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Canon i-SENSYS MF4350d User Manual

Canon i-SENSYS MF4350d
182 pages
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Aug 22 2008
Service Manual
MF4300 Series

Table of Contents

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Canon i-SENSYS MF4350d Specifications

General IconGeneral
Print TechnologyLaser
Duplex PrintingYes
Copy ResolutionUp to 600 x 600 dpi
Fax Modem Speed33.6 Kbps
Paper Capacity250 sheets
ConnectivityUSB 2.0
First Page OutLess than 9 seconds
ScanningYes
Maximum Scan Resolution9600 x 9600 dpi
Input Colour Depth24-bit
Output Colour Depth24-bit
Standard Output Capacity100 sheets
Paper Size (Max)A4
Internal Memory64 MB
FunctionsPrint, Copy, Scan, Fax
Fax Transmission Speed3 seconds per page
Operating Systems SupportedWindows, Mac OS
Print Speed22 ppm
Copy Speed22 cpm
Scan TypeFlatbed
Scan Resolution600 x 600 dpi

Summary

Chapter 1 Introduction

1.1 Product Specifications

Details the overall specifications of the MF4300 series printer.

1.1.1 Names of Parts

Identifies and labels the external components of the printer body.

1.1.2 Safety

Outlines critical safety precautions for operating and servicing the machine.

1.1.3 Product Specifications

Lists detailed technical specifications for the host machine and ADF/DADF.

1.1.4 Function List

Describes the operational ranges for scanning and recording functions.

Chapter 2 Basic Operation

2.1 Construction

Explains the functional configuration of the host machine's systems.

2.1.1 Function Configuration

Details the arrangement of the host machine's functional blocks.

2.2 Basic Sequence

Outlines the sequence of operations for the reader and engine from power-on.

2.2.1 Basic Operation Sequence

Describes the intervals and operations during the machine's basic sequence.

Chapter 3 Original Exposure System

3.1 Basic Construction

Provides basic construction details for the document exposure system.

3.1.1 Specifications / Control / Function List

Lists specifications, controls, and functions for document exposure.

3.1.2 Major Components

Identifies the primary components of the document exposure system.

3.2 Parts Replacement Procedure

Details the steps for replacing key parts within the exposure system.

3.2.1 Scanner Unit

Covers the procedure for removing and replacing the scanner unit.

3.2.2 Reader Motor

Explains how to prepare for and remove the reader motor.

3.2.3 Contact Sensor

Details the procedure for removing the contact sensor.

Chapter 4 Original Feeding System

4.1 Basic Operation

Describes the fundamental operation of the original feeding system.

4.1.1 Basic Operation (ADF)

Explains the basic operation of the Automatic Document Feeder (ADF).

4.1.2 Basic Operation (DADF)

Explains the basic operation of the Duplex Automatic Document Feeder (DADF).

4.1.3 Original Detection

Details the methods used for detecting original presence and end.

4.2 Detection Jams

Covers jam detection scenarios and how to release jammed paper.

4.3 ADF/DADF

Details parts and procedures related to ADF and DADF.

4.3.1 Pick-up Roller

Explains how to remove the ADF and DADF pickup rollers.

4.3.2 ADF Motor

Provides steps for preparing and removing the ADF motor.

4.3.3 Separation Pad

Details the procedure for removing ADF and DADF separation pads.

Chapter 5 Laser Exposure

5.1 Overview/Configuration

Provides an overview and configuration of the laser scanner assembly.

5.2 Controlling the Laser Activation Timing

Explains the control mechanisms for laser activation timing.

5.3 Controlling the Intensity of Laser Light

Details the Auto Photoelectric Current Control (APC) for laser intensity.

5.4 Controlling the Laser Scanner Motor

Covers the control of the laser scanner motor speed and fault detection.

5.5 Parts Replacement Procedure

Outlines the procedure for replacing the laser scanner unit.

5.5.1 Laser/Scanner Unit

Details preparation and removal steps for the laser scanner unit.

Chapter 6 Image Formation

6.1 Overview/Configuration

Describes the overall configuration of the image forming system.

6.1.1 Configuration

Details the components of the image forming system.

6.1.2 Print Process

Explains the step-by-step process of image formation for printing.

6.2 Driving and Controlling the High-Voltage System

Covers the driving and control of the high-voltage system for image formation.

6.3 Toner Cartridge

Explains the toner level detection mechanism.

6.4 Parts Replacement Procedure

Outlines the procedure for replacing the transfer charging roller.

6.4.1 Transfer Charging Roller

Details the steps for removing the transfer charging roller.

Chapter 7 Pickup and Feed System

7.1 Overview/Configuration

Provides an overview of the pickup and feeding system components.

7.2 Other Control

Details additional control mechanisms for paper pickup and feeding.

7.3 Detection Jams

Explains how jams are detected in the paper path.

7.3.1 Jam Detection Outline

Provides an outline of the jam detection logic and sensors.

7.3.2 Delay Jams

Describes pickup and delivery delay jam conditions.

7.3.3 Stationary Jams

Explains stationary jam detection scenarios.

7.3.4 Other Jams

Covers various other types of jams like door open and wrapping.

7.4 Duplex Unit

Describes the overview and operation of the duplex unit.

7.5 Parts Replacement Procedure

Outlines procedures for replacing parts in the pickup/feed system.

7.5.1 Main Motor

Details preparation and removal steps for the main motor.

7.5.2 Separation Pad

Explains how to prepare for and remove the separation pad.

7.5.3 Pickup Roller

Details the procedure for removing the pickup roller.

Chapter 8 Fixing System

8.1 Overview/Configuration

Provides an overview of the fixing system's configuration.

