Ikhsanudin Ikhsanudin Author
Title: Manual service canon iR2018_2022_2030
Author: Ikhsanudin
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Manual service canon iR2018_2022_2030 Manual service canon iR2018_2022_2030 Contents Chapter 1 Main Controller 1.1 Construction 1.1...
Manual service canon iR2018_2022_2030
Manual service canon iR2018_2022_2030
Manual service canon iR2018_2022_2030

Contents
Chapter 1 Main Controller
1.1 Construction
1.1.1 Construction and Mechanisms
1.2 Construction of the Electrical Circuitry
1.2.1 Image Processor PCB
1.3 Image Processing1.3.1 Overview of the Image Flow
1.3.2 Construction of the Image Processing Module
1.3.3 Reader Unit Input Image Processing
1.3.4 Compressio/ Extesion/ Editing Block
1.3.5 Printer unit Output Image Processing
1.4 Flow of Image Data
1.4.1 Flow of Image Data According to Copy Functions
1.4.2 Flow of Image Data for the SEND Function
1.4.3 Flow of Image Data for the Fax Transmission
1.4.4 Flow of Image Data for the Fax Reception Function
1.4.5 Flow of Image Data for the PDL Function
1.5 Parts Replacement Procedure
1.5.1 Main Controller PCB
1.5.1.1 Preparation for Removing the Image Processor PCB
1.5.1.2 Removing the Image Processor PCB
1.5.1.3 Procedure after Replacing the Image Processor PCB
1.5.2 SDRAM
1.5.2.1 Preparation for Removing the SDRAM
1.5.2.2 Removing the SDRAM
Chapter 2 Original Exposure System
2.1 Construction
2.1.1 Specifications, Control Methods, and Functions (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)
2.1.2 Specifications, Control Methods, and Functions (iR2018i/iR2018)
2.1.3 Major Components (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)
2.1.4 Major Components (iR2018i/iR2018)
2.1.5 Control System Configuration (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)
2.1.6 Control System Configuration (iR2018i/iR2018)
2.1.7 Reader Controller PCB (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)
2.1.8 Reader Controller PCB (iR2018i/iR2018)
2.2 Basic Sequence
2.2.1 Basic Sequence at Power-on
2.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original)
2.2.3 Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original)
2.3 Various Control
2.3.1 Controlling the Scanner Drive System
2.3.1.1 Outline
2.3.1.2 Reader Motor Control
2.3.2 Contact Image Sensor (CIS)
2.3.2.1 Outline
2.3.2.2 Analog Control Performed by the CIS (iR2022i/iR2022/iR2018i/iR2018)
2.3.2.3 Analog Control Performed by the CIS (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)
2.3.3 Enlargement/Reduction
2.3.3.1 Magnification Change in Vertical Scan Direction
Contents
2.3.3.2 Magnification Change in Horizontal Scan Direction
2.3.4 Detecting the Size of Originals11
2.3.4.1 Outline
2.3.4.2 Outline of Original Size Detection 2.3.5 Dirt Sensor Control
2.3.5.1 Outline
2.3.6 Image Processing
2.3.6.1 Outline
2.3.6.3 CMOS Sensor Output Gain Correction and Offset Correction
2.3.6.4 CMOS Sensor Output A/D Conversion
2.3.6.5 Shading Correction (Outline)
2.3.6.6 Shading Adjustment
2.3.6.7 Shading Correction
2.4 Parts Replacement Procedure
2.4.1 Copyboard glass
2.4.1.1 Removing the Copyboard glass
2.4.1.2 Procedure after Replacing the Copyboard Glass (iR2020i/iR2016i)
2.4.1.3 Removing the ADF Reading Glass
2.4.2 Reader Controller PCB
2.4.2.1 Removing the Rear Cover
2.4.2.2 Removing the Right Cover (Lower)
2.4.2.3 Removing the Right Cover (Upper)
2.4.2.4 Removing the Left Cover (Rear)
2.4.2.5 Removing the Reader Rear Cover
2.4.2.6 Removing the Copyboard glass
2.4.2.7 Removing the Reader Controller PCB
2.4.3 Scanner Motor
2.4.3.1 Removing the Rear Cover
2.4.3.2 Removing the Right Cover (Lower)
2.4.3.3 Removing the Right Cover (Upper)
2.4.3.4 Removing the Left Cover (Rear)
2.4.3.5 Removing the Reader Rear Cover
2.4.3.6 Removing the Scanner Motor
