Table of Contents

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Service Manual
W8400 Series
W8400
Apr 5 2005

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Table of Contents
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Summarization of Contents

Chapter 1 PRODUCT DESCRIPTION
1.1 Product Overview
Provides an overview of the printer's features and capabilities.
1.2 Features
Details the key features and capabilities of the printer.
1.3 Product Specifications
Lists the technical specifications of the printer, including dimensions and performance.
1.4 Detailed Specification
Provides detailed specifications, including media types and printing speeds.
1.5 Names and Functions of Components
Identifies and describes the function of various printer components.
1.6 Basic Operation
Explains the basic operations of the printer, including the control panel.
1.7 Safety and Precautions
Outlines essential safety precautions for handling and servicing the printer.
Chapter 2 TECHNICAL REFERENCE
2.1 Basic Operation Outline
Provides a basic outline of the printer's operation and block diagram.
2.2 Firmware
Details the printer's firmware functions, including power and print control.
2.3 Printer Mechanical System
Describes the printer's mechanical systems, including ink passage and paper path.
2.4 Printer Electrical System
Explains the printer's electrical system, including controllers and PCBs.
2.5 Detection Functions Based on Sensors
Details the detection functions performed by various sensors within the printer.
Chapter 3 INSTALLATION
3.1 Transporting the Printer
Provides instructions for safely transporting the printer, both within a facility and between floors.
Chapter 4 DISASSEMBLY/REASSEMBLY
4.1 Service Parts
Lists and describes the service parts that require careful handling during replacement.
4.2 Disassembly/Reassembly
Outlines the main units and the general flow for disassembly and reassembly procedures.
4.3 Points to Note on Disassembly and Reassembly
Highlights important considerations and precautions before and during disassembly and reassembly.
Chapter 5 MAINTENANCE
5.1 Regular Replacement Parts
Identifies parts that are regularly replaced by users or service personnel.
5.2 Consumables
Lists all consumable items for the printer, including printheads and ink tanks.
5.3 Regular Maintenance
Describes routine maintenance tasks to ensure optimal printer performance.
Chapter 6 TROUBLESHOOTING
6.1 Troubleshooting
Provides guidance on identifying and resolving common printer problems and errors.
6.1.2 Troubleshooting by the Phenomenon
Offers solutions for specific printer issues categorized by observable phenomena.
6.1.3 Troubleshooting When Warnings Occur
Addresses printer warnings and provides steps to resolve them.
6.1.4 Troubleshooting When Errors Occur
Details troubleshooting steps for various error codes encountered during printer operation.
6.1.5 Troubleshooting When Service Call Errors Occur
Guides on resolving critical errors that require service intervention.
6.2 Connector Positions and Pin Arrangement
Details the pin configurations and functions of various printer connectors.
6.3 Version Up
Explains how to update the printer's firmware using the GARO Firmware Update Tool.
6.4 Service Tools
Lists the general-purpose and special-purpose tools required for service and maintenance.
Chapter 7 SERVICE MODE
7.1 Service Mode
Details how to enter, exit, and use the printer's service mode for diagnostics and adjustments.
7.2 Special Mode
Describes special modes available on the printer, such as controller replacement mode.
Chapter 8 ERROR CODE
8.1 Outline
Provides an overview of the printer's error reporting system, including warnings and errors.
8.2 Warning Table
Lists all possible printer warnings with their corresponding codes and status descriptions.
8.3 Error Table
Details all printer error codes, their statuses, and probable causes.
8.4 Sevice Call Table
Lists service call errors that require professional intervention.

Table of Contents