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Canon MF4300 Series, Service Manual

Service Manual Canon MF4300 Series;
This manual, Canon MF4300 Series, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Canon MF4300 Series copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Canon MF4300 Series photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Chapter 1. INTRODUCTION
1.1 Product Specifications
1.1.1 Names of Parts
1.1.1.1 External View
1.1.1.2 Section View (Host Machine)
1.1.1.3 Section View (ADF/DADF)
1.1.1.4 Control panel
1.1.2 Safety
1.1.2.1 Safety of the Host Machine's Laser Mechanism
1.1.2.2 CDRH Regulations
1.1.2.3 Handling of the Laser Assembly
1.1.2.4 Safety of the Toner
1.1.2.5 Fire Attention
1.1.2.6 Points no Note when Replacing / Disposing the Lithium Battery
1.1.3 Product Specifications
1.1.3.1 Host Machine Specifications
1.1.3.2 ADF/DADF Specifications
1.1.3.3 FAX Specifications
1.1.4 Function List
1.1.4.1 Scanning Range (ADF/DADF)
1.1.4.2 Scanning Range (copyboard)
1.1.4.3 Recording Range (Copy)
1.1.4.4 Recording Range (Reception)
1.1.4.5 Recording Range (Printer)
1.1.4.6 Operation Environment of the Printer Driver
1.1.4.7 Network Specifications

Chapter 2. BASIC OPERATION
2.1 Construction
2.1.1 Function Configuration
2.2 Basic Sequence
2.2.1 Basic Operation Sequence

Chapter 3. ORIGINAL EXPOSURE SYSTEM
3.1 Basic Construction
3.1.1 Specifications / Control / Function List
3.1.2 Major Components
3.2 Parts Replacement Procedure
3.2.1 Scanner Unit
3.2.1.1 Preparation for Removing the Scanner Unit
3.2.1.2 Removing the Scanner Unit
3.2.2 Reader Motor
3.2.2.1 Preparation for Removing the Flat Bed Motor
3.2.2.2 Removing the Flat Bed Motor
3.2.3 Contact Sensor
3.2.3.1 Removing the Contact Sensor

Chapter 4. ORIGINAL FEEDING SYSTEM
4.1 Basic Operation
4.1.1 Basic Operation (ADF)
4.1.2 Basic Operation (DADF)
4.1.3 Original Detection
4.2 Detection Jams
4.2.1 Jam Detection
4.3 ADF/DADF
4.3.1 Pick-up Roller
4.3.1.1 Removing the ADF Pickup Roller
4.3.1.2 Removing the DADF Pickup Roller Unit
4.3.2 ADF Motor
4.3.2.1 Preparation for Removing the ADF/DADF Motor
4.3.2.2 Removing the ADF Motor
4.3.2.3 Removing the DADF Motor
4.3.3 Separation Pad
4.3.3.1 Removing the ADF Separation Pad
4.3.3.2 Removing the DADF Separation Pad

Chapter 5. LASER EXPOSURE
5.1 Overview/Configuration
5.1.1 Overview
5.2 Controlling the Laser Activation Timing
5.2.1 Laser ON / OFF Control
5.3 Controlling the Intensity of Laser Light
5.3.1 Auto Photoelectric Current Control (APC)
5.4 Controlling the Laser Scanner Motor
5.4.1 Overview
5.4.2 Scanner Motor Speed Control
5.4.3 Detection of Fault of the Scanner Motor
5.5 Parts Replacement Procedure
5.5.1 Laser/Scanner Unit
5.5.1.1 Preparation for Removing the Laser Scanner Unit
5.5.1.2 Removing the Laser Scanner Unit

Chapter 6. IMAGE FORMATION
6.1 Overview/Configuration
6.1.1 Configuration
6.1.2 Print Process
6.2 Driving and Controlling the High-Voltage System
6.2.1 Generation of Transfer Charging Bias
6.3 Toner Cartridge
6.3.1 Toner Level Detection
6.4 Parts Replacement Procedure
6.4.1 Transfer Charging Roller
6.4.1.1 Removing the Transfer Charging Roller

Chapter 7. PICKUP AND FEED SYSTEM
7.1 Overview/Configuration
7.1.1 Overview
7.2 Other Control
7.2.1 Overview
7.3 Detection Jams
7.3.1 Jam Detection Outline
7.3.1.1 Overview
7.3.2 Delay Jams
7.3.2.1 Pickup Delay Jam
7.3.2.2 Delivery Delay Jam
7.3.3 Stationary Jams
7.3.3.1 Pickup Stationary Jam
7.3.3.2 Delivery Stationary Jam
7.3.4 Other Jams
7.3.4.1 Door Open Jam
7.3.4.2 Wrapping Jam
7.3.4.3 Residual Jam at Startup
7.4 Duplex Unit
7.4.1 Overview
7.5 Parts Replacement Procedure
7.5.1 Main Motor
7.5.1.1 Preparation for Removing Main Motor
7.5.1.2 Removing Main Motor
7.5.2 Separation Pad
7.5.2.1 Preparation for Removing Separation Pad
7.5.2.2 Removing Separation Pad
7.5.3 Pickup Roller
7.5.3.1 Removing Pickup Roller

