidity Shock Vibration 10 to 35°C 0.15G, Table 1-10. Primary Power Specifications Operating 20 to 80% (50 to 95°F)

  • Page 17: Interface

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.4.3 Durability 1.5 Interface Total print life: Black 10,000 pages (A4, 3.5% duty), This printer has USB interface and memory card slots of the following specifications. Color 10,000 pages (A4, ISO FDC24712), 1.5.1 USB Interface...

  • Page 18: Memory Card Slots

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.5.2 Memory Card Slots In the case of TX200/TX400 series; if you insert a Memory Stick C A U T I O N DUO to the Memory Card Slot without using the adapter, make sure to turn off the printer first, then remove the card using tweezers.

  • Page 19: Control Panel

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.6 Control Panel 1.6.1 Operation Buttons & LEDs CX8300/TX400 series (LCD-equipped model) Table 1-16. CX8300/TX400 series Buttons & LEDs Button/LED Function Power Turns the power ON/OFF. Start Starts printing. • Stops operation and displays the menu screen.
  • Page 20 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C CX7300/TX200 series (LCD-non-equipped model) The printer has the following buttons and LEDs on the control panel. Table 1-17. CX7300/TX200 series Operation Buttons & LEDs Button/LED Function Power Turns the power ON/OFF.

  • Page 21: Control Panel Functions In Each Mode

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.6.2 Control Panel Functions in Each Mode 1.6.2.1 Control Panel Functions for CX8300/TX400 series The table below shows the print setting menu items for each mode and their default, and when the settings are saved or returned to their default. Explanations on detailed control panel functions of the CX8300/TX400 series are omitted here, because the LCD displays the detailed instruction.
  • Page 22 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.6.2.2 Control Panel and LED Functions for CX7300/TX200 series This section explains the detailed functions of the operation buttons and LEDs of the CX7300/TX200 series that are not equipped with an LCD.
  • Page 23 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-19. CX7300/TX200 series Buttons & LEDs Functions Functions Printer Button Button Operation Disabled Cases During DPOF Status During Normal Printing During Camera Direct Printing Printing Print Index Sheet Normal Starts printing an index sheet.*...
  • Page 24 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-19. CX7300/TX200 series Buttons & LEDs Functions Functions Printer Button Button Operation Disabled Cases During DPOF Status During Normal Printing During Camera Direct Printing Printing Paper Type Normal Sets the paper size / paper type.
  • Page 25 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-19. CX7300/TX200 series Buttons & LEDs Functions Functions Printer Button Button Operation Disabled Cases During DPOF Status During Normal Printing During Camera Direct Printing Printing Start Color Normal Starts copying in color mode.
  • Page 26 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-21. CX7300/TX200 series LED Functions Pri- Printer Status ority Power Error 7 Segments Paper 1/2 Card Access Power OFF (processing) High-speed flashing Fatal error (system error) High-speed flashing of...
  • Page 27 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 1-21. CX7300/TX200 series LED Functions Pri- Printer Status ority Power Error 7 Segments Paper 1/2 Card Access Index sheet error Flashing 2 Flashing 2 of “2” (incorrect placement of the sheet)
  • Page 28 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.6.2.3 Control Panel Power Saver Mode If no operation is made on the control panel for approximately 13 minutes, both the CX8300/TX400 series and CX7300/TX200 series automatically enter control panel power saver mode.

  • Page 29: Specification For Each Function

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7 Specification for Each Function 1.7.1.2 Stand-alone Copy Menu The stand-alone copy mode menu for the CX8300/TX400 series and CX7300/TX200 series (settable items) are shown in the following tables. 1.7.1 Stand-alone Copy Function Table 1-24.
  • Page 30 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.1.3 Relation Between Original and Copy 1.7.1.4 Copy Speed The scanning start position is located on the front right of the scan bed. The relations Table 1-26. Copy Speed between the original placed face down and its copy are as follows.

  • Page 31: Memory Card Direct Print Function

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.2 Memory Card Direct Print Function 1.7.2.2 Supported File Type and Media Type The followings describe the file system, media format, and file type supported by the 1.7.2.1 Supported Paper and Print Mode memory card direct function.

