Canon iR C2880 series Manuals

Manuals and User Guides for Canon iR C2880 series. We have 3 Canon iR C2880 series manuals available for free PDF download: Service Manual

Canon iR C2880 series Service Manual (774 pages)

Brand: Canon | Category: All in One Printer | Size: 26.88 MB

Table of Contents

6
Chapter 8 Pickup/Feeding System

14
Chapter 18 Upgrading

26
- Chapter 1 Introduction
  
  27
  - System Construction
    30
    
    System Configuration 1 (Delivery Accessories)
    30
    
    System Configuration Overview (Delivery Accessories)
    30
    
    System Configuration 2 (Delivery Accessories)
    31
    
    System Configuration 3 (Delivery Accessories)
    33
    
    System Configuration (Delivery Accessories)
    34
    
    System Configuration (Pickup/Original Processing Accessories)
    36
    
    Cassette Heater System Configuration 1
    39
    
    System Configuration (Printing/Transmission Accessories) (USA)
    39
    
    System Configuration (Printing/Transmission Accessories)
    40
    
    Functions of Printing/Transmission Accessories
    42
    
    Functions of Printing/Transmission Accessories (USA)
    42
    
    Other Options
    43
  - Product Specifications
    43
    
    External View
    43
    
    Names of Parts
    43
    
    Cross Section
    45
    
    Points to Note about Turning off the Main Power Switch
    46
    
    Turning on the Power Switch
    46
    
    Using the Machine
    46
    
    Common Settings
    48
    
    User Mode Items
    48
    
    Common Settings
    51
    
    Adjustment/Cleaning
    53
    
    Timer Settings
    53
    
    Report Settings
    54
    
    System Settings
    54
    
    System Settings
    58
    
    Communications Settings
    60
    
    Copy Settings
    60
    
    Address Book Settings
    63
    
    Mail Box Settings
    63
    
    Cleaning
    65
    
    User Maintenance
    65
    
    Inspection
    69
    
    CDRH Act
    71
    
    Handling of Laser System
    71
    
    Laser Safety
    71
    
    Safety
    71
    
    Notes When Handling a Lithium Battery
    72
    
    Safety of Toner
    72
    
    Notes before It Works Serving
    73
    
    Product Specifications
    73
    
    Type and Function
    73
    
    Others
    74
    
    Function List
    75
    
    Others
    75
    
    Print Speed (Image)
    75
    
    Type of Paper
    75
    
    Type of Paper
    77
- Chapter 2 Installation
  
  79
  - Making Pre-Checks
    83
    
    Selecting the Site of Installation
    83
    
    Check to Make before Installation
    84
    
    Combination Table of Accessory Installation
    84
    
    Checking the Contents
    86
  - Unpacking and Installation
    88
    
    Installation of the Drum Unit
    88
    
    Installation of the Scanner
    88
    
    Unpacking
    88
    
    Installation of the Toner Retainer
    93
    
    Attaching Other Parts
    94
    
    Connection of the Cable
    94
    
    Points to Note When Turning off the Main Power
    94
    
    Automatic Gradation Correction
    96
    
    Fixing the Machine in Place
    96
    
    Setting up the Cassette
    96
    
    Adjusting the Image Position
    97
  - Checking the Connection to the Network
    100
    
    Making Checks Using a Remote Host Address
    100
    
    Using PING
    100
  - Troubleshooting the Network
    100
    
    Making a Check Using a Local Host Address
    100
    
    Making Checks Using a Loopback Address
    100
  - Checking the Images/Operations
    101
    
    Checking the Images
    101
  - Relocating the Machine
    101
  - Installing the Copy Tray
    101
    
    Checking the Components
    101
    
    Installation Procedure
    101
    
    Turning off the Machine
    101
  - Installing the Card Reader
    102
    
    Installation Procedure in the Imageware Accounting Manager (Hereinafter Referred to Iwam Environment
    104
  - Installing the Original Tray
    105
  - Installing the Key Switch Unit
    106
    
    Checking after Installation
    107
    
    Turning off the Host Machine
    108
  - Installing the Voice Operation Kit
    112
    
    Turning off the Host Machine
    113
  - Installing the Wireless Network Interface Adapter
    120
    