2.4.4 Contact sensor
2.4.4.1 Removing the Rear Cover
2.4.4.2 Removing the Right Cover (Lower)
2.4.4.3 Removing the Right Cover (Upper)
2.4.4.4 Removing the Left Cover (Rear)
2.4.4.5 Removing the Reader Rear Cover
2.4.4.6 Removing the Copyboard glass
2.4.4.7 Removing the Contact Image Sensor (CIS)
2.4.4.8 Procedure after Replacing the CIS (iR2020i/iR2016i)
2.4.5 Copyboard Cover Open/Close Sensor
2.4.5.1 Removing the Rear Cover
2.4.5.2 Removing the Right Cover (Lower)
2.4.5.3 Removing the Right Cover (Upper)
2.4.5.4 Removing the Left Cover (Rear)
2.4.5.5 Removing the Reader Rear Cover
2.4.5.6 Removing the Copyboard Cover Open/Close Sensor (Front/Rear)
2.4.6 Contact Sensor HP Sensor
2.4.6.1 Removing the Copyboard glass
2.4.6.2 Removing the ADF Reading Glass
2.4.6.3 Removing the Contact Sensor HP Sensor
2.4.7 Original Size Sensor
2.4.7.1 Removing the Copyboard glass (iR2020/iR2020J/iR2020i)
2.4.7.2 Removing the Original Sensor (Vertical Scan Direction) (iR2020/iR2020J/iR2020i)
2.4.7.3 Removing the Original Sensor (Horizontal Scan Direction) (iR2020/iR2020J/iR2020i) 2.4.8 Reader Heater (option)
\2.4.8.1 Removing the Copyboard glass
Contents
2.4.8.2 Removing the Reader Heater (Right)
2.4.8.3 Removing the Reader Front Cover
2.4.8.4 Removing the ADF Reading Glass
2.4.8.5 Removing the Reader Heater (Left
Chapter 3 Laser Exposure
3.1 Construction.3- 1
Overview
3.1.2 Specifications and Control Mechanism
3.1.3 Main Components
3.1.4 Control System Configuration
3.2 Various Controls
3.2.1 Controlling the Laser Activation Timing
3.2.1.1 Laser Emission ON/OFF Control
3.2.1.2 Horizontal Synchronization Control
3.2.2 Controlling the Intensity of Laser Light
3.2.2.1 Automatic Photocurrent Control (APC)
3.2.3 Controlling the Laser Scanner Motor
3.2.3.1 Laser Scanner Motor Control
3.2.4 Controlling the Laser Shutter
3.2.4.1 Laser Shutter Control
3.3 Parts Replacement Procedure
3.3.1 Laser Scanner Unit
3.3.1.1 Removing the Rear Cover
3.3.1.2 Removing the Right Cover (Lower
3.3.1.3 Removing the Delivery Tray
3.3.1.4 Removing the Laser Scanner Unit
Chapter 4 Image Formation
4.1 Parts Replacement Procedure
4.1.1 Drum Unit
4.1.1.1 Removing the Drum Unit
4.1.2 Developing Assembly
4.1.2.1 Removing the Drum Unit
4.1.2.2 Removing the Rear Cover
4.1.2.3 Removing the Right Cover (Lower
4.1.2.4 Removing the Delivery Tray
4.1.2.5 Removing the Developing Assembly
4.1.2.6 Precautions about Installation of Developing Assembly
4.1.2.7 Procedure after Replacing the Developing Assembly
4.1.3 Transfer Charging Roller
4.1.3.1 Removing the Transfer Charging Roller
Chapter 5 Pickup/Feeding System
5.1 Parts Replacement Procedure
5.1.1 Pickup Roller
5.1.1.1 Removing the Cassette Paper Pickup Roller
5.1.2 Cassette
5.1.2.1 Removing the Cassette Unit (lower)
5.1.3 Cassette Pickup Assembly
5.1.3.1 Removing the Lower-left Cover
5.1.3.2 Removing the Cassette Pickup Assembly
5.1.4 Cassette Size Sensor
5.1.4.1 Removing the Paper Size Detection Switches
5.1.5 Cassette Retry Paper Sensor
5.1.5.1 Removing the Lower-left Cover
Contents
5.1.5.2 Removing the Cassette Pickup Assembly
5.1.5.3 Removing the Retry Sensor
5.1.6 Cassette Paper Sensor
5.1.6.1 Removing the Lower-left Cover
5.1.6.2 Removing the Cassette Pickup Assembly
5.1.6.3 Removing the Cassette Paper Presence/Absence Sensor
5.1.7 Cassette Pickup Solenoid
5.1.7.1 Removing the Lower-left Cover
5.1.7.2 Removing the Cassette Pickup Assembly
5.1.7.3 Removing the Cassette Pickup Solenoid
5.1.8 Manual Pickup Roller
5.1.8.1 Removing the Drum Unit
5.1.8.2 Removing the Transfer Registration Unit
5.1.8.3 Removing the Feed Guide
5.1.8.4 Removing the Multifeeder Pickup Roller
5.1.9 Manual Feed Tray paper sensor
5.1.9.1 Removing the Drum Unit
5.1.9.2 Removing the Transfer Registration Unit
5.1.9.3 Removing the Feed Guide