  • Page 32: Specifications For Handling Image Data

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.2.4 Specifications for Handling Image Data Table 1-30. Specifications for Handling Image Data Item Specification Remarks Table 1-30. Specifications for Handling Image Data The printer acquires date and time Date and time information included...

  • Page 33: Makes Prints From Index Sheet Function

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.2.5 Memory Card Direct Print Menu (CX8300/TX400 series) 1.7.2.6 Makes Prints from Index Sheet Function Print settings The LCD-equipped CX8300/TX400 series provide the following menus in the memory Table 1-32. Print Settings card mode.

  • Page 34: Print Layout

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.2.7 Print Layout Table 1-33. Rules on Reading Markings The memory card direct print function supports two print layouts for printing images; Item Mark Description Remarks Borderless, and With Border. The Borderless layout is not allowed for some type of Layout (2pcs.)
  • Page 35 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Rules on Numbering and Rotating Images The numbers shown in the figure below indicate the photo frame numbers used for the print layout. Horizontally oriented images are printed as shown by the numbers.

  • Page 36: Camera Direct Print Function (Usb Direct Print/Pictbridge)

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.3 Camera Direct Print Function 1.7.3.3 General Operation Procedure (USB Direct Print/PictBridge) Before connecting the DSC, check that the printer is in the C H E C K Printing operations (selecting images to be printed, making print settings, starting/ P O I N T following status.
  • Page 37 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.3.4 Operating Specifications during Connecting DSC 1.7.3.5 EXT.I/F (USB Host) Specifications for Connecting DSC Table 1-37. Operations during Connecting DSC Table 1-38. Operations when USB Cable is Connected/Disconnected Operation Specifications...

  • Page 38: Reprint/Restore Photos Function (Cx8300/Tx400 Series Only)

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.4 Reprint/Restore Photos Function (CX8300/TX400 1.7.4.3 How to Place Silver Halide Pictures series only) The following explains how to place silver halide film-based pictures on the document glass of the printer.

  • Page 39: Setup Mode

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.5 Setup Mode 1.7.5.3 Head Cleaning Runs a printhead cleaning. For CX7300/TX200 series, press the Stop button for more CX8300/TX400 series go into the setup mode when the Setup button is pressed.
  • Page 40 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 1.7.5.8 Head Alignment If the printer power is turned Off during printing the C A U T I O N The Head Alignment adjustment is provided to ensure the bi-directional print quality.

  • Page 41: Operating Principles

    C H A P T E R OPERATING PRINCIPLES Confidential...

  • Page 42: Overview

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1 Overview PF Encoder Sensor PF Scale This section describes the operating principles of the Printer Mechanism and Electrical Circuit Boards of EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200/TX203/ TX209/SX200/SX205 and Stylus CX8300/CX8400/DX8400/NX400/TX400/TX405/ TX409/SX400/SX405.

  • Page 43: Motors & Sensors

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.2 Motors & Sensors PF Motor EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200/TX203/TX209/SX200/ CR Encoder Sensor SX205 and Stylus CX8300/CX8400/DX8400/NX400/TX400/TX405/TX409/SX400/ SX405 printer mechanism is equipped with the following printhead, motors and CR Contact Module sensors.

  • Page 44: Printhead

    Electric poles Electric Element). In order to reduce unit-to-unit variation in ink droplet size, the for CSIC printhead has its own Head ID (16-digits code for EPSON Stylus CX7300/CX7400/ DX7400/NX200/TX200/TX203/TX209/SX200/SX205 and Stylus CX8300/CX8400/ Ink Supply Needle DX8400/NX400/TX400/TX405/TX409/SX400/SX405) which corrects PZT drive...
  • Page 45 When the printing signal is not output from the C690 main board, or the PZT drive This mode is developed to improve the print quality on Epson designated paper. voltage is not applied, the PZT does not change its shape. Therefore, the PZT does Three sizes of dot;...

  • Page 46: Carriage Mechanism

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.4 Carriage Mechanism the CR mechanical load is in the initial state and saved into the EEPROM. According to the variations measured in the sequence, the voltage is corrected to The carriage mechanism components include the carriage unit (including printhead, make the drive current value constant reducing an individual difference.