    Turning off the Host Machine
    121
    
    Affixing the Label
    124
    
    Cleaning the Copyboard Glass
    126
    
    Affixing Labels
    129
    
    Turning off the Host Machine
    130
    
    Turning off the Host Machine
    131
Construction/Basic Sequence

136
- Construction
  138
  - Functional Construction
    138
- Chapter 3 Basic Operation
  
  139
  - Connections Among Major Pcbs
    139
    
    Basic Sequence
    140
    
    Basic Sequence of Operations at Power-On
    140
    
    Basic Sequence of Operations for a Print Job (Full Color)
    140
    
    Basic Sequence of Operations for a Print Job (Mono Color)
    141
Table of Contents

145
- Construction
  147
  - Construction and Functions
    147
- Construction of the Electrical Circuitry
  148
  - Sram Pcb
    148
- Start-Up Sequence
  150
  - Overview
    150
- Actions When HDD Error
  153
  - E602 in Detail
    153
- Image Processing
  157
- Flow of Image Data
  160
- Parts Replacement Procedure
  164
- Chapter 4 Main Controller
  
  166
  - Main Controller PCB (Sub SJ-A)
    166
    
    Before Removing the Main Controller PCB (Sub RB-A2)
    167
    
    Before Removing the SRAM
    167
    
    Removing the Main Controller PCB (Sub RB-A2)
    167
    
    Sram Pcb
    167
    
    Before Removing the Boot ROM PCB
    168
    
    Before Removing the Image Memory (SDRAM) PCB
    168
    
    Boot ROM PCB
    168
    
    Image Memory (SDRAM)
    168
    
    Removing the Boot ROM PCB
    168
    
    Removing the Image Memory (SDRAM) PCB
    168
    
    Removing the SRAM
    168
    
    When Replacing the SRAM PCB
    168
    
    Before Removing the HDD
    169
    
    Hdd
    169
    
    Removing the HDD
    169
    
    When Replacing the HDD
    169
    
    Before Removing the Controller Fan
    170
    
    Controller Fan
    170
    
    Removing the Controller Fan
    170
Table of Contents

173
- Construction
  175
  - Specifications, Control Mechanisms, and Functions
    175
  - Major Components
    175
  - Construction of the Control System
    176
  - Reader Controller PCB
    178
- Basic Sequence
  179
- Various Control Mechanisms
  181
  - Controlling the Scanner Drive System
    181
    
    Overview
    181
    
    Reader Motor Control
    181
  - Contact Image Sensor (CIS)
    183
    
    Overview
    183
    
    Analog Control Inside the Contact Image Sensor (CIS)
    184
  - Enlargement/Reduction
    184
    
    Changing the Magnification in Main Scanning Direction
    184
    
    Changing the Magnification in Sub Scanning Direction
    184
  - Controlling the Scanning Lamp
    185
    
    Activation Control
    185
    
    Error Detection
    185
    
    Overview
    185
    
    Scanning Lamp
    185
  - Detecting the Size of Originals
    185
    
    Overview of Detection Operation
    187
    
    Points of Original Size Detection
    187
  - Dirt Sensor Control
    189
    
    Overview
    189
  - Image Processing
    191
    
    Overview
    191
    
    A/D Conversion of the CCD Output
    192
    
    Driving the CCD
    192
    
    Gain Correction and Offset Correction for the CCD Output
    192
    
    Shading Adjustment
    193
    
    Shading Correction
    193
    
    Shading Correction (Outline)
    193
- Parts Replacement Procedure
  194
  - Copyboard Glass
    194
    
    After Replacing the Copyboard Glass
    194
    
    Removing the Copyboard Glass
    194
    
    After Replacing the ADF Reading Glass
    195
    
    Removing the ADF Reading Glass
    195
  - Reader Controller PCB
    196
    
    Before Removing the Reader Controller PCB
    196
    
    Before Replacing the Reader Controller PCB
    196
    
    Removing the Reader Controller PCB
    196
    
    After Replacing the Reader Controller PCB
    197
- Inverter PCB
  198
  - Before Removing the Inverter PCB
    198
  - Removing the Inverter PCB
    198
- Contact Sensor
  199
- Scanner Motor
  199
  - Before Removing the Scanner Motor
    199
  - Removing the Scanner Motor
    199
- Original Cover Sensor
  200
  - Before Removing the Copyboard Cover Open/Closed Sensor (Front/Rear)
    200
  - Removing the Copyboard Cover Open/Closed Sensor (Front/Rear)
    200
- Original Sensor
  201
  - Contact Sensor HP Sensor
    201
Construction/Various Control