5.1.9.4 Removing the Multifeeder Paper Presence/Absence Sensor
5.1.10 Manual Feed Pickup Solenoid
5.1.10.1 Removing the Drum Unit
5.1.10.2 Removing the Transfer Registration Unit
5.1.10.3 Removing the Feed Guide
5.1.10.4 Removing the Multifeeder Connector Cover
5.1.10.5 Removing the Multifeeder Unit
5.1.10.6 Removing the Multifeeder Pickup Solenoid
5.1.11 Registration Roller
5.1.11.1 Removing the Drum Unit
5.1.11.2 Removing the Registration Roller
5.1.12 Registration Clutch
5.1.12.1 Removing the Rear Cover
5.1.12.2 Removing the Registration Clutch
5.1.13 Separation Roller
5.1.13.1 Removing the Feed and Separation Rollers
5.1.14 Separation Pad
5.1.14.1 Removing the Drum Unit
5.1.14.2 Removing the Transfer Registration Unit
5.1.14.3 Removing the Feed Guide
5.1.14.4 Removing the Multifeeder Pickup Roller
5.1.14.5 Removing the Separation Pad
Chapter 6 External and Controls
6.1 Parts Replacement Procedure
6.1.1 External Covers
6.1.1.1 Rear Cover6.1.1.2 Left Cover (Rear)
6.1.2 Main Drive Assembly
6.1.2.1 Removing the Drum Unit
6.1.2.2 Removing the Rear Cover
6.1.2.3 Removing the Left Cover (Rear)
6.1.2.4 Removing the Main Motor
6.1.2.5 Removing the Registration Clutch
6.1.2.6 Removing the Main Drive Unit
6.1.3 Fixing Drive Assembly
6.1.3.1 Removing the Drum Unit
6.1.3.2 Removing the Rear Cover
6.1.3.3 Removing the Left Cover (Rear)
6.1.3.4 Removing the Left Door
Contents
6.1.3.5 Removing the Fixing Unit
6.1.3.6 Removing the SDRAM
6.1.3.7 Removing the SDRAM
6.1.3.8 Removing the LAN Cover
6.1.3.9 Removing the IP Cover
6.1.3.10 Removing the Image Processor PCB Mount
6.1.3.11 Removing the Fixing Drive Unit
6.1.4 Power Supply Unit
6.1.4.1 Removing the Rear Cover
6.1.4.2 Removing the Right Cover (Lower
6.1.4.3 Removing the Delivery Tray
6.1.4.4 Removing the Main Power Supply PCB
6.1.5 Control Panel
6.1.5.1 Removing the Reader Front Cover
6.1.5.2 Removing the Operation Panel Unit (iR2020i/iR2016i
6.1.6 DC Controller PCB
6.1.6.1 Removing the Rear Cover
6.1.6.2 Removing the DC Controller PCB
6.1.7 Option Power Supply PCB
6.1.7.1 Removing the Rear Cover
6.1.7.2 Removing the Right Cover (Lower
6.1.7.3 Removing the Delivery Tray
6.1.7.4 Removing the Option Power Supply PCB
6.1.8 HVT PCB
6.1.8.1 Removing the Rear Cover
6.1.8.2 Removing the Right Cover (Lower
6.1.8.3 Removing the Delivery Tray
6.1.8.4 Removing the Main Power Supply PCB
6.1.8.5 Removing the HVT PCB
6.1.9 Fixing Heat Discharge Fan
6.1.9.1 Removing the Fixing Heat Discharge Fan
6.1.10 Fan Filter
6.1.10.1 Removing the Fan Filter
6.1.11 Motor of Main Drive Assembly
6.1.11.1 Removing the Rear Cover
6.1.11.2 Removing the Main Motor
6.1.12 Fixing Driver Motor
6.1.12.1 Removing the Rear Cover
6.1.12.2 Removing the Left Cover (Rear) 6.1.12.3 Removing the RAM Cover
6.1.12.4 Removing the SDRAM
6.1.12.5 Removing the LAN Cover
6.1.12.6 Removing the IP Cover
6.1.12.7 Removing the Image Processor PCB Mount
6.1.12.8 Removing the Fixing Unit Drive Motor
6.1.13 Left Door 6- 15
6.1.13.1 Removing the Drum Unit
6.1.13.2 Removing the Rear Cover
6.1.13.3 Removing the Left Cover (Rear)
6.1.13.4 Removing the Left Door
Chapter 7 RDS
7.1 RDS7.1.1 Overview
7.1.2 Application Operation Mode
7.1.3 Communication Test
7.1.4 Communication Log7.1.5 Detail of Communication Log
7.1.6 Initialization of e-RDS
Contents
7.1.7 SOAP Communication Function
7.1.8 Retransmission at the time of SOAP Transmission Error
7.1.9 e-RDS Setting Screen7.1.10 Report Output of Communication Error Log
7.1.11 Sleep Operation
7.1.12 Alarm Filtering, Alert Filtering
7.1.13 CA Certificate
7.1.14 Settings of Network Connection (Installation/Maintenance)
7.1.15 Settings of e-RDS (Installation/Maintenance)
7.1.16 Troubleshooting
7.1.17 Error Message list

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