  • Page 47: Paper Loading/Paper Feed Mechanism

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.5 Paper Loading/Paper Feed Mechanism Left side Spur Gear A The paper loading/feed mechanism are driven and controlled by the PF motor (DC (PF Roller) PF Encoder Sensor PF Scale motor) and the PF encoder.
  • Page 48 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.5.1 Paper Loading Mechanism (ASF Unit) 1: ASF H OSITION The paper loading mechanism loads paper from the ASF unit and feeds paper to the PF The counterclockwise rotation of the PF motor pinion gear (as seen from the left of the roller.
  • Page 49 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2: R LD R 3: F ELEASING LUTCH EVER TO RIVE OLLER EEDING APER FROM When the PF motor pinion gear starts clockwise rotation (as seen from the left side), After the engagement of the clutch, the PF motor pinion gear starts counterclockwise the change lever is moved toward the front of the printer to release the clutch lever.
  • Page 50 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4: E NDING APER OADING PERATION Continuous counterclockwise rotation of the LD roller (as seen from the left side) feeds paper to the PF roller. The LD roller rotation causes the hopper release cam and the paper back lever cam to push down the hopper and the paper back lever respectively.
  • Page 51 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.5.2 Paper Feed Mechanism The figure below shows how the PF motor pinion gear drive force is transmitted to the PF roller, EJ roller, paper guide roller and the star wheel roller.

  • Page 52: Ink System Mechanism

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.6 Ink System Mechanism 2.1.6.1 Capping Mechanism The capping mechanism incorporates the wiping mechanism, however, the two The ink system mechanism includes the cap mechanism and the pump mechanism. mechanisms operate independently. Capping the printhead is performed by the carriage And the capping mechanism includes the carriage lock mechanism and the wiping movement as the conventional models (such as Stylus CX4900/CX5000/CX6000) do.
  • Page 53 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.6.3 Wiping Mechanism The wiping mechanism is activated by the capping operation. The mechanism moves the wiper into- and out-of position for cleaning the head using the PF motor drive force that is transmitted via the cam of the clutch-equipped combination gear.
  • Page 54 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.6.4 Pump Unit Mechanism PF Encoder Sensor PF Scale The PF motor drives the pump unit mechanism as well as the paper loading/feed mechanisms. The motor drive force is always transmitted to the pump unit. (It is also transmitted to the LD roller via the clutch mechanism and the change lever.)

  • Page 55: Ink Sequence

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.1.7 Ink Sequence Periodic flushing Reduces viscosity of ink inside the nozzles during printing. Initial ink charge When the printer power is turned On first time after purchase, the initial ink charge is automatically carried out to fill the ink cavity in the printhead with ink.

  • Page 56: Scanner Mechanism

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.2 Scanner Mechanism Lower Housing Guide Rail Scanner Carriage Unit The major components of the scanner mechanism of EPSON Stylus CX7300/CX7400/ DX7400/NX200/TX200/TX203/TX209/SX200/SX205 and Stylus CX8300/CX8400/ DX8400/NX400/TX400/TX405/TX409/SX400/SX405 are the scanner carriage unit and the scanner motor.
  • Page 57 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 2.2.1.2 Scanner Carriage Unit Movement Overview Drive of the Scanner Motor is transferred to the Scanner Carriage Unit by the Scanner Timing Belt. The Scanner Carriage Unit slides in the secondary scanning direction.

  • Page 58: Troubleshooting

    C H A P T E R TROUBLESHOOTING Confidential...

  • Page 59: Overview

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 3.1 Overview 3.1.2 Preliminary Checks Before starting troubleshooting, be sure to verify that the following conditions This chapter describes how to solve problems. are all met: The power supply voltage must be within the specification limits. (Measure the...

  • Page 60: Troubleshooting

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 3.2 Troubleshooting 3.2.1 Motor and Sensor Troubleshooting Motors The resistance values for the CR motor and the PF motor are given below, however, the values cannot be used to check the motors status since they are DC motor and the resistance between the electric poles varies.