205
- Construction
  207
  - Overview
    207
  - Specifications, Control Mechanisms, and Functions
    207
- Various Control
  209
- Chapter 6 Laser Exposure
  
  215
  - Controlling the Intensity of Laser Light
    215
  - Controlling the Laser Scanner Motor
    216
    
    Parts Replacement Procedure
    218
    
    After Replacing the Laser Scanner Unit
    219
Table of Contents

222
- Construction
  224
  - Specifications, Control Mechanisms, and Functions
    224
  - Overview
    225
  - Printing Process
    226
  - Static Image Formation Block
    227
  - Developing Block
    229
  - Transfer Block
    230
  - Fixing Block
    231
  - ITB Cleaning Block
    232
  - Photosensitive Drum Cleaning Block
    232
- Driving and Controlling the High-Voltage System
  233
- Image Stabilization Control
  235
  - Overview of Image Stabilization
    235
  - Timing of Image Stabilization Control
    236
  - Drum Film Thickness Detection
    237
  - ATR Control
    238
  - D-Max Control
    239
  - PASCAL Control
    242
  - D-Half Control
    243
  - ARCDAT Control
    246
  - Color Displacement Correction Control
    248
  - ATVC Control
    251
- Special Control
  252
  - Black Band Sequence
    252
  - OHP Black Band Sequence
    253
  - Colour Band Sequence
    253
- Drum Unit
  255
  - Overview
    255
  - Detecting the Presence/Absence of the Drum Unit
    256
  - Identifying a New/Old Drum Unit
    256
  - Opening/Closing the Toner Shutter
    258
- Toner Container
  259
  - Overview
    259
  - Supplying Toner
    259
  - Detecting the Level of Toner
    261
  - Toner Container Detection
    262
- Transfer Unit
  262
  - Outline of the Transfer Unit
    262
    
    Overview
    262
    
    ITB Soiling Removal Sequence Control
    263
    
    Primary Transfer Block
    263
    
    Secondary Transfer Block
    263
    
    Secondary Transfer Block
    264
- Waste Toner Collection Mechanism
  265
  - Collecting the Waste Toner
    265
  - Detecting the Level of Waste Toner
    266
  - Waste Toner Case Detection
    267
- Parts Replacement Procedure
  268
  - Process Unit
    268
    
    Removing the Process Unit
    268
  - Drum Unit
    269
    
    Removing the Drum Cartridge
    269
  - Drum ITB Motor
    270
    
    Before Removing the Drum ITB Moto
    270
    
    Removing the Drum ITB Motor
    270
  - Hopper Assembly
    271
    
    Before Removing the Hopper Supply Unit
    271
    
    Removing the Hopper Supply Unit
    271
- Developing Motor (Bk/Y/M/C)
  272
  - Transfer Cleaning Unit
    274
    
    Before Removing the Transfer Cleaner Unit
    274
    
    Removing the Transfer Cleaner Unit
    274
    
    Points to Note When Replacing the Transfer Cleaner Unit
    275
  - Secondary Transfer External Roller
    275
    
    Removing the Secondary Transfer Outer Roller
    275
    
    After Replacing the Secondary Transfer Roller
    276

Canon iR C2880 series Service Manual (610 pages)

