Epson STYLUS PRO 9400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800
Large Format Color Inkjet Printer
SERVICE MANUAL
SEIJ05002

Epson STYLUS PRO 9400 Specifications

General

Country of origin	Japan
Sound pressure level (printing)	50 dB
Color	Yes
Maximum resolution	1440 x 720 DPI
Number of print cartridges	4
Maximum print size	A0 (841 x 1189 mm)
Compatible operating systems	Mac OS X, OS 9 Microsoft Windows 2000 / XP
Power consumption (standby)	6 W
Power consumption (typical)	50 W
USB connector	USB Type-A
USB 2.0 ports quantity	1
Pallet width	1200 mm
Pallet height	1000 mm
Quantity per pack	1 pc(s)
Pallet length (UK)	1890 mm
Quantity per pallet	2 pc(s)
Package depth	1880 mm
Package width	820 mm
Package height	870 mm
Package weight	125000 g

Weight and Dimensions

Dimensions (WxDxH)	1702 x 678 x 1196 mm

Summary

PRECAUTIONS

DANGER

Signals a precaution that, if ignored, could result in serious or fatal personal injury.

WARNING

Signals a precaution that, if ignored, could result in damage to equipment.

About This Manual

Manual Configuration

Describes the manual's structure, listing six chapters and an appendix.

Symbols Used in this Manual

Explains symbols used to provide additional information or warn of danger.

Chapter 1 Product Description

1.1 Product Description

Provides a general overview and specifications of the product, including features.

1.2 Basic Specifications

Details technical specifications like print method, resolution, paper handling, and speed.

1.3 External View and Parts Names

Illustrates the printer's exterior and identifies key parts and connectors.

1.4 Control Panel

Explains the printer's control panel, including buttons, display, and LEDs.

1.5 Controller

Lists the printer's main controller components: CPU, RAM, and interfaces.

1.6 Interface

Describes the available interface options: USB, IEEE1394, and optional interfaces.

1.7 Optional Units and Consumables

Details available optional units and consumables like ink cartridges and maintenance tanks.

Chapter 2 Operating Principles

2.1 Overview

Introduces the chapter's content on print mechanism and operating principles.

2.2 Print Mechanism Components

Explains the major electrical parts of the printer's print mechanism.

2.3 Outline of Power Supply Circuit Board

Describes the operation of the C594 MAIN Board and its components.

2.4 Outline of Power Supply Circuit Board

Details the power supply circuit board and its control signals.

2.5 Colorimetric Calibration (Color ID) Overview

Explains the purpose and principle of colorimetric calibration for color accuracy.

Chapter 3 Troubleshooting

3.1 Overview

Provides basic procedures for efficient printer troubleshooting.

3.2 Troubleshooting based on Panel Messages

Explains error messages displayed on the LCD panel and their remedies.

3.3 Troubleshooting based on Printed Result

Addresses print quality issues like dot missing and bands, offering solutions.

3.2.4 Remedies for Service Call Errors

Provides remedies for service call errors that require professional intervention.

Chapter 4 Disassembly & Assembly

4.1 Overview

Introduces disassembly procedures and general precautions.

4.2 Disassembly Procedure

Details the step-by-step procedures for disassembling printer components.

Chapter 5 Adjustment

5.1 Overview

Introduces the adjustment program and procedures after repair or part replacement.

5.2 Mechanical Adjustment

Covers mechanical adjustments like sensor calibration and belt tension.

5.3 Basic Adjustment

Explains fundamental adjustments like RTC/ID settings and serial number input.

5.4 Advanced Adjustment

Details advanced adjustments like Auto Bi-D and destination settings.

5.5 Check Results

Describes how to check print quality results like nozzle status and alignment.

5.6 Reset Counters

Explains how to reset various counters related to component life.

5.7 Installing Firmware

Guides on how to update the printer's firmware.

5.8 Model Setting (when replacing the Main Board)

Details the procedure for setting the printer model after Main Board replacement.

Chapter 6 Maintenance

6.1 Overview

Provides information on how to maintain the printer for optimum operating condition.

6.1.1 Product Life Information

Details periodic maintenance items and product life estimates for components.

6.1.2 Required Maintenance Items

Lists essential items to check during printer servicing.

6.2 Lubrication

Explains the lubrication points and procedures for printer maintenance.

Chapter 7 Appendix

7.1 Connectors

Lists and describes the connectors on the main and sub boards.

7.2 Circuit Diagrams

Provides circuit diagrams for various printer boards.

7.3 Exploded Diagrams

Includes exploded diagrams of printer parts for assembly/disassembly reference.