  • Page 61: Error Indications And Fault Occurrence Causes

    3.3.1 Error Indication Method You can handle most of the troubles with the messages/instructions shown on the LCD panel or the window of “EPSON Status Monitor 3” (when connected to the PC). For CX8300/TX400 series Error messages are displayed on the LCD panel.
  • Page 62 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-4. Error Indications and Fault Occurrence Causes CX8300/TX400 series CX7300/TX200 series Error Name LED Indications STM3 Message Error Cause Reference LCD Message Power Error Paper 1/2 Blink 3 Fatal error A scanner error has occurred.
  • Page 63 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-4. Error Indications and Fault Occurrence Causes CX8300/TX400 series CX7300/TX200 series Error Name LED Indications STM3 Message Error Cause Reference LCD Message Power Error Paper 1/2 A page has not been printed, multiple pages Table Multi-page feed error.
  • Page 64 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-4. Error Indications and Fault Occurrence Causes CX8300/TX400 series CX7300/TX200 series Error Name LED Indications STM3 Message Error Cause Reference LCD Message Power Error Paper 1/2 Black: XXXX Color: XXXX...

  • Page 65: Troubleshooting By Error Message

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 3.3.2 Troubleshooting by Error Message The following tables provide troubleshooting procedures. Confirm the error message indicated on the LCD or the STM3 screen on the PC’s display, and verify it in the following list and the figures at the end of this chapter for the corresponding troubleshooting remedy.
  • Page 66 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-5. Check point for Fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Scanner Carriage FFC is connected to CN21 1.
  • Page 67 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-5. Check point for Fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR Motor Connector Cable is connected to 1.
  • Page 68 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-5. Check point for Fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the PF Motor Connector Cable is connected to 1.
  • Page 69 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-5. Check point for Fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR Scale does not come off or it properly 1.
  • Page 70 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-5. Check point for Fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the PF Scale is not damaged or contaminated.
  • Page 71 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-6. Check point for the Maintenance request according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Change the Waste Ink Pads and initialize the •...
  • Page 72 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-7. Check point for Paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Star Wheel Holder Assy is correctly 1.
  • Page 73 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-7. Check point for Paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Upper Paper Guide Unit is correctly 1.
  • Page 74 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-8. Check point for CSIC error / Incorrect Ink Cartridge according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if Ink Cartridge is properly installed.
  • Page 75 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-9. Check point for Paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if any paper dust is not adhered to the surface of 1.
  • Page 76 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-9. Check point for Paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Extension Spring 0.143 does not come off in 1.
  • Page 77 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-9. Check point for Paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position The LD Roller is not set to the ASF home 1.
  • Page 78 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-13. Check point for Index Sheet 1 error (No index Sheet) according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position Document Cover 1.
  • Page 79 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-16. Check point for Pre-scanning error (photo) according to each phenomenon (CX8300/TX400 series only) Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position • Operation No photos cannot be recognized and an 1.
  • Page 80 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-18. Check point for Communication error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Panel FFC is connected to CN1 on the Panel 1.
  • Page 81 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-18. Check point for Communication error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the PS Board Connector Cable is connected to 1.
  • Page 82 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-18. Check point for Communication error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the USB Cable is connected between the printer 1.

  • Page 83: Superficial Phenomenon-Based Troubleshooting

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 3.3.3 Superficial Phenomenon-Based Troubleshooting This section explains the fault locations of the error states (print quality and abnormal noise) other than the error states (LED and STM3) in the previous section.
  • Page 84 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-20. Check point for the abnormal noise Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position The abnormal noise occurs at the first 1. Check if the grease on the Carriage Path is sufficient.
  • Page 85 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-22. Check point for the defective printing quality Defective Print Quality State Detailed phenomenon Check point Remedy unit/part name 1. Check if there is not any foreign material/damage around 1.
  • Page 86 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-22. Check point for the defective printing quality Defective Print Quality State Detailed phenomenon Check point Remedy unit/part name 1. Check if the Head FFC is securely connected to the 1.
  • Page 87 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-22. Check point for the defective printing quality Defective Print Quality State Detailed phenomenon Check point Remedy unit/part name Printer driver & 1. Check if the suitable paper is used according to the printer 1.
  • Page 88 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-22. Check point for the defective printing quality Defective Print Quality State Detailed phenomenon Check point Remedy unit/part name 1. Check if any paper dust is not adhered to the surface of 1.
  • Page 89 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 3-22. Check point for the defective printing quality Defective Print Quality State Detailed phenomenon Check point Remedy unit/part name 1. Check if the Printhead Cover does not have the ink drop. 1. Clean the Printhead Cover carefully with a soft Printhead cloth.
  • Page 90 C H A P T E R DISASSEMBLY/ASSEMBLY Confidential...