8.1.1 Specification/Control/Function List

Lists specifications, controls, and functions for the fixing method.

8.1.2 Overview

Describes the components and operation of the fixing unit.

8.2 Various Control Mechanisms

Details control mechanisms for the fixing unit's temperature.

8.2.1 Controlling the Temperature of the Fixing Unit

Explains temperature control modes for the fixing heater.

8.3 Protection Function

Outlines the three protection functions for the fixing heater.

8.4 Parts Replacement Procedure

Covers procedures for replacing the fixing unit and film unit.

8.4.1 Fixing Unit

Details preparation and removal of the fixing assembly.

8.4.2 Fixing Film Unit

Explains how to prepare for and remove the fixing film unit.

Chapter 9 External and Controls

9.1 Control Panel

Describes the control panel's components and operation.

9.1.1 Outline

Provides an outline of the machine's control panel structure.

9.2 Power Supply

Details the power supply route and protection functions.

9.2.1 Power Supply Route

Illustrates the flow of power supply within the machine.

9.2.2 Protection Function

Explains the protection functions for the power supply PCB.

9.3 Parts Replacement Procedure

Covers the procedure for replacing external covers and internal components.

9.3.1 Front Cover

Details the steps for removing the front cover.

9.3.2 Rear Cover

Explains how to prepare for and remove the rear cover.

9.3.3 Right Cover

Details the procedure for removing the right cover.

9.3.4 Left Cover

Explains how to remove the left cover.

9.3.5 Upper Cover

Details the preparation and removal of the upper cover.

9.3.6 Cartridge Cover

Covers preparation and removal of the printer cover (cartridge cover).

9.3.7 Operation Panel Unit

Details the removal of the control panel unit.

9.3.8 SCNT Board

Explains preparation, removal, and actions for replacing the SCNT PCB.

9.3.9 DCNT Board

Covers preparation and removal of the DCNT PCB.

9.3.10 Power Supply PCB

Details preparation and removal of the power supply PCB.

9.3.11 High-voltage Power Supply Board

Explains preparation and removal of the high voltage PCB.

Chapter 10 Maintenance and Inspection

10.1 Periodically Replaced Parts

States that there are no periodically replaced parts for this machine.

10.2 Periodical Service

Indicates that there are no specific periodical service items.

10.3 Cleaning

Lists items that require cleaning and their timing.

10.3.1 Cleaning Items

Specifies cleaning items and responsible parties for different areas.

10.3.2 Cleaning Method (External Covers)

Provides instructions for cleaning external covers.

10.3.3 Cleaning Method (Reader Unit)

Details the method for cleaning components within the reader unit.

10.3.4 Cleaning Method (Pressure Roller)

Explains the procedure for cleaning the pressure roller.

Chapter 11 Measurement and Adjustments

11.1 Basic Adjustments

Introduces basic adjustments for print and reading parameters.

11.1.1 Paper Margin Adjustment

Details how to adjust paper margins for various scanning and copy functions.

11.1.2 Reading Adjustment

Explains how to adjust scanning start positions for different modes.

11.1.3 Print Adjustment

Describes how to adjust print recording start positions for various paper paths.

Chapter 12 Correcting Faulty Images

12.1 Outline of Electrical Components

Provides an overview of electrical components like motors, sensors, and PCBs.

12.1.1 Clutch/Solenoid/Motor/Fan

Lists the solenoids and motors used in the ADF and DADF.

12.1.1.1 List of Solenoids/Motors

Identifies solenoids and motors with their symbolic names and functions.

12.1.2 Sensor

Lists the sensors used in the machine for detecting paper and other states.

12.1.2.1 List of Sensors

Identifies sensors with their symbolic names and functions.

12.1.3 PCBs

Lists the Printed Circuit Boards (PCBs) used in the machine.

12.1.3.1 List of PCBs

Identifies PCBs with their symbolic names and functions.

Chapter 13 Error Code

13.1 Error Code

Provides an overview of error codes and their purpose in diagnosing faults.

13.1.1 Error Code Outline

Explains how error codes are indicated and used for troubleshooting.

13.1.2 Error Code

Lists system, scanner, printer, and communication error codes with causes and remedies.

Chapter 14 Service Mode

14.1 Outline

Provides an overview of the Service Mode and its functions.

14.1.1 Setting Service Data

Describes how to set service data items like formatting and speed settings.

14.1.2 How to Activate Service Mode

Details the procedure for accessing the Service Mode.

14.1.3 Service Data Menu

Shows the structure of the Service Data Menu with country/region options.

14.2 Service Soft Switch Settings (SSSW)

Explains the Soft Switch Settings (SSSW) and their functions.

14.2.1 SOFT SWITCH Explained

Defines how Soft Switches are structured and interpreted.

14.3 Test Mode (TEST)

Outlines the Test Mode, including print test patterns and hardware tests.

14.3.1 Outline of test mode

Explains the purpose and operation of the static test mode.

14.3.1.2 Test mode menu

Shows how to navigate and operate the test mode menus.

14.3.2 Faculty Test

Describes faculty tests like print pattern, sensor, and key tests.

14.3.2.1 Print test pattern

Details how to print test patterns for printer and scanner checks.

14.3.2.3 Sensor test

Explains how to check the status of each sensor using the Sensor Test.

14.3.2.4 Key test

Describes how to test the functionality of the operation panel keys.

Chapter 15 Service Tools

15.1 Service Tools

Lists essential service tools used for maintenance.

15.1.1 Solvents / Lubricants Table

Provides a table of solvents and lubricants for cleaning and maintenance.

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