Brand: Canon | Category: All in One Printer | Size: 29.04 MB

Table of Contents

7
- Service Manual
  1
- Chapter 1 Introduction
  
  23
System Construction/Product Specifications

25
- System Construction
  27
- Product Specifications
  34
  - External View
    34
  - Names of Parts
    34
  - Cross Section
    35
  - Common Settings
    36
  - User Mode Items
    36
  - Adjustment/Cleaning
    38
  - Report Settings
    38
  - Timer Settings
    38
  - System Settings
    39
  - Communications Settings
    41
  - Copy Settings
    41
  - Address Book Settings
    42
  - Mail Box Settings
    42
  - Cleaning
    43
  - User Maintenance
    43
  - Inspection
    46
  - CDRH Act
    47
  - Handling of Laser System
    47
  - Laser Safety
    47
  - Safety
    47
  - Notes When Handling a Lithium Battery
    48
  - Product Specifications
    48
  - Safety of Toner
    48
  - Type and Function
    48
  - Function List
    49
  - Others
    49
  - Print Speed
    49
  - Type of Paper
    50
- Chapter 2 Installation
  
  53
Table of Contents

55
- Making Pre-Checks
  57
- Unpacking and Installation
  60
- Checking the Connection to the Network
  70
  - Making Checks Using a Remote Host Address
    70
  - Using PING
    70
- Troubleshooting the Network
  70
  - Making a Check Using a Local Host Address
    71
  - Making Checks Using a Loopback Address
    71
- Checking the Images/Operations
  71
  - Checking the Images
    71
- Installing the Copy Tray
  72
  - Checking the Components
    72
  - Turning off the Machine
    72
  - Installation Procedure
    73
- Relocating the Machine
  72
- Installing the Card Reader
  74
- Installing the Original Tray
  79
  - Checking the Content
    79
  - Installation Procedure
    79
- Installing the Key Switch Unit
  81
  - Checking the Contents
    81
  - Installation Procedure
    81
  - Turning off the Host Machine
    81
  - Checking after Installation
    84
- Installing the Cassette Heater
  85
- Installing the Cassette Heater for the Cassette Pedestal
  91
- Installing the Voice Guidance Kit
  95
  - Checking the Contents
    95
  - Turning off the Host Machine
    96
  - Installation Procedure
    97
- Installing the Voice Operation Kit
  103
  - Checking the Contents
    103
  - Installation Procedure
    104
  - Turning off the Host Machine
    104
- Installing the Power Supply
  110
  - Turning off the Machine
    110
  - Installation Procedure
    111
- Installing the DADF
  115
  - Checking the Contents
    115
  - Installation Procedure
    116
  - Turning off the Machine
    116
  - Cleaning the Copyboard Glass
    118
  - Adjustment
    119
  - Affixing Labels
    123
  - Operation Check
    124
- Installing the Inner 2 Way Tray
  125
  - Checking the Components
    125
  - Installation Procedure
    125
  - Turning off the Machine
    125
  - Turning off the Machine
    126
- Chapter 3 Basic Operation
  
  127
Construction/Basic Sequence

129
- Construction
  131
  - Functional Construction
    131
  - Connections Among Major Pcbs
    132
- Basic Sequence
  133
- Chapter 4 Main Controller
  
  137
Table of Contents

139
- Construction
  141
  - Construction and Functions
    141
- Construction of the Electrical Circuitry
  142
  - Main Controller PCB (Main)
    142
  - Sram Pcb
    142
- Start-Up Sequence
  143
  - Overview
    143
- Actions When HDD Error
  145
  - E602 in Detail
    145
- Image Processing
  147
- Flow of Image Data
  150
- Parts Replacement Procedure
  154
  - Before Removing the Main Controller Box
    154
  - Before Removing the Main Controller PCB
    154
  - Controller Box
    154
  - Main Controller PCB (Main)
    154
  - Removing the Controller Box
    154
  - Removing the Main Controller PCB
    154
  - Replacing Main Controller PCB
    154
  - Before Removing the Main Controller PCB (Sub SJ-A)
    155
  - Before Removing the Main Controller PCB (Sub-PDRAM-A)
    155
  - Before Removing the Main Controller PCB (Sub-R-A)
    155
  - Main Controller PCB (Sub LAN-A)
    155
  - Main Controller PCB (Sub PDRM-A)
    155
  - Main Controller PCB (Sub R-A)
    155
  - Main Controller PCB (Sub SJ-A)
    155
  - Removing the Main Controller PCB (Sub SJ-A)
    155
  - Removing the Main Controller PCB (Sub-PDRAM-A)
    155
  - Removing the Main Controller PCB (Sub-R-A)
    155
  - Removing the Main Controller PCB (Sub RB-A2)
    156
  - Before Removing the Boot ROM PCB
    157
  - Before Removing the Image Memory (SDRAM) PCB
    157
  - Before Removing the SRAM
    157
  - Boot ROM PCB
    157
  - Image Memory (SDRAM)
    157
  - Removing the Boot ROM PCB
    157
  - Removing the SRAM
    157
  - Sram Pcb
    157
  - When Replacing the SRAM PCB
    157
  - Before Removing the HDD
    158
  - Hdd
    158
  - Removing the HDD
    158
  - Removing the Image Memory (SDRAM) PCB
    158
  - When Replacing the HDD
    158
  - Before Removing the Controller Fan
    159
  - Controller Fan
    159
  - Removing the Controller Fan
    159
- Chapter 5 Original Exposure System
  