  • Page 91: Overview

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.1 Overview Disconnect the power cable before disassembling or W A R N I N G assembling the printer. In this chapter, the product names are called as follows: C H E C K...

  • Page 92: Tools

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.1.2 Tools 4.1.3 Work Completion Check Use only specified tools to avoid damaging the printer. If any service is made to the printer, use the checklist shown below to confirm all works are completed properly and the printer is ready to be returned to the user.
  • Page 93 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 4-2. Work Completion Check Classification Item Check Point Status Is glass surface dirty? OK / Mechanism Is any foreign substance mixed OK / in the CR movement area? Does CR operate smoothly?

  • Page 94: Procedural Differences Between The Models

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.1.4 Procedural Differences between the Models Some parts that are installed to CX7300/TX200 series and CX8300/TX400 series differ from each other because of the difference in the Panel Unit. The explanations in this chapter are based on CX8300/TX400 series.

  • Page 95: Disassembly Procedures

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.2 Disassembly Procedures For disassembling each unit, refer to the pages in the following flowchart. Start “ 4.7.1 Panel Unit (CX7300/TX200 series) ” “ 4.3.3 Document Cover/ASF Cover ” (p97) “...

  • Page 96: Removing The Housing

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.3 Removing the Housing 4.3.2 Stacker Assy Parts/Components need to be removed in advance: None 4.3.1 Paper Support Assy Removal procedure Parts/Components need to be removed in advance: None Open the Stacker Assy.

  • Page 97: Document Cover/Asf Cover

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.3.3 Document Cover/ASF Cover ASF Cover Release the both guide pins of the ASF Cover from the holes of the Scanner Parts/Components need to be removed in advance: None Unit, and remove the ASF Cover.

  • Page 98: Scanner Unit/Hinge

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.3.4 Scanner Unit/Hinge Be careful of the sharp edges shown in Figure 4-7 when C A U T I O N assembling or reassembling. Parts/Components need to be removed in advance...
  • Page 99 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the screws (x2) that secure the Scanner Unit. Remove the screw (x1) that secures the Hinge and remove the Hinge. Open the Scanner Unit. Pull out the Scanner Unit in the direction of the arrow, taking care not to let...

  • Page 100: Upper Housing/Card Slot Cover

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.3.5 Upper Housing/Card Slot Cover Card Slot Cover Remove the screw (x1) that secures the Card Slot Cover. Parts/Components need to be removed in advance Release the hook (x1) of the Card Slot Cover and remove the Card Slot Cover.

  • Page 101: Removing The Circuit Boards

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.4 Removing the Circuit Boards Disconnect the following connectors (x4) and FFCs (x5) from the Main Board. 4.4.1 Main Board Unit Cable Cable CN No. CN No. Power Supply Unit cable...
  • Page 102 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the screw (x1) that secures the Main Board Unit, and remove the Disassembling the Main Board Unit Main Board Unit. Remove the Main Board Unit. (p101) Peel off the acetate tape.

  • Page 103: Panel Unit/Lcd Unit

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.4.2 Panel Unit/LCD Unit Remove the screw (x1) that secures the Main Board, and remove the Main Board. Parts/Components need to be removed in advance: None The disassembling/assembling procedures differ depending on the...
  • Page 104 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the screws (x3) that secure the Panel Board and Panel Board Frame, Be sure to disconnect the Panel FFC from the connector on the C H E C K and remove the Panel Board together with the Panel Board Frame.

  • Page 105: Power Supply Unit

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.4.3 Power Supply Unit Remove each switch button from the Panel Cover. Parts/Components need to be removed in advance Mode SW button Start SW button Power SW button Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot...
  • Page 106 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Whenever the Power Supply Unit is removed/replaced, the When installing the Power Supply Unit, make sure to check the A D J U S T M E N T R E Q U I R E D required adjustments must be carried out.

