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Canon iR2420 series User Manual

Canon iR2420 series
308 pages
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May 12 2014
Service Manual
iR2422/2420/2320/2318 Series

Table of Contents

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Canon iR2420 series Specifications

General IconGeneral
Print TechnologyLaser
Paper Output100 sheets
Duplex PrintingManual
FunctionsPrint, Copy, Scan
Print Resolution600 x 600 dpi
Copy Resolution600 x 600 dpi
Zoom25-400%
Scan Resolution600 x 600 dpi
Paper Capacity250 sheets
Paper Input (Standard)250 sheets
Paper SizesA4, A5, B5, Legal, Letter, Executive
ConnectivityUSB 2.0
Operating System CompatibilityWindows, Mac, Linux

Summary

Chapter 1 Introduction

System Construction

Details on the configuration of pickup, delivery, and original handling accessories for various machine models.

Product Specifications

Overview of product specifications including names of parts, external views, and cross-sections.

Maintenance by the User

Guidelines for user maintenance tasks, including cleaning procedures for various components.

Safety

Important safety information regarding laser light, CDRH regulations, toner handling, and fire prevention.

Chapter 2 Installation

Making Pre-Checks

Essential checks before installation, including site selection and environmental requirements.

Unpacking and Installation

Procedures for unpacking the machine and installing key components like the drum unit and toner bottle.

Chapter 3 Main Controller

Image Processing

Explanation of image processing flow, including reader entry and printer output stages.

Chapter 4 Original Exposure System

Contact Image Sensor (CIS)

Explanation of the CIS structure and analog control performed by the sensor.

Chapter 5 Laser Exposure

Various Controls

Details on controlling laser activation timing, intensity, and scanner motor operations.

Chapter 6 Image Formation

Driving and Controlling the High-Voltage System

Explanation of how voltages are applied to charging and developing components for image density control.

Chapter 7 Pickup/Feeding System

Detecting Jams

Classification and causes of various jam types encountered in the pickup/feeding system.

Chapter 8 Fixing System

Construction

Specifications, control mechanisms, and major components of the fixing system.

Various Control Mechanisms

Control of fixing film speed and temperature, including target temperatures for different modes.

Chapter 9 External and Controls

Power Supply System

Details on the power supply system, including outlines and rated outputs for different configurations.

Parts Replacement Procedure

Step-by-step guides for removing various external covers and internal assemblies.

Chapter 11 Standards and Adjustments

Scanning System

Procedure for inter-channel output correction after replacing the Contact Image Sensor (CIS).

Electrical Components

Operations after replacing the Image Processor PCB, including firmware download and adjustments.

Chapter 12 Correcting Faulty Images

Making Initial Checks

Comprehensive checklist for initial checks of the site environment, paper, units, and systems.

Chapter 13 Self Diagnosis

Error Code Table

A table listing all error codes with their corresponding detail codes and explanations.

Error Code Details

Detailed explanation of error codes, including main causes/symptoms and countermeasures.

Jam Codes

Lists jam codes related to the printer unit, finisher, ADF, duplex unit, and inner 2-way tray.

Finisher Error Codes

Details on error codes specific to the finisher unit, including communication and sensor failures.

Chapter 14 Service Mode

Outline

General information about the service mode, its functions, and how to use it.

Adjust

Procedures for adjusting CIS position, reading position, and print position for optimal output.

Chapter 15 Upgrading

Downloading System Software

Detailed procedure for downloading system software using the User Support Tool (UST).

Chapter 16 Service Tools

Service Tools

List of special tools required for servicing the machine, including digital multimeter and test charts.

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