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User Manual
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Table of Contents
Troubleshooting
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Summarization of Contents
Preface and Manual Organization
Preface Overview
Introduces the service manual's purpose and scope for repair personnel.
Manual Structure Explained
Details how the service manual is organized into chapters and appendices.
Chapter 1: Parts Names and Functions
Equipment Outline
Provides an overview of the machine's external parts and their arrangement.
Control Panel Details
Details the control panel layout, keys, and their functions for operation.
Major Machine Components
Lists and illustrates the major internal and external components of the machine.
Chapter 2: Specifications Overview
General Specifications
Lists general specifications like memory, ADF, paper tray, printer type, and power.
Paper Specifications
Details paper types, sizes, and other specifications for paper handling.
Printable Area Dimensions
Defines the printable and logical page areas for different paper sizes.
Toner Cartridge Weight Information
Provides information on toner cartridge weights and page yields.
Chapter 3: Theory of Operation
System Overview
Provides a high-level overview of the machine's functional blocks and their interconnections.
Mechanical Components Explained
Details the various mechanical components responsible for paper handling and printing.
Scanner Mechanism and Operation
Explains the operation of the scanner mechanism and its components.
Printing Mechanism Details
Details the steps involved in the printing process, including paper supply and registration.
Sensors and Actuators
Lists the sensors and actuators used for machine operation and their locations.
Control Electronics Overview
Overviews the main electronic components and their connections in a block diagram.
Chapter 4: Data Transfer for Repair
Transferring Received Fax Data
Describes the procedure for transferring received fax data to another machine to prevent loss.
Chapter 5: Disassembly, Reassembly, and Lubrication
Disassembly and Reassembly Procedures
Details the procedures for disassembling and reassembling machine components.
Safety Precautions for Maintenance
Lists crucial safety precautions to follow before starting maintenance work.
Screw Tightening Torque Specifications
Provides specific torque values for screws during reassembly.
Disassembly Flowchart Guide
Presents a flowchart detailing the sequence of disassembly steps for various parts.
Chapter 6: Adjustments After Parts Replacement
Main PCB Replacement Procedures
Lists necessary adjustments and updates after replacing the main PCB.
CIS Unit Replacement Adjustments
Outlines adjustments needed after replacing the CIS unit.
Laser Unit Replacement Adjustments
Details adjustments required after replacing the laser unit.
Chapter 7: Cleaning Procedures
Cleaning Reference
Refers to the User's Guide for cleaning procedures of the drum unit and toner cartridge.
Chapter 8: Maintenance Mode Functions
Entering Maintenance Mode
Details the procedure to enter the machine's maintenance mode.
List of Maintenance Mode Functions
Provides a list of maintenance mode functions with their corresponding reference pages.
User Access to Maintenance Mode
Explains how end-users can access specific maintenance functions under guidance.
Detailed Maintenance Function Descriptions
Gives detailed descriptions of the various functions available in maintenance mode.
Chapter 9: Error Indication and Troubleshooting
Error Indication Overview
Explains how the machine indicates and displays error messages and codes.
Equipment Error Messages
Lists and describes specific error messages related to equipment malfunctions.
Communication Error Messages
Lists and describes error messages pertaining to communication failures.
Troubleshooting Procedures
Provides guidance on troubleshooting common problems and malfunctions.
Troubleshooting Common Problems
Paper Feeding Problems
Addresses issues like double feeding, wrinkles, creases, waves, and page skew.
Software Setting Problems
Troubleshoots problems arising from incorrect software or driver settings.
General Malfunctions
Guides troubleshooting for general malfunctions like power or motor issues.
Image Defects Troubleshooting
Lists and illustrates various types of image defects and their causes/remedies.
Appendix 1: Serial Numbering System
Machine Serial Number Label
Explains the serial number labeling system for the machine and property labels.
Laser Unit Serial Label Details
Details the serial label for the laser unit and its coding.
Appendix 2: Firmware Installation
Installing Update Data via Parallel Interface
Provides instructions for installing firmware update data using a parallel interface.
Installing Update Data via USB Cable
Details the procedure for installing firmware updates using a USB cable.
Setting Machine ID Codes
Explains how to assign unique ID codes to machines after replacing the main PCB.
Appendix 3: Customizing Codes
EEPROM Customizing Procedure
Details the function for customizing EEPROM according to destination, language, and settings.
Appendix 4: Firmware Switches (WSW) Configuration
WSW01: Dial Pulse Setting
Details the function and settings for dial pulse generation and break time.
WSW02: Tone Signal Setting
Details tone signal transmission time, pause, and attenuator settings.
WSW03: PABX Mode Setting
Details CNG detection and dial tone detection settings for PABX mode.
WSW04: Transfer Facility Setting
Details settings related to transfer facility, dual tone detection, and break time.
Appendix 5: Wiring Diagram
NCU PCB Circuit Diagrams
Provides the circuit diagram for the NCU PCB (USA/Canada and Europe models).
Power Supply PCB Circuit Diagrams
Provides the circuit diagram for the Power Supply PCB (100V and 200V models).
Appendix 7: Caution Label Locations
Caution Label S 30x30 Placement
Illustrates the location for attaching the 30x30 mm caution label.
Caution Label S 13x40 Placement
Illustrates the location for attaching the 13x40 mm caution label.
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