  • Page 107: Disassembling The Printer Mechanism

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5 Disassembling the Printer Mechanism Disconnect the Head FFC (x1) that is connected to the CSIC Board. Release the tabs (x2) that secure the Holder Board Assy using a needle or a similar tool, and remove the Holder Board Assy upward (in the direction of 4.5.1 Printhead...
  • Page 108 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the Sub FFC Guide following the steps below. Disconnect the Head FFC from the connectors (x2) of the Printhead, and remove the Printhead. 6-1. Release the hook (x1) of the Sub FFC Guide from the cutout (x1) of the CR Unit.

  • Page 109: Cr Scale

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.2 CR Scale Install the Sub FFC Guide following the steps below. Insert the blade (x1) of the Sub FFC Guide between the Parts/Components need to be removed in advance ribs (x2) of the CR Unit.

  • Page 110: Hopper

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.3 Hopper Release the Extension Spring 3.289 from the hook of the Main Frame. Rotate the CR Scale 90 degrees as shown in the figure and remove the scale Parts/Components need to be removed in advance from the Main Frame.

  • Page 111: Removing The Printer Mechanism (Lower Housing)

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.4 Removing the Printer Mechanism (Lower Housing) When installing the Hopper, be sure to engage the rib of the Hopper with the guide groove of the Base Frame. Parts/Components need to be removed in advance...
  • Page 112 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the screws (x5) that secure the Printer Mechanism, and remove the When lifting the Printer Mechanism, be sure to hold the positions C A U T I O N Printer Mechanism.

  • Page 113: Left Frame

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.5 Left Frame Before installing the Printer Mechanism, hang the Interface Connector Cable on the Lower Housing so as not to damage the Parts/Components need to be removed in advance cable with the Printer Mechanism.

  • Page 114: Front Frame/Right Frame

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.6 Front Frame/Right Frame When installing the Left Frame, lead the PF Encoder FFC through the hole of the Left Frame. Parts/Components need to be removed in advance Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot...
  • Page 115 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the screw (x1) that secures the Front Frame and the Right Frame After replacing the Front Frame, be sure to attach an acetate together. tape referring to the figure below.

  • Page 116: Star Wheel Holder Assy

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.7 Star Wheel Holder Assy 4.5.8 EJ Roller Parts/Components need to be removed in advance Parts/Components need to be removed in advance Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing...

  • Page 117: Pf Encoder Sensor

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.9 PF Encoder Sensor When installing the EJ Roller, pay attention to the following instructions. Parts/Components need to be removed in advance • Make sure that the rubber part of the EJ Roller does not Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot contact with the hook of the Front Paper Guide.

  • Page 118: Pf Scale

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.10 PF Scale When installing the PF Encoder Sensor, be sure to attach the acetate tape (x1) referring to the figure below. Parts/Components need to be removed in advance Align here with edge of...

  • Page 119: Pf Motor

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.11 PF Motor When installing the PF Motor, pay attention to the following instructions. Parts/Components need to be removed in advance • Do not damage the PF Scale. Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot Insert the guide pins (x2) on the Base Frame into the •...

  • Page 120: Cr Motor

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.12 CR Motor Pass the Grounding Spring along the inner side of the hook of the Main Frame. Parts/Components need to be removed in advance Ground the smaller U-shaped end of the Grounding Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot Spring with the undersurface of the frame for PF Motor.
  • Page 121 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C After releasing the Timing Belt, temporarily secure the belt to the Be sure to install the CR Motor so that the groove on it faces C A U T I O N Cartridge Cover with a tape or the like so as not to allow the grease downward.

  • Page 122: Main Frame Assy

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.13 Main Frame Assy Move the CR Unit to the left side of the printer. Remove the screw (x1) that secures the LD Shaft Holder. Parts/Components need to be removed in advance...
  • Page 123 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C When laying the Main Frame Assy, make sure to put it as shown in When installing the Main Frame Assy, pay attention to the C A U T I O N the figure below.

