Canon SmartBase PC1200s Manuals

Manuals and User Guides for Canon SmartBase PC1200s. We have 2 Canon SmartBase PC1200s manuals available for free PDF download: Service Manual

Canon SmartBase PC1200s Service Manual

Canon SmartBase PC1200s Service Manual (400 pages)

Brand: Canon | Category: All in One Printer | Size: 5.65 MB

Table of Contents

Table of Contents
7
Chapter 1 Product Outline

17
- CANON Smartbase Pc1200S/Ir1200S REV. 0
  17
- Specifications
  19
  - Type
    19
  - Mechanisms
    19
  - Functions
    20
  - Others
    21
  - Copying Speed
    22
  - ADF (if Equipped with ADF Functions)
    23
  - FAX (if Equipped Fax Functions)
    24
    
    Communications Specifications
    24
    
    Printer Section Specifications
    25
    
    Scanner Section Specifications
    25
    
    Functions
    26
- Names of Parts
  30
  - External View
    30
    
    Body (ADF Type)
    30
    
    Body (Copyboard Type)
    31
    
    ADF (if Equipped with ADF Functions)
    33
    
    Cross Section
    34
    
    ADF (if Equipped with ADF Functions)
    35
  - Safety and Warnings
    36
    
    Handling the Laser Unit
    37
    
    Safety of the Toner
    38
    
    Storing or Handling the Cartridge after Unpacking
    39
    
    Points to Note When Handling the Cartridge
    40
Chapter 2 Using the Machine

43
- Using the Machine
  45
- User Mode Menu
  49
  - Common Settings
    50
  - Copy Settings
    52
  - Timer Settings
    59
  - Print Lists
    60
- User Report
  61
  - Manually Generating a Report
    61
  - Automatically Generating Reports (if Equipped with Fax Functions)
    62
    
    Memory Clear List
    63
- Outline
  64
- Service Mode
  64
- Using Service Mode
  66
  - List of Service Mode Menus
    67
  - Bit Switch Settings (#1 SSSW)
    75
  - Menu Switch Settings (#2 MENU)
    88
  - Numeric Parameter Setting (#3 NUMERIC Param.)
    90
  - SPECIAL Setting (#4A SPECIAL)
    93
  - NCU Setting (#4B NCU)
    93
  - ISDN Setting (#4C ISDN)
    93
  - Country/Region of Installation (#5 TYPE)
    93
  - Setting the Original Reading Functions (#6 SCANNER)
    94
  - Setting the Printer Parameters (#7 PRINTER)
    95
    
    SSSW Setting
    95
    
    Mlt Cleaning
    96
    
    NUMERIC Param. Setting
    96
    
    Print Count
    96
    
    Print Reset
    96
  - Pdl (#8 Pdl)
    96
  - Counter (#9 COUNTER)
    97
    
    Counter
    97
    
    Clearing the Counter Readings
    98
  - Generating a Report (#10 REPORT)
    98
  - Downloading (#11 DOWNLOAD)
    98
  - Clearing (#12 CLEAR)
    99
  - ROM Indication (#13 ROM)
    99
  - Resetting the Contact Sensor Position (#14 CS SET)
    99
  - Service Mode Default Setting
    100
  - Test Mode (TEST MODE)
    110
    
    Outline
    110
    
    List of Test Mode Items
    111
    
    D-RAM Test (1: DRAM)
    118
    
    CCD Test (2: CCD TEST)
    119
    
    PRINT Test (3: PRINT)
    120
    
    MODEM NCU Test (4: MODEM NCU)
    121
    
    Relay Test
    121
    
    Frequency Test
    122
    
    G3 Signal Transmission
    122
    
    DTMF Signal Transmission
    123
    
    Reception Test
    123
    
    AGING Test
    124
    
    FACULTY (Function) Test (6: FACULTY TEST)
    124
  - Service Report
    131
    
    Manually Generating Reports
    131
    
    System (Service) Data List
    131
    
    System Dump List
    132
    
    Key History Report
    134
    
    Counter Report
    135
    
    Automatically Generated Reports
    136
    
    Print Spec Report
    136
    
    Error TX Report (for Service)
    137
    
    RX Report (for Service)
    138
    
    Unpacking and Installing the Machine
    142
Chapter 3 Installation

143
- Unpacking
  143
- Putting Paper in the Cassette
  147
  - Putting Paper in the Manual Feed Tray
    148
- Connecting the Interface Cable
  149
- Connecting the Modular Cable
  149
- Connecting the Power Cord
  150
  - Fitting the Delivery Tray
    150
  - Checking the Copy Images
    150
  - Setting the Printer Functions
    151
  - Setting Fax Functions (if Equipped with Fax Functions)
    152
    
    Setting the Dial Type
    153
- When Relocating the Machine
  154
Chapter 4 Operation

157
- Basic Operation
  159
  - Reproduction Processes
    159
    
    Outline
    159
  - Functional Construction
    162
  - Outline of the Electrical Circuitry
    163
    
