Table of Contents
Troubleshooting
Related Manuals for Epson WP-4540
Summarization of Contents
Safety Precautions
DANGER
Cautions for serious bodily injury or loss of life.
WARNING
Cautions for personal injury or loss of life.
PRECAUTIONS
Cautions for personal injury or product damage.
About This Manual
Chapter 1: Product Descriptions
Provides a general overview and specifications of the product.
Chapter 2: Operating Principles
Describes the theory of mechanical operations of the product.
Chapter 3: Troubleshooting
Describes the step-by-step procedures for troubleshooting.
Chapter 4: Disassembly / Reassembly
Describes disassembly/reassembly procedures for main parts/units.
Chapter 5: Adjustment
Describes the required adjustments for servicing the product.
Chapter 6: Maintenance
Describes maintenance items and procedures for servicing the product.
Symbols Used in this Manual
Explains symbols used for warnings and information.
Product Description
Features
Lists the main features of the printers.
Printing Specifications
Details printer specifications like resolution, speed, paper handling.
Scanner Specifications
Basic specifications for scanner functionality.
Control Panel
Describes operation buttons, LEDs, and LCDs.
LEDs and LCD Indications
Lists and explains all LED and LCD messages.
Various Settings
Explains menu configuration and panel operations.
Panel Operation
Details panel operation and setup menu structure.
Panel Operation Lock Setting
Explains how to lock panel operations using a password.
Forced Power OFF
Describes how to forcibly turn off the printer's power.
Printer Status Sheet
Explains how to print the printer status sheet.
Operating Principles
Overview
Introduces the principles of printer mechanisms.
Printhead
Describes the printhead, including its method and nozzle layout.
Motors and Sensors
Lists and illustrates motors and sensors in the printer mechanism.
Scanner Motors and Sensors
Details motors and sensors specific to the scanner unit.
ADF Motors and Sensors
Details motors and sensors specific to the ADF unit.
2nd Cassette Motors and Sensors
Lists motors and sensors for the 2nd cassette unit.
Optical Sensor Control
Explains how optical sensors control printer operations.
Ink Supply Mechanism
Describes the components and function of the ink supply system.
Ink System Mechanism
Details the ink system components like caps, valve units, and maintenance box.
Power-On Sequence
Explains the printer's power-on initialization steps.
Normal Power-On Sequence
Details the power-on steps for abnormal previous power-off.
Troubleshooting
Troubleshooting Workflow
Covers error messages, workflows, fatal codes, and FAX issues.
Error Message List
Lists all printer error codes and their LCD messages.
Troubleshooting Workflow
Provides a flowchart for diagnosing and resolving printer problems.
Fatal Error Code
Details fatal error codes and their possible causes.
FAX Troubleshooting
Guides on troubleshooting fax-related errors.
Error Code/Superficial Phenomenon Troubleshooting
Provides troubleshooting steps based on error codes and observed phenomena.
Disassembly and Reassembly
Overview
Introduces disassembly and reassembly procedures.
Tools
Lists specific tools required for disassembly.
Jigs
Lists specialized jigs needed for disassembly procedures.
Caution when Replacing Printhead/Ink Supply Unit
Warns about ink pressure release before replacing these parts.
Parts/Units to Remove in Advance
Lists parts that must be removed before disassembly.
Disassembly Flowchart
Provides flowcharts for disassembling printer mechanisms and exterior parts.
Exterior Parts
Details the disassembly sequence for the printer's exterior components.
Printer Mechanism
Outlines the disassembly steps for the printer's internal mechanism.
Printhead/Ink Supply Unit
Describes the disassembly procedure for the printhead and ink supply unit.
2nd Cassette Unit
Details the disassembly procedure for the 2nd cassette unit.
Detailed Disassembly/Reassembly Procedures
Provides step-by-step instructions for part disassembly.
FAX Cover/USB Cover
Explains how to remove and install the FAX/USB cover.
Routing FFCs/cables
Guides on routing various FFCs and cables within the printer.
Connector
Illustrates connector locations and types for various printer components.
Adjustment
Required Adjustments
Lists adjustments needed after replacing parts.
Details of Adjustments
Provides detailed adjustment procedures.
PF Timing Belt Tension Check
Describes how to check PF Timing Belt tension.
Rear ASF Timing Belt Tension Check
Explains how to check Rear ASF Timing Belt tension.
PG Adjustment
Details the procedure for adjusting the platen gap (PG).
Checking the Platen Gap
Describes how to check the platen gap (PG) after printhead replacement.
MAC Address Setting
Explains how to set the printer's MAC address via the Adjustment Program.
Touch Panel Adjustment
Details the procedure for calibrating the touch panel.
Ink Leak Check
Describes the procedure to check for ink leaks using a jig.
Maintenance
Overview
Provides information for maintaining the printer.
Cleaning
Explains how to clean printer components like rollers and housing.
Lubrication
Details the types of grease and tools for lubrication.
Lubrication Points and Instructions
Provides specific points and methods for lubricating printer parts.
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