  • Page 124: Cr Unit

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.14 CR Unit Tighten the screws in the order given in Figure 4-73. Follow the steps below to install the Extension Spring 10.99 to Parts/Components need to be removed in advance the Upper Paper Guide.
  • Page 125 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Put the part of the Timing Belt toothed on its both sides into CR Unit the groove of the CR Unit. Groove Timing Belt Figure 4-77. Removing the CR Unit (2) Figure 4-79.

  • Page 126: Upper Paper Guide

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.15 Upper Paper Guide 4.5.16 ASF Unit Parts/Components need to be removed in advance Parts/Components need to be removed in advance Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot...
  • Page 127 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the screws (x2) that secure the ASF Unit. When installing the ASF Unit, be sure to align the guide pins (x2) of the Base Frame with the positioning holes (x2) of the...

  • Page 128: Ink System Unit

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.17 Ink System Unit Detach the Waste Ink Tube together with the Tube Stopper from the Waste Ink Cover. Parts/Components need to be removed in advance Detach the Waste Ink Tube from the groove of the Base Frame.
  • Page 129 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C If the Carriage lock lever comes off, reassemble it following When installing the Ink System Unit, pay attention to the the steps below. following instructions. Attach the one end of the Extension Spring 0.8 to the •...
  • Page 130 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Route the Waste Ink Tube through the groove of the Base Frame so that the red line of the Waste Ink Tube faces to the Ink System Unit side. Waste Ink Tube Groove Figure 4-93.

  • Page 131: Front Paper Guide

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.18 Front Paper Guide Release the hook (x1) of the Front Paper Guide, and remove the Front Paper Guide. Parts/Components need to be removed in advance Front Paper Guide Document Cover/ASF Cover/Scanner Unit/Panel Unit/Upper Housing/Card Slot...

  • Page 132: Pf Roller

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.19 PF Roller Release the PF Roller from the cutout of the Base Frame (Step 2-1), and remove the PF Roller (Step 2-2). Parts/Components need to be removed in advance...

  • Page 133: Waste Ink Pads

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.5.20 Waste Ink Pads When installing the Diffusion Sheet, Waste Ink Cover, and the Waste Ink Pads (x2) on section B, attach them in the Parts/Components need to be removed in advance order given in the figure below.

  • Page 134: Chapter 4 Disassembly/Assembly

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.6 Disassembling the Scanner Unit Remove the screws (x6) that secure the Upper Scanner Housing, and release the two hooks inside the Lower Scanner Housing, then remove the Upper Scanner Housing by lifting the front of it.

  • Page 135: Scanner Carriage Unit

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.6.2 Scanner Carriage Unit Front Scanner Housing Remove the Upper Scanner Housing toward you. (p134) Parts/Components need to be removed in advance Release the hooks at the bottom of the Upper Scanner Housing, and remove Document Cover/ASF Cover/Scanner Unit/Upper Scanner Housing the Front Scanner Housing.
  • Page 136 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Release the tabs (x2) from the hooks (x2) on the Scanner CR Holder and Take extra care not to contaminate the Scanner Timing Belt with C A U T I O N remove the CIS Unit.
  • Page 137 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Remove the Scanner Timing Belt together with the Torsion Spring from the Scanner CR Holder. Scanner Timing Belt Scanner CR Holder Torsion Spring Figure 4-113. Removing the Scanner Timing Belt and Torsion Spring...

  • Page 138: Scanner Motor Unit

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.6.3 Scanner Motor Unit Scanner Motor cable Scanner Motor Unit Parts/Components need to be removed in advance Document Cover/ASF Cover/Scanner Unit/Upper Scanner Housing Removal procedure Move the Scanner Carriage Unit to the center.

  • Page 139: Differences In Disassembling/Reassembling Stylus Cx7300/Tx200 Series

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 4.7 Differences in Disassembling/Reassembling Be sure to disconnect the Panel FFC from the connector on the C H E C K Stylus CX7300/TX200 series Panel Board. P O I N T This section explains the differences in disassembling/reassembling CX7300/TX200 series.
  • Page 140 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C While avoiding the rib of the Panel Housing, remove the Panel Board. When installing the Panel Board, match the positioning holes (x2) of the Panel Board with their positioning pins (x2) of the...