    Functional Block Diagram
    163
    
    Outlines of Functions
    164
    
    DC Controller PCB
    165
    
    Image Processor PCB
    165
    
    Control Panel PCB
    166
    
    Power Supply PCB
    166
    
    Analog Processor PCB
    167
    
    Laser Driver/Bd PCB
    167
    
    Main Motor/Scanner Motor Driver
    167
    
    Printer Controller PCB
    167
    
    Sensor PCB
    167
    
    Modular Jack PCB (if Equipped with Fax Functions)
    168
    
    NCU PCB (if Equipped with Fax Functions)
    168
  - Power-On Sequence
    169
  - Controlling the Main Motor
    170
    
    Outline
    171
- Image Reading/Processing System
  171
  - Outline
    172
- Laser Exposure System
  172
  - Outline
    174
- Image Formation System
  174
  - Outline
    175
- Pickup/Feeding/Delivery System
  175
  - Outline
    176
  - Pickup Operation
    176
    
    Pickup from the Cassette
    176
    
    Detecting the Size of Paper
    177
    
    Retry Pickup
    177
    
    Outline
    178
    
    Pickup from the Manual Feed Tray
    178
    
    Detecting the Size of Paper
    179
    
    Operation
    179
    
    Retry Pickup
    179
    
    Auto Delivery Control
    180
    
    Feeding Operation/Delivery Operation
    180
    
    Outline
    180
    
    Outline
    181
    
    Outline
    182
    
    Types of Jams
    182
    
    Fixing System
    184
    
    Operation
    184
  - Controlling the Fixing Temperature
    185
    
    Controlling the Fixing Film Bias
    187
    
    Detecting a Fault in the Fixing Assembly
    187
    
    Fixing Heater Safety Mechanism
    187
- Power Supply System
  189
  - Low Voltage Circuit
    189
    
    Low Voltage Power Supply Circuit
    189
    
    Protective Functions
    191
  - High-Voltage Power Supply Circuit
    191
  - Controlling the ESS Mechanism
    191
    
    Operation
    191
    
    Outline
    191
- Others
  192
  - Fan
    192
    
    Outline
    192
  - Back-Up Batteries
    193
    
    Back-Up Function
    193
    
    Lithium Battery (BAT1)
    193
    
    Outline
    193
  - Back-Up Data
    196
    
    Printing the Backup Data List
    198
    
    ADF (if Equipped with ADF Functions)
    199
    
    Picking up and Moving Originals
    200
    
    Pickup Roller and Moving up the Original Stopper
    201
- Detecting an Original Jam
  202
Chapter 5 Mechanical System

203
- Points to Note When Disassembling/Assembling the Machine
  205
- Disassembly
  207
  - Externals/Auxiliary System
    207
    
    External Covers
    207
    
    Removing the Left Cover/Rear Cover
    208
    
    Removing the Right Cover
    208
    
    Removing the
    209
    
    Removing the Cartridge Cover
    210
    
    Upper Cover/Delivery Rear Cover
    210
    
    Removing the Upper Cover
    211
    
    Removing the Right Door
    212
    
    Removing the Copyboard Glass
    214
  - Remove the Fan
    218
  - Removing the Reader Unit Slide Detecting Switch
    220
- Pcbs
  221
- Original Reading/Processing System
  231
  - Removing the Contact Sensor
    231
  - Removing the Reader Motor Drive Unit
    232
  - Removing the Reader Unit
    234
- Laser Exposure System
  236
  - Removing the Laser Scanner Unit
    236
- Image Formation System
  238
- Removing the Transfer Charging Roller
  238
- Pickup/Feeding System
  239
- Fixing System
  248
- ADF System (if Equipped with ADF Functions)
  252
  - Externals/Auxiliary Control System
    252
    
    Removing the ADF
    252
    
    Removing the ADF Drive Unit
    254
    
    Removing the ADF Motor Unit
    255
    
    Removing the Slide Guide (Front, Rear)
    256
    
    Mounting the Slide Guide (Front, Rear)
    257
  - Pickup System
    258
    
    Removing the Separation Roller Unit
    258
    
    Removing the Original Pickup Roller/Original Separation Roller
    260
    
    Removing the Original Sensor/Registration Sensor
    260
    
    Removing the Separation Pad
    261
    
    Removing the ADF Registration Roller
    262
  - Feeding System
    264
    
    Removing the White Roller
    264
    
    Removing the Feeding Outside Guide
    265
    
    Removing the Feed Roll
    266
    
    Removing the Original Feed Roller
    267
    
    Delivery System
    268
    
    Removing the Delivery Stacking Tray/Original Delivery Roller
    268
    
    Removing the Original Delivery Sensor
    269
Chapter 6 Maintenance and Inspection

271
- Periodically Replaced Parts
  273
- Durables
  273
- Scheduled Servicing Chart
  273
- Cleaning
  274
  - Cleaning by the User (Machine)
    274
    
