Description
Service Manual Table of Contents
Chapter 1 Introduction
1.1 System Construction
1.1.1 Pickup/ Delivery /Original Handling Accessories System Configuration (iR2020/iR2020J)
1.1.2 Pickup/ Delivery /Original Handling Accessories System Configuration (iR2016/iR2016J)
1.1.3 Reader Heater/ Cassette Heater System Configuration
1.1.4 Printing/Transmitting Accessories System Configuration (iR2020J/iR2016J)
1.1.5 Printing/Transmitting Accessories System Configuration (iR2020/iR2016)
1.1.6 Functions of the Printing/Transmission Functions (iR2020/iR2016)
1.2 Product Specifications
1.2.1 Names of Parts
1.2.2 Using the Machine
1.2.3 User Mode Items
1.2.4 Maintenance by the User
1.2.5 Safety
1.2.6 Product Specifications
1.2.7 Function List
Chapter 2 Installation
2.1 Making Pre-Checks
2.1.1 Selecting the Site of Installation
2.1.2 Before Starting the Work (120V TW)
2.1.3 Before Starting the Work (230V CSPL)
2.2 Unpacking and Installation
2.2.1 Unpacking and Removing the Packaging Materials
2.2.2 Installing the Drum Unit
2.2.3 Installing the Toner Bottle
2.2.4 Setting the Cassettes
2.2.5 Attaching the Ferrite Core
2.2.6 Checking the Image Quality
2.2.7 Setting the Country/Region
2.2.8 Setting the Date and Time
2.3 Checking the Connection to the Network
2.3.1 Checking the Network Connection
2.4 Installing the Card Reader
2.4.1 Points to Note
2.4.2 Checking the Contents
2.4.3 Installation Procedure
2.4.4 Registering the Card IDs
2.5 Installing the Heater PCB
2.5.1 Unpacking and Checking the Contents
2.5.2 Preparing the Host Machine
2.5.3 Installing the Heater PCB
2.6 Installing the Reader Heater
2.6.1 Unpacking and Checking the Contents
2.6.2 Installing the Reader Heater Harness
2.6.3 Removing Reader Components
2.6.4 Removing Parts at the Left of the Reader
2.6.5 Installing the Reader Heater
2.7 Installing the Cassette Heater
2.7.1 Unpacking and Checking the Contents
2.7.2 Preparing the Host Machine
2.7.3 Installing the Cassette Heater
Chapter 3 Main Controller
3.1 Construction
3.1.1 Construction and Mechanisms
3.2 Construction of the Electrical Circuitry
3.2.1 Image Processor PCB
3.3 Image Processing
3.3.1 Overview of the Image Flow
3.3.2 Construction of the Image Processing Module
3.3.3 Reader Unit Input Image Processing
3.3.4 Compressio/ Extesion/ Editing Block
3.3.5 Compressio/ Extesion/ Editing Block
3.3.6 Printer unit Output Image Processing
3.4 Flow of Image Data
3.4.1 Flow of Image Data According to Copy Functions
3.4.2 Flow of Image Data for the SEND Function
3.4.3 Flow of Image Data for the Fax Transmission
3.4.4 Flow of Image Data for the Fax Reception Function
3.4.5 Flow of Image Data for the PDL Function
3.5 Parts Replacement Procedure
3.5.1 Main Controller PCB
3.5.2 SDRAM
Chapter 4 Original Exposure System
4.1 Construction
4.1.1 Specifications, Control Methods, and Functions
4.1.2 Major Components
4.1.3 Control System Configuration
4.1.4 Reader Controller PCB
4.2 Basic Sequence
4.2.1 Basic Sequence at Power-on
4.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original)
4.2.3 Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original)