  161
Table of Contents

163
- Construction
  165
  - Major Components
    165
  - Specifications, Control Mechanisms, and Functions
    165
  - Construction of the Control System
    166
  - Reader Controller PCB
    167
- Basic Sequence
  168
- Various Control Mechanisms
  170
  - Controlling the Scanner Drive System
    170
  - Overview
    170
  - Reader Motor Control
    170
  - Contact Image Sensor (CIS)
    172
  - Overview
    172
  - Analog Control Inside the Contact Image Sensor (CIS)
    173
  - Changing the Magnification in Main Scanning Direction
    173
  - Changing the Magnification in Sub Scanning Direction
    173
  - Enlargement/Reduction
    173
  - Activation Control
    174
  - Controlling the Scanning Lamp
    174
  - Detecting the Size of Originals
    174
  - Error Detection
    174
  - Overview
    174
  - Scanning Lamp
    174
  - Overview of Detection Operation
    175
  - Points of Original Size Detection
    175
  - Dirt Sensor Control
    177
  - Overview
    177
  - Driving the CCD
    179
  - Image Processing
    179
  - Overview
    179
  - A/D Conversion of the CCD Output
    180
  - Gain Correction and Offset Correction for the CCD Output
    180
  - Shading Adjustment
    180
  - Shading Correction
    180
  - Shading Correction (Outline)
    180
- Parts Replacement Procedure
  181
- Chapter 6 Laser Exposure
  
  189
Various Control/Parts Replacement Procedure

191
- Construction
  193
  - Overview
    193
  - Specifications, Control Mechanisms, and Functions
    193
  - Scanner Motor
    194
- Various Control
  195
- Parts Replacement Procedure
  204
- Chapter 7 Image Formation
  
  207

Canon iR C2880 series Service Manual (682 pages)

Brand: Canon | Category: All in One Printer | Size: 14.72 MB

Table of Contents

7
- Chapter 1 Introduction
  
  25
  - System Construction
    29
  - System Configuration Overview (Delivery Accessories)
    29
  - System Configuration 1 (Delivery Accessories)
    29
  - System Configuration 2 (Delivery Accessories)
    30
  - System Configuration 3 (Delivery Accessories)
    32
  - System Configuration (Delivery Accessories)
    33
  - System Configuration (Pickup/Original Processing Accessories)
    35
  - Reader Heater System Configuration
    38
  - Cassette Heater System Configuration 1
    38
  - Cassette Heater System Configuration 2
    38
  - Side Deck Heater System Configuration
    39
  - System Configuration (Printing/Transmission Accessories) (EUR)
    39
  - System Configuration (Printing/Transmission Accessories)
    40
  - Functions of Printing/Transmission Accessories (EUR)
    42
  - Functions of Printing/Transmission Accessories
    42
  - Other Options
    43
  - Product Specifications
    43
  - Names of Parts
    43
  - External View
    43
  - Cross Section
    45
  - Using the Machine
    46
  - Turning on the Power Switch
    46
  - Points to Note about Turning off the Main Power Switch
    46
  - User Mode Items
    48
  - Common Settings
    48
  - Common Settings
    51
  - Timer Settings
    53
  - Adjustment/Cleaning
    53
  - Report Settings
    54
  - System Settings
    54
  - System Settings
    57
  - Copy Settings
    59
  - Communications Settings
    59
  - Mail Box Settings
    62
  - Address Book Settings
    62
  - User Maintenance
    63
  - Cleaning
    63
  - Inspection
    67
  - Safety
    68
  - Laser Safety
    68
  - CDRH Act
    68
  - Handling of Laser System
    68
  - Safety of Toner
    69
  - Notes When Handling a Lithium Battery
    69
  - Notes before It Works Serving
    69
  - Product Specifications
    69
  - Type and Function
    69
  - Others
    71
  - Function List
    72
  - Print Speed (Image)
    72
  - Type of Paper
    74
- Chapter 2 Installation
  