  • Page 141: Chapter 5 Adjustment

    C H A P T E R ADJUSTMENT Confidential...

  • Page 142: Adjustment Items And Overview

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 5.1 Adjustment Items and Overview For information on how to carry out the adjustments and media C H E C K required for the adjustments, see the instructions displayed by the...
  • Page 143 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 5-1. Adjustment Items Adjustment Item Purpose Method Outline Tool • Adjustment Program This must be carried out for efficient heat control of the PF motor. Electrical Select the parts that you replaced. The correction values are...

  • Page 144: Required Adjustments

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 5.1.2 Required Adjustments The table below lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out.
  • Page 145 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Table 5-4. Required Adjustment List Priority Adjustment Item Part Name Remove ASF unit Replace Remove CR unit Replace Remove Upper paper guide Replace Reset to 0 Remove Front paper guide unit...

  • Page 146: Using The Adjustment Program

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 5.2 Using the Adjustment Program 5.2.2 First Dot Position Adjustment The following pattern is printed. This section describes how to judge the adjustment patterns printed by the Adjustment Program. For information on how to operate the Adjustment Program, see the instructions displayed by the Adjustment Program.

  • Page 147: Head Angular Adjustment

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 5.2.3 Head Angular Adjustment Microweave Pattern Two patterns are printed as shown below. Band pattern The following pattern is printed. The lines below “1 to 80” are printed while the carriage moves from the home to the other side, and lines below “80 to 1”...

  • Page 148: Bi-D Adjustment

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 5.2.4 Bi-D Adjustment 5.2.5 PF Adjustment PF- for standard print area The following pattern is printed for each of the five print mode (five dot size modes). The following pattern is printed.
  • Page 149 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C Input the selected value for each of the top and bottom in the program, and PF- for bottom margin area print a PF adjustment check pattern. The following pattern is printed.

  • Page 150: Pf Band Adjustment

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 5.2.6 PF Band Adjustment 5.2.7 Bottom Margin Adjustment The following pattern is printed. The following pattern is printed. -3 -2 -1 Figure 5-11. Bottom Margin Adjustment Printout Pattern How to Judge Measure the length from the bottom edge of the paper to the printed line.

  • Page 151: Chapter 6 Maintenance

    C H A P T E R MAINTENANCE Confidential...

  • Page 152: Overview

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 6.1 Overview 6.1.2 Service Maintenance If any abnormal print (dot missing, white line, etc.) has occurred or the printer indicates This section provides information to maintain the printer in its optimum condition.

  • Page 153: Lubrication

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 6.1.3 Lubrication Refer to the following figures for the lubrication points. The type and amount of the grease used to lubricate the printer parts are determined <Lubrication Point> Front based on the results of the internal evaluations. Therefore, be sure to apply the...
  • Page 154 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C <Lubrication Point> Front Paper Guide Contact points (x 31) with the EJ Roller. <Lubrication Type> G-74 <Lubrication Amount> 0.04g/point <Remarks> Use a brush to apply G-74. Lubrication Points Figure 6-2. Lubrication on Front Paper Guide (1) <Lubrication Point>...
  • Page 155 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C <Lubrication Point> <Lubrication Point> PF Roller Grounding Spring Contact area with the PF Roller. Cam A and Cam B of the LD Roller shaft <Lubrication Type> <Lubrication Type> G-71 G-71 <Lubrication Amount>...
  • Page 156 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C <Lubrication Point> <Lubrication Point> Along the contact areas between Along the contact area between Main Frame the front of the Main Frame the back of the Main Frame and and the CR Unit.
  • Page 157 EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C <Lubrication Point> On the surface of the Guide Rail of the Lower Scanner Housing. <Lubrication Type> Guide Rail of Lower Scanner Housing G-45 <Lubrication Amount> Sufficient quantity <Remarks> Use a brush to apply G-45.

  • Page 158: Chapter 7 Appendix

    C H A P T E R APPENDIX Confidential...

  • Page 159: Exploded Diagram / Parts List

    EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C 7.1 Exploded Diagram / Parts List This manual does not provide exploded diagrams or parts list. For the information, see SPI (Service Parts Information). APPENDIX Exploded Diagram / Parts List...

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