4.3 Various Control
4.3.1 Controlling the Scanner Drive System
4.3.2 Contact Image Sensor (CIS)
4.3.3 Enlargement/Reduction
4.3.4 Detecting the Size of Originals
4.3.5 Dirt Sensor Control
4.3.6 Image Processing
4.4 Parts Replacement Procedure
4.4.1 Copyboard glass
4.4.2 Reader Controller PCB
4.4.3 Scanner Motor
4.4.4 Contact sensor
4.4.5 Copyboard Cover Open/Close Sensor
4.4.6 Contact Sensor HP Sensor
4.4.7 Original Size Sensor
4.4.8 Reader Heater (option)
Chapter 5 Laser Exposure
5.1 Construction
5.1.1 Overview
5.1.2 Specifications and Control Mechanism
5.1.3 Specifications and Control Mechanism
5.1.4 Main Components
5.1.5 Control System Configuration
5.2 Various Controls
5.2.1 Controlling the Laser Activation Timing
5.2.2 Controlling the Intensity of Laser Light
5.2.3 Controlling the Laser Scanner Motor
5.2.4 Controlling the Laser Shutter
5.3 Parts Replacement Procedure
5.3.1 Laser Scanner Unit
Chapter 6 Image Formation
6.1 Construction
6.1.1 Specifications of Image Formation System
6.1.2 Major Components of Image Formation System
6.2 Image Formation Process
6.2.1 Image Formation Process
6.3 Basic Sequence
6.3.1 Basic Sequence of Operation
6.4 Driving and Controlling the High-Voltage System
6.4.1 Outline
6.5 Drum Unit
6.5.1 Outline of the Drum Unit
6.5.2 Charging Mechanism
6.6 Developing Unit
6.6.1 Outline
6.6.2 Developing Bias Control
6.7 Toner Container
6.7.1 Outline
6.8 Transfer Unit
6.8.1 Outline of the Transfer Unit
6.8.2 Controlling the Transfer Bias
6.8.3 Separation Mechanism
6.9 Photosensitive Drum Cleaning
6.9.1 Outline
6.9.2 Waste Toner Full Detection
6.10 Parts Replacement Procedure
6.10.1 Drum Unit
6.10.2 Developing Assembly
6.10.3 Transfer Charging Roller
Chapter 7 Pickup/Feeding System
7.1 Construction
7.1.1 Specifications/Configuration/Operation Methods
7.1.2 Locations of Main Units
7.1.3 Roller Layout Drawing
7.1.4 Paper Path Drawing(Printer on its own)
7.1.5 Paper Path Drawing(Finisher-U1)
7.1.6 Paper Path Drawing(Duplex Unit-A1/Finisher-U1)
7.1.7 Paper Path Drawing(Duplex-A1)
7.1.8 Paper Path Drawing(Duplex-A1/Inner 2Way Tray-E1)
7.1.9 Paper Path Drawing(Inner 2Way Tray-E1)
7.1.10 Sensor Layout Drawing
7.2 Detecting Jams
7.2.1 Delay Jams
7.2.2 Stationary Jams
7.2.3 Other Jams
7.3 Cassette Pick-Up Unit
7.3.1 Overview
7.3.2 Cassette Pickup Operation
7.3.3 Cassette Paper Size Detection
7.4 Manual Feed Pickup Unit
7.4.1 Overview
7.4.2 Post-pickup Control after Multi Manual Feed Pickup
7.5 Parts Replacement Procedure
7.5.1 Pickup Roller
7.5.2 Cassette Pickup Assembly
7.5.3 Cassette Size Sensor
7.5.4 Cassette Retry Paper Sensor
7.5.5 Cassette Paper Sensor
7.5.6 Cassette Pickup Solenoid
7.5.7 Manual Feed Tray sensor
7.5.8 Manual Feed Pickup Solenoid
7.5.9 Registration Roller
7.5.10 Registration Clutch
7.5.11 Separation Roller
7.5.12 Separation Pad
Chapter 8 Fixing System
8.1 Construction
8.1.1 Specifications, Control Mechanisms, and Functions
8.1.2 Major Components
8.2 Various Control Mechanisms
8.2.1 Controlling the Speed of the Fixing Film
8.2.2 Controlling the Fixing Film Temperature
8.2.3 Detecting the Passage of Paper
8.3 Protective Functions
8.3.1 Protective Functions
8.4 Parts Replacement Procedure
8.4.1 Fixing Unit
8.4.2 Pressure Roller
8.4.3 Fixing Film
8.4.4 Fixing Delivery Sensor
8.4.5 Fixing Film Sensor
Chapter 9 External and Controls