  77
Table of Contents

80
- Making Pre-Checks
  81
- Selecting the Site of Installation
  81
- Check to Make before Installation
  82
- Combination Table of Accessory Installation
  82
- Checking the Contents
  83
- Installation of the Drum Unit
  85
- Installation of the Scanner
  85
- Unpacking
  85
- Unpacking and Installation
  85
- Installation of the Toner Retainer
  90
- Attaching Other Parts
  91
- Connection of the Cable
  91
- Points to Note When Turning off the Main Power
  91
- Fixing the Machine in Place
  92
- Adjusting the Image Position
  93
- Automatic Gradation Correction
  93
- Setting up the Cassette
  93
- Checking the Connection to the Network
  96
- Checking the Images
  96
- Checking the Images/Operations
  96
- Making a Check Using a Local Host Address
  96
- Making Checks Using a Loopback Address
  96
- Making Checks Using a Remote Host Address
  96
- Troubleshooting the Network
  96
- Using PING
  96
- Checking the Components
  97
- Installation Procedure
  97
- Installing the Copy Tray
  97
- Relocating the Machine
  97
- Turning off the Machine
  97
- Checking the Contents
  98
- Installation Procedure
  98
- Installing the Card Reader
  98
- Points to Note at Installation
  98
- Turning off the Machine
  98
- Checking the Content
  100
- Installation Procedure
  100
- Installation Procedure in the Imageware Accounting Manager (Hereinafter Referred to Iwam) Environment
  100
- Installing the Original Tray
  100
- Installation Procedure
  101
- Points to Note about Installation
  103
- Turning off the Machine
  103
- Checking the Parts
  104
- Installing the Cassette Heater
  104
- Points to Note at Installation
  104
- Mounting the Cassette Heater Unit
  105
- Turning off the Host Machine
  105
- Mounting the Heater PCB
  106
- Checking the Parts
  107
- Installing the Cassette Heater for the Cassette Pedestal
  107
- Mounting the Cassette Heater Attachment
  108
- Turning off the Host Machine
  108
- Checking the Parts to Install
  109
- Installing the Deck Heater
  109
- Installation Procedure
  110
- Turning off the Host Machine
  110
- Checking the Contents
  112
- Installing the Voice Guidance Kit
  112
- Installation Procedure
  113
- Turning off the Host Machine
  113
- Checking the Contents
  116
- Installing the Voice Operation Kit
  116
- Installation Procedure
  117
- Turning off the Host Machine
  117
- Installing the Wireless Network Interface Adapter
  121
- Points to Note at Installation
  121
- Checking the Contents
  122
- Installation Procedure
  122
- Turning off the Host Machine
  122
- Affixing the Label
  125
- Checking the Contents
  125
- Installing the Power Supply
  125
- Installation Procedure
  126
- Turning off the Host Machine
  126
- Checking the Contents
  129
- Installation Procedure
  129
- Installing the DADF
  129
- Turning off the Host Machine
  129
- Adjustment
  130
- Cleaning the Copyboard Glass
  130
- Affixing Labels
  133
- Checking the Components
  134
- Installation Procedure
  134
- Installing the Inner 2 Way Tray
  134
- Operation Check
  134
- Turning off the Host Machine
  134
Construction/Basic Sequence

