Canon LBP3000; LBP2900 Series (Service Manual)

Сервисный мануал на лазерный принтер Canon LBP3000; LBP2900 Series​

Файл в формате PDF на английском языке



Contents

• Chapter 1 PRODUCT DESCRIPTION
• 1.1 Features
• 1.2 Product Specifications
• 1.2.1 Machine Specifications
• 1.2.2 Machine Specifications
• 1.3 Name of Parts
• 1.3.1 External View
• 1.3.2 External View
• 1.3.3 Cross Section View
• 1.4 Using the Machine
• 1.4.1 Control Panel
• 1.5 Safety
• 1.5.1 Safety of Laser Light
• 1.5.2 Regulations Under the Center for Devices and Radiological Health (CDRH)
• 1.5.3 Safety of Toner
• 1.5.4 Handling the Laser Unit
• Chapter 2 TECHNICAL REFERENCE
• 2.1 Functional Configuration
• 2.1.1 Outline
• 2.2 Basic Sequense
• 2.2.1 Basic Operation Sequence
• 2.2.2 Power-on sequence
• 2.3 LASER EXPOSURE SYSTEM
• 2.3.1 Overview/Configuration
• 2.3.1.1 Overview
• 2.3.2 Controlling the Laser Activation Timing
• 2.3.2.1 Turning On/Off the Laser
• 2.3.2.2 Horizontal Synchronization Control
• 2.3.3 Laser Control
• 2.3.3.1 Auto Photo Current Control
• 2.3.4 Laser Scanner Motor Control
• 2.3.4.1 Outline
• 2.3.4.2 Scanner Motor Speed Control
• 2.3.4.3 Detection of a Fault in the Scanner Motor
• 2.4 IMAGE FORMATION SYSTEM
• 2.4.1 Overview/Configuration
• 2.4.1.1 Construction
• 2.4.1.2 Printing Process
• 2.4.1.3 Latent Image Formation Block
• 2.4.1.4 Development Block
• 2.4.1.5 Transfer Block
• 2.4.1.6 Fixing Block
• 2.4.1.7 Drum Cleaning Block
• 2.4.2 High-Voltage Control
• 2.4.2.1 Outline
• 2.4.2.2 Generation of the Primary Charging Bias
• 2.4.2.3 Generation of the Developing Bias
• 2.4.2.4 Generation of the Transfer Charging Bias
• 2.4.3 Toner Cartridge
• 2.4.3.1 Checking the Presence/Absence of a Toner Cartridge
• 2.4.3.2 Checking the Level of Toner
• 2.5 PICKUP AND FEEDING SYSTEM
• 2.5.1 Overview/Configuration
• 2.5.1.1 Outline
• 2.5.2 Detecting Jams
• 2.5.2.1 Jam Detection Outline
• 2.5.2.2 Delay Jams
• 2.5.2.3 Stationary Jams
• 2.5.2.4 Other Jams
• 2.5.3 Multi-purpose Pickup
• 2.5.3.1 Pickup from the Pickup Tray/Manual Feed Tray
• 2.6 EXTERNAL AND CONTROLS SYSTEM
• 2.6.1 Power Supply
• 2.6.1.1 Power Supply
• 2.6.1.2 Protective Functions
• 2.7 ENGINE CONTROL SYSTEM
• 2.7.1 Video Controller
• 2.7.1.1 Overview
• 2.7.1.2 Outline of Operation by Block
• 2.7.2 Engine Controller
• 2.7.2.1 Outline
• 2.8 FIXING UNIT/DELIVERY SYSTEM
• 2.8.1 Overview/Configuration
• 2.8.1.1 Overview
• 2.8.1.2 Major Components of the Fixing Assembly
• 2.8.2 Various Control Mechanisms
• 2.8.2.1 Fixing Temperature Control
• 2.8.2.2 Protective Functions
• Chapter 3 DISASSEMBLY AND ASSEMBLY
• 3.1 EXTERNAL AND CONTROLS SYSTEM
• 3.1.1 Rear Cover
• 3.1.1.1 Removing the Right Cover
• 3.1.1.2 Removing the Left Cover
• 3.1.1.3 Removing the Front Cover
• 3.1.1.4 Removing the Upper Cover
• 3.1.1.5 Removing the Rear Cover
• 3.1.2 Right Cover
• 3.1.2.1 Removing the Right Cover
• 3.1.3 Left Cover
• 3.1.3.1 Removing the Left Cover
• 3.1.4 Upper Cover
• 3.1.4.1 Removing the Right Cover
• 3.1.4.2 Removing the Left Cover
• 3.1.4.3 Removing the Front Cover
• 3.1.4.4 Removing the Upper Cover
• 3.1.5 Front Cover
• 3.1.5.1 Removing the Right Cover
• 3.1.5.2 Removing the Left Cover
• 3.1.5.3 Removing the Front Cover
• 3.1.6 Delivery Tray
• 3.1.6.1 Removing the Delivery Tray
• 3.1.7 Pickup Tray
• 3.1.7.1 Removing the Pickup Tray
• 3.1.8 Engine controller board
• 3.1.8.1 Removing the Right Cover
• 3.1.8.2 Removing the Left Cover
• 3.1.8.3 Removing the Front Cover
• 3.1.8.4 Removing the Engine Controller PCB
• 3.1.9 Video Controller Board
• 3.1.9.1 Removing the Right Cover
• 3.1.9.2 Removing the Video Controller PCB
• 3.1.10 Power supply board
• 3.1.10.1 Removing the Right Cover
• 3.1.10.2 Removing the Left Cover