9.1 Control Panel
9.1.1 Overview
9.2 Fans
9.2.1 Overview
9.2.2 Fan Control
9.3 Power Supply System
9.3.1 Power Supply
9.4 Parts Replacement Procedure
9.4.1 Main Drive Assembly
9.4.2 Fixing Drive Assembly
9.4.3 Power Supply Unit
9.4.4 Control Panel
9.4.5 DC Controller PCB
9.4.6 Option Power Supply PCB
9.4.7 HVT PCB
9.4.8 Fixing Heat Discharge Fan
9.4.9 Fan Filter
9.4.10 Motor of Main Drive Assembly
9.4.11 Fixing Driver Motor
9.4.12 Left Door
Chapter 10 Maintenance and Inspection
10.1 Periodically Replaced Parts
10.1.1 Overview
10.1.2 Reader Unit
10.1.3 Printer Unit
10.2 Durables and Consumables
10.2.1 Overview
10.2.2 Reader Unit
10.2.3 Printer Unit
10.3 Scheduled Servicing Basic Procedure
10.3.1 Scheduled Servicing
Chapter 11 Standards and Adjustments
11.1 Scanning System
11.1.1 Procedure after Replacing the CIS
11.2 Image Formation System
11.2.1 Procedure after Replacing the Developing Assembly
11.3 Electrical Components
11.3.1 Procedure after Replacing the Image Processor PCB
Chapter 12 Correcting Faulty Images
12.1 Making lnitial Checks
12.1.1 Site Environment
12.1.2 Checking the Paper
12.1.3 Checking the Placement of Paper
12.1.4 Checking the Durables
12.1.5 Checking the Units and Functional Systems
12.1.6 Others
12.2 Outline of Electrical Components
12.2.1 Clutch/Solenoid
12.2.2 Motor
12.2.3 Fan
12.2.4 Sensor
12.2.5 Switch
12.2.6 Lamps, Heaters, and Others
Chapter 13 Self Diagnosis
13.1 Error Code Table
13.1.1 List of Error Codes
13.2 Error Code Details
13.2.1 Error Code Details
13.3 Jam Code
13.3.1 Jam Codes (Related to Printer Unit)
13.3.2 Jam Codes (Related to Finisher)
13.3.3 Jam Codes (Related to ADF)
13.3.4 Jam Codes (Related to Duplex Unit)
13.3.5 Jam Codes (Related to Inner 2-way Tray)
13.4 Finisher Error Codes
13.4.1 Error Code Details
13.5 FAX Error Codes
13.5.1 Outline
13.5.2 User Error Code
13.5.3 Service Error Code
Chapter 14 Service Mode
14.1 Outline
14.1.1 Outline of Service Mode
14.1.2 Using the Mode
14.2 Default settings
14.2.1 Service Mode Menus
14.3 Setting of Bit Switch (SSSW)
14.3.1 Outline
14.3.2 SSSW-SW01
14.3.3 SSSW-SW03
14.3.4 SSSW-SW04
14.3.5 SSSW-SW05
14.3.6 SSSW-SW12
14.3.7 SSSW-SW13
14.3.8 SSSW-SW14
14.3.9 SSSW-SW28
14.3.10 SSSW-SW30
14.3.11 SSSW-SW33
14.3.12 SSSW-SW34
14.4 Setting of Menu Switch (Menu)
14.4.1 Menu Switch Composition
14.4.2 <No.005 NL equalizer>
14.4.3 <No.006 telephone line monitor>
14.4.4 <No.007 ATT transmission level>
14.4.5 <No.008 V.34 modulation speed upper limit>
14.4.6 <No.009 V.34 data speed upper limit>
14.4.7 <No.010 Frequency of the pseudo CI signal>
14.5 Setting of Numeric Parameter (NUMERIC Param.)
14.5.1 Numerical Parameter Composition
14.5.2 <002: RTN transmission condition (1)><003: RTN transmission condition (2)><004: RTN transmission condition (3)>
14.5.3 <005: NCC pause length (pre-ID code)>
14.5.4 <006: NCC pause length (post-ID code)>
14.5.5 <010: line connection identification length>
14.5.6 <011: T.30 T1 timer (for reception)>
14.5.7 <013: T.30 EOL timer>
14.5.8 <016: time length to first response at time of fax/tel switchover>
14.5.9 <017: pseudo RBT signal pattern ON time length><018: pseudo RBT signal pattern OFF time
length (short)><019: pseudo RBT signal pattern OFF time length (long)>
14.5.10 <020: pseudo CI signal pattern ON time length><021: pseudo CI signal pattern OFF time length