137
Table of Contents

147
- Construction
  149
- Construction and Functions
  149
- Construction of the Electrical Circuitry
  150
- Main Controller PCB (Main)
  150
- Sram Pcb
  150
- Overview
  152
- Start-Up Sequence
  152
- Actions When HDD Error
  154
- E602 in Detail
  154
- Image Processing
  157
- Overview of the Flow of Image Data
  157
- Reader Input Image Processing
  158
- Printer Output Image Processing
  159
- Compression, Decompression, and Edit Processing Blocks
  160
- Flow of Image Data
  160
- Flow of Image Data for Copier Functions
  160
- Flow of Image Data for Box Functions
  161
- Flow of Image Data for SEND Functions
  161
- Flow of Image Data for Fax Reception Functions
  162
- Flow of Image Data for Fax Transmission Functions
  162
- Flow of Image Data for PDL Functions
  163
- Before Removing the Main Controller Box
  164
- Before Removing the Main Controller PCB
  164
- Controller Box
  164
- Main Controller PCB (Main)
  164
- Parts Replacement Procedure
  164
- Removing the Controller Box
  164
- Removing the Main Controller PCB
  164
- Before Removing the Main Controller PCB (Sub-PDRAM-A)
  165
- Before Removing the Main Controller PCB (Sub-R-A)
  165
- Main Controller PCB (Sub PDRM-A)
  165
- Main Controller PCB (Sub R-A)
  165
- Removing the Main Controller PCB (Sub-PDRAM-A)
  165
- Removing the Main Controller PCB (Sub-R-A)
  165
- Replacing Main Controller PCB
  165
- Before Removing the Main Controller PCB (Sub LANBAR-C)
  166
- Before Removing the Main Controller PCB (Sub RB-A2)
  166
- Before Removing the Main Controller PCB (Sub SJ-A)
  166
- Main Controller PCB (Sub LAN-A)
  166
- Main Controller PCB (Sub SJ-A)
  166
- Removing the Main Controller PCB (Sub LANBAR-C)
  166
- Removing the Main Controller PCB (Sub RB-A2)
  166
- Removing the Main Controller PCB (Sub SJ-A)
  166
- Before Removing the SRAM
  167
- Sram Pcb
  167
- Before Removing the Boot ROM PCB
  168
- Boot ROM PCB
  168
- Removing the Boot ROM PCB
  168
- Removing the SRAM
  168
- When Replacing the SRAM PCB
  168
Table of Contents

173
- Construction
  175
- Major Components
  175
- Specifications, Control Mechanisms, and Functions
  175
- Construction of the Control System
  176
- Reader Controller PCB
  178
- Basic Sequence
  179
- Basic Sequence of Operations at Power-On
  179
- Basic Sequence of Operations in Response to a Press on the Start Key (Book Mode, 1 Original)
  179
- Basic Sequence of Operations in Response to a Press on the Start Key (ADF Mode, 1 Original)
  180
- Controlling the Scanner Drive System
  181
- Overview
  181
- Reader Motor Control
  181
- Various Control Mechanisms
  181
- Contact Image Sensor (CIS)
  183
- Overview
  183
- Analog Control Inside the Contact Image Sensor (CIS)
  184
- Changing the Magnification in Main Scanning Direction
  184
- Changing the Magnification in Sub Scanning Direction
  184
- Enlargement/Reduction
  184
- Activation Control
  185
- Controlling the Scanning Lamp
  185
- Detecting the Size of Originals
  185
- Error Detection
  185
- Overview
  185
- Scanning Lamp
  185
- Overview of Detection Operation
  186
- Points of Original Size Detection
  186
- Dirt Sensor Control
  188
- Overview
  188
- Image Processing
  190
- Overview
  190
- A/D Conversion of the CCD Output
  191
- Driving the CCD
  191
- Gain Correction and Offset Correction for the CCD Output
  191
- Shading Correction (Outline)
  191
- Shading Adjustment
  192
- Shading Correction
  192
- Copyboard Glass
  193
- Parts Replacement Procedure
  193
- After Replacing the ADF Reading Glass
  194
- Removing the ADF Reading Glass
  194
- Before Removing the Reader Controller PCB
  195
- Before Replacing the Reader Controller PCB
  195
- Reader Controller PCB
  195
- Removing the Reader Controller PCB
  195
- After Replacing the Reader Controller PCB
  196
- Before Removing the Inverter PCB
  197
- Inverter PCB
  197
- Removing the Inverter PCB
  197
- Scanner Motor
  198

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