Chapter 8. FIXING SYSTEM
8.1 Overview/Configuration
8.1.1 Specification/Control/Function List
8.1.2 Overview
8.2 Various Control Mechanisms
8.2.1 Controlling the Temperature of the Fixing Unit
8.2.1.1 Fixing Temperature Control
8.3 Protection Function
8.3.1 Protection Function
8.4 Parts Replacement Procedure
8.4.1 Fixing Unit
8.4.1.1 Preparation for Removing Fixing Assembly
8.4.1.2 Removing Fixing Assembly
8.4.2 Fixing Film Unit
8.4.2.1 Preparation for Removing Fixing Film Unit
8.4.2.2 Removing Fixing Film Unit

Chapter 9. EXERNAL AND CONTROLS
9.1 Control Panel
9.1.1 Outline
9.2 Power Supply
9.2.1 Power Supply
9.2.1.1 Power Supply Route
9.2.2 Protection Function
9.2.2.1 Protecting Function
9.3 Parts Replacement Procedure
9.3.1 Front Cover
9.3.1.1 Removing the Front Cover
9.3.2 Rear Cover
9.3.2.1 Preparation for Removing the Rear Cover
9.3.2.2 Removing the Rear Cover
9.3.3 Right Cover
9.3.3.1 Removing the Right Cover
9.3.4 Left Cover
9.3.4.1 Removing the Left Cover
9.3.5 Upper Cover
9.3.5.1 Preparation for Removing the Upper Cover
9.3.5.2 Removing the Upper Cover
9.3.6 Cartridge Cover
9.3.6.1 Preparation for Removing the Printer Cover
9.3.6.2 Removing the Printer Cover
9.3.7 Operation Panel Unit
9.3.7.1 Removing the Control Panel Unit
9.3.8 SCNT Board
9.3.8.1 Preparation for Removing the SCNT PCB
9.3.8.2 Removing the SCNT PCB
9.3.8.3 Actions At Replacing the SCNT PCB
9.3.9 DCNT Board
9.3.9.1 Preparation for Removing the DCNT PCB
9.3.9.2 Removing the DCNT PCB
9.3.10 Power Supply PCB
9.3.10.1 Preparation for Removing the Power Supply PCB
9.3.10.2 Removing the Power Supply PCB
9.3.11 High-voltage Power Supply Board
9.3.11.1 Preparation for Removing the High Voltage PCB
9.3.11.2 Removing the High Voltage PCB

Chapter 10. MAINTENANCE AND INSPECTION
10.1 Periodically Replaced Parts
10.1.1 Periodically Replaced Parts
10.2 Periodical Service
10.2.1 Periodically Service Items
10.3 Cleaning
10.3.1 Cleaning Items
10.3.2 Cleaning Method (External Covers)
10.3.3 Cleaning Method (Reader Unit)
10.3.4 Cleaning Method (Pressure Roller)

Chapter 11. MEASUREMENT AND ADJUSTMENTS
11.1 Basic Adjustments
11.1.1 Paper Margin Adjustment
11.1.2 Reading Adjustment
11.1.3 Print Adjustment

Chapter 12. CORRECTING FAULTY IMAGES
12.1 Outline of Electrical Components
12.1.1 Clutch/Solenoid/Motor/Fan
12.1.1.1 List of Solenoids/Motors
12.1.2 Sensor
12.1.2.1 List of Sensors
12.1.3 PCBs
12.1.3.1 List of PCBs

Chapter 13. ERROR CODE
13.1 Error Code
13.1.1 Error Code Outline
13.1.2 Error Code

Chapter 14. SERVICE MODE
14.1 Outline
14.1.1 Setting Service Data
14.1.2 How to Activate Service Mode
14.1.3 Service Data Menu
14.2 Service Soft Switch Settings (SSSW)
14.2.1 Outline
14.2.1.1 SOFT SWITCH Explained
14.2.2 SSSW-SW02:
14.2.2.1 Function List
14.2.2.2 Bit 2 and 3 Elaborated
14.2.2.3 Bit 5 Elaborated
14.2.3 SSSW-SW04
14.2.3.1 Function List
14.2.3.2 Bit 8 Elaborated
14.2.4 SSSW-SW10
14.2.4.1 Function List
14.2.4.2 Bit 1 Elaborated
14.2.4.3 Bit 2 Elaborated
14.2.5 SSSW-SW16
14.2.5.1 Function List
14.2.6 SSSW-SW20
14.2.7 SSSW-SW21
14.2.7.1 Function List
14.2.7.2 Bit 4 Elaborated
14.2.8 SSSW-SW23
14.2.9 SSSW-SW30
14.2.9.1 Function List
14.2.9.2 Bit 7 and 8 Elaborated
14.2.10 SSSW-SW37
14.2.10.1 Function List
14.2.10.2 Bit 1 to Bit 6 Elaborated
14.2.11 SSSW-SW39
14.2.11.1 Function List
14.2.11.2 Bit 7 Elaborated
14.2.11.3 Bit 8 Elaborated
14.2.12 SSSW-SW51
14.2.12.1 Function List
14.2.12.2 Bit 3 and 4 Elaborated
14.2.13 SSSW-SW54
14.2.13.1 Function List
14.2.13.2 Bit 6 and 7 Elaborated
14.3 Test Mode (TEST)
14.3.1 Overview
14.3.1.1 Outline of test mode
14.3.1.2 Test mode menu
14.3.2 Faculty Test
14.3.2.1 Print test pattern
14.3.2.3 Sensor test
14.3.2.4 Key test

Chapter 15. SERVICE TOOLS
15.1 Service Tools
15.1.1 Solvents / Lubricants Table

Number of pages: 182.
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