(short)><022: pseudo CI signal pattern OFF time length (long)>
14.5.11 <023: CNG detention level for fax/tel switchover>
14.5.12 <024: pseudo RBT transmission level at time of fax/tel switchover>
14.5.13 <025: Answering machine connection function signal detection time>
14.5.14 <027: V.21 low-speed flag preamble identification length>
14.5.15 <056 – 061: Count type select >
14.6 Setting of Scanner Functions (SCANNER)
14.6.1 Setting of Bit Switch
14.6.2 Numeric Parameter Functional configuration
14.6.3 <024:CIS scan position during ADF scanning>
14.6.4 <026:Distance from the standby position of CIS to the shading start point>
14.6.5 <031Vertical scan start position adjustment>
14.6.6 <032Horizontal scan start position adjustment>
14.6.7 <033Vertical scan magnification correction>
14.6.8 <035: – 036:Reader motor speed change>
14.6.9 <041: Vertical scan start position adjustment (when scanning on a document fed from ADF)>
14.6.10 <042: Horizontal scan start position adjustment (when scanning on a document fed from ADF)>
14.6.11 <043: Horizontal scan end position correction (copy)>
14.6.12 <044: Horizontal scan end position correction (superfine)>
14.6.13 <045: Horizontal scan end position correction (fine)>
14.6.14 <046: Horizontal scan end position correction (standard)>
14.6.15 <047: Vertical scan magnification correction (when scanning on a document fed from ADF)>
14.6.16 <048: Horizontal scan magnification correction (when scanning on a document fed from ADF)>
14.6.17 <054: Pickup motor speed correction (when the ADF is used) >
14.6.18 <193: ADF special standard-sized paper: LGL misidentification-ready>
14.6.19 <194: ADF special standard-sized paper: LTR misidentification-ready>
14.6.20 <195: ADF special standard-sized paper: LTR_R misidentification-ready>
14.6.21 <196: Shading Target Value (Red)>
14.6.22 <197: Shading Target Value (Green)>
14.6.23 <198: Shading Target Value (Blue)>
14.7 Setting of Printer Functions (PRINTER)
14.7.1 Service Soft Switch Settings (PRINTER)
14.7.2 Numerin Parameter Settings (Numeric Prama.)
14.7.3 Setting of Cassette (CST)
14.8 Setting of System Functions (SYSTEM)
14.8.1 Bit Switch Settings
14.9 Registration of Accessories (ACC)
14.9.1 Accessory Registration
14.10 Display of Counter Information (COUNTER)
14.10.1 Counters
14.10.2 Clearing Counters
14.11 Service Report (REPORT)
14.11.1 Report Output
14.11.2 System Data List
14.11.3 System Dump List
14.11.4 Counter List
14.11.5 Error Log List
14.11.6 Spec List
14.11.7 Service Label
14.12 Download (DOWNLOAD)
14.12.1 Download
14.13 Initialization of Set Value (CLEAR)
14.13.1 Clear
14.14 Display of ROM Information (ROM)
14.14.1 ROM display
14.15 Test Mode (TEST)
14.15.1 Outline
14.15.2 Test Mode Menu List
14.15.3 D-RAM test<(1) D-RAM TEST>
14.15.4 Scan Test ((2) SCAN TEST)
14.15.5 Print Test ((3) PRINT TEST)
14.15.6 MODEM Test((4) MODEM TEST)
14.15.7 Function test ((6) FUNCTION TEST)
14.15.8 Roller cleaning mode ((0) ROLLER CLEAN)
Chapter 15 Upgrading
15.1 Outline
15.1.1 Overview of Upgrade
15.1.2 Overview of Service Support Tool
15.2 Making Preparations
15.2.1 Registering the System Software
15.2.2 Connection
15.3 Downloading System Software
15.3.1 Downloading System
15.3.2 Downloading BOOT
15.3.3 Other Upgrade Methods
Parts Catalog Table of Contents