• 3.1.10.3 Removing the Front Cover
• 3.1.10.4 Removing the Upper Cover
• 3.1.10.5 Removing the Rear Cover
• 3.1.10.6 Removing the Power Supply PCB
• 3.1.11 Top sensor
• 3.1.11.1 Removing the Right Cover
• 3.1.11.2 Removing the Left Cover
• 3.1.11.3 Removing the Front Cover
• 3.1.11.4 Removing the Upper Cover
• 3.1.11.5 Removing the Rear Cover
• 3.1.11.6 Removing the Paper Leading Edge/Paper Width Sensor PCB
• 3.2 LASER EXPOSURE SYSTEM
• 3.2.1 Laser Scanner Unit
• 3.2.1.1 Removing the Right Cover
• 3.2.1.2 Removing the Left Cover
• 3.2.1.3 Removing the Front Cover
• 3.2.1.4 Removing the Engine Controller PCB
• 3.2.1.5 Removing the Laser Scanner Unit
• 3.3 IMAGE FORMATION SYSTEM
• 3.3.1 Transfer Charging Roller
• 3.3.1.1 Removing the Transfer Charging Roller
• 3.4 PICKUP AND FEEDING SYSTEM
• 3.4.1 Pickup Unit
• 3.4.1.1 Removing the Transfer Charging Roller
• 3.4.1.2 Removing the Right Cover
• 3.4.1.3 Removing the Left Cover
• 3.4.1.4 Removing the Front Cover
• 3.4.1.5 Removing the Upper Cover
• 3.4.1.6 Removing the Rear Cover
• 3.4.1.7 Removing the Power Supply PCB
• 3.4.1.8 Removing the Fixing Assembly
• 3.4.1.9 Removing the Pickup Assembly
• 3.4.2 Manual Pickup Roller
• 3.4.2.1 Removing the Pickup Roller
• 3.4.3 Multi-purpose Pickup Solenoid
• 3.4.3.1 Removing the Right Cover
• 3.4.3.2 Removing the Pickup Solenoid
• 3.4.4 Manual Separation Pad
• 3.4.4.1 Removing the Separation Pad
• 3.4.5 Main Motor
• 3.4.5.1 Removing the Right Cover
• 3.4.5.2 Removing the Left Cover
• 3.4.5.3 Removing the Front Cover
• 3.4.5.4 Removing the Engine Controller PCB
• 3.4.5.5 Removing the Laser Scanner Unit
• 3.4.5.6 Removing the Main Motor
• 3.5 FIXING SYSTEM
• 3.5.1 Fixing Unit
• 3.5.1.1 Removing the Right Cover
• 3.5.1.2 Removing the Left Cover
• 3.5.1.3 Removing the Front Cover
• 3.5.1.4 Removing the Upper Cover
• 3.5.1.5 Removing the Rear Cover
• 3.5.1.6 Removing the Power Supply PCB
• 3.5.1.7 Removing the Fixing Assembly
• 3.5.2 Fixing Film Unit
• 3.5.2.1 Removing the Right Cover
• 3.5.2.2 Removing the Left Cover
• 3.5.2.3 Removing the Front Cover
• 3.5.2.4 Removing the Upper Cover
• 3.5.2.5 Removing the Rear Cover
• 3.5.2.6 Removing the Power Supply PCB
• 3.5.2.7 Removing the Fixing Assembly
• 3.5.2.8 Removing the Fixing Film Unit
• 3.5.3 Fixing Pressure Roller
• 3.5.3.1 Removing the Right Cover
• 3.5.3.2 Removing the Left Cover
• 3.5.3.3 Removing the Front Cover
• 3.5.3.4 Removing the Upper Cover
• 3.5.3.5 Removing the Rear Cover
• 3.5.3.6 Removing the Power Supply PCB
• 3.5.3.7 Removing the Fixing Assembly
• 3.5.3.8 Removing the Fixing Film Unit
• 3.5.3.9 Removing the Pressure Roller
• 3.5.4 Delivery Sensor
• 3.5.4.1 Removing the Right Cover
• 3.5.4.2 Removing the Left Cover
• 3.5.4.3 Removing the Front Cover
• 3.5.4.4 Removing the Upper Cover
• 3.5.4.5 Removing the Rear Cover
• 3.5.4.6 Removing the Delivery Sensor
• Chapter 4 MAINTENANCE AND INSPECTION
• 4.1 Periodically Replaced Parts
• 4.1.1 Periodic Replacement Parts
• 4.2 Consumables
• 4.2.1 Consumable Parts
• 4.3 Periodical Service
• 4.3.1 Periodic Service
• 4.4 Cleaning
• 4.4.1 Items to Clean
• 4.4.2 Cleaning (external covers)
• 4.4.3 Cleaning (printer unit)
• Chapter 5 TROUBLESHOOTING
• 5.1 Countermeasures
• 5.1.1 Image Faults
• 5.1.1.1 Partially Blank/Streaked
• 5.1.1.2 Smudged/Streaked
• 5.1.1.3 Ghost / Memory
• 5.2 MEASUREMENT AND ADJUSTMENT
• 5.2.1 Mechanical Adjustment
• 5.2.1.1 Checking the Pressure of the Pressure Roller (nip)
• 5.3 SERVICE TOOLS
• 5.3.1 Special Tools
• 5.3.2 Solvent/Oil List
• 5.4 Location of Convectors
• 5.4.1 Location of Convectors
• 5.5 ERROR CODE TABLE
• 5.5.1Overview
• 5.5.2 Service Messages
• Chapter 6 APPENDIX
• 6.1 OUTLINE OF ELECTRICAL COMPONENTS
• 6.1.1 Clutch/Solenoid
• 6.1.1.1 Solenoid