    Cleaning the Fixing Pressure Roller
    274
    
    Other Cleaning
    274
  - Cleaning by the User (ADF)
    275
    
    Cleaning the White Roller
    275
    
    Other Cleaning
    275
  - Cleaning at Time of a Service Visit (Machine)
    276
    
    Selfoc Lens Array of the Contact Sensor
    276
    
    Cassette Pickup Roller
    277
    
    Manual Feed Pickup Roller
    277
    
    Registration Roller
    277
    
    Separation Pad
    277
    
    (Back of Shading Plate)
    278
    
    Delivery Roller
    278
    
    Eliminator
    278
- Cleaning at Time of a Service
  279
  - Original Pickup Roller
    279
  - Original Separation Roller
    279
  - Original Separation Pad
    279
  - ADF Registration Roller
    279
  - Original Feed Roller
    279
  - Original Delivery Roller
    279
  - Copyboard Glass
    280
    
    (Original Reading Area)
    280
    
    Adjusting the Mechanical Sys Tems
    287
    
    Left/Right Edge Read Start Position Adjustment
    289
Chapter 7 Troubleshooting

290
- Making Adjustments (ADF)
  290
- Items of Adjustment and Sequence of Work
  290
- Preparing a Test Sheet for Adjustment
  290
- Adjusting the Mechanical Systems
  291
  - Removing the Skew
    291
  - Left/Right Registration Adjustment
    292
- Adjusting the Electrical Systems
  294
  - Registration Arch Auto Adjustment
    294
  - Original Read Position Adjustment
    294
    
    Original Speed Adjustment
    295
    
    Leading Edge Read Start Position Adjustment
    296
    
    Trailing Edge Read End Position Adjustment
    297
- When Replacing a Component
  298
  - When Replacing the Image Processor PCB
    298
    
    After Finishing the Work
    299
  - When Replacing the NCU PCB
    299
- Troubleshooting
  300
  - Making Initial Checks
    300
    
    Checking the Cartridge
    300
    
    Checking the Paper
    300
    
    Others
    300
    
    Site Environment
    300
  - Troubleshooting Flow Chart
    301
  - Making Checks in Response to an Image Fault
    302
    
    Checking the Originals against the Symptom
    302
    
    Copyboard Glass and White Sheet
    302
- Troubleshooting Image Faults
  303
  - Troubleshooting Procedure for Image Faults
    303
    
    The Output Is too Light
    304
    
    The Output Is too Dark
    306
    
    The Output Has Fuzzy, Black Vertical Lines
    307
    
    The Output Is Foggy Vertically
    307
    
    The Output Has Fuzzy, Black Horizontal Lines
    308
    
    The Output Is Foggy Horizontally
    308
    
    The Output Has Black Lines (Horizontal)
    309
    
    The Output Has Black Lines (Vertical)
    309
    
    The Output Has White Lines (Vertical)
    309
    
    The Output Has White Spots (Vertical)
    309
    
    The Output Has White Lines (Horizontal)
    310
    
    The Output Has White Spots (Horizontal)
    310
    
    The Output Is Soiled
    311
    
    The Back of the Output Is Soiled
    312
    
    The Output Has a Fixing Fault
    313
    
    The Output Has a Blurry Image
    314
    
    The Output Has Left/Right Displacement
    314
    
    The Output Has Poor Sharpness (out of Focus)
    315
    
    The Output Is Blank
    316
    
    The Output Is Solid Black
    318
- Troubleshooting Malfunctions
  319
- Troubleshooting Malfunctions (if Equipped with ADF Functions)
  329
  - Original Pickup Fails
    329
- Troubleshooting Malfunctions (Printer Functions)
  330
  - Printing Fails to Start
    330
  - Printing Stops in the Middle
    330
- Troubleshooting (Faults Unique to Models Equipped with Fax Functions)
  332
- Troubleshooting Feeding Faults
  365
- Outline
  365
- Paper Jams
  366
- Original Jams (if Equipped with ADF Functions)
  374
- Feeding Faults
  375
  - Double Feeding
    375
  - Wrinkles
    376
  - Faulty Feeding of Originals (if Equipped with ADF Functions)
    377
    
    Double Feeding
    377
    
    Skew
    377
- Arrangement of the Electrical Parts
  378
  - Checking the Photointerrupters
    378
  - Arrangement and Functions of Electrical Components
    380
    
    Body
    380
    
    Solenoids, Motors, Fans
    380
    
    ADF (if Eqquiped with ADF Functions)
    381
    
    ADF (if Eqquiped with ADF Functions)
    383
    
    Pcbs
    386
    
    Diodes (LED), and Check Pins by PCB
    388
Appendix

391
- General Timing Chart
  393
- General Circuit Diagram
  395
- List of Special Tools
  397
- List of Solvents and Oils
  398

Advertisement

Canon SmartBase PC1200s Service Manual

Canon SmartBase PC1200s Service Manual (361 pages)

Brand: Canon | Category: Printer | Size: 4.23 MB

Table of Contents

Table of Contents
7
Chapter 1 Product Outline

16
- Specifications
  17
- Type
  17
- Mechanisms
  17
- Functions
  18
- Others
  19
- Reproduction Ratio
  20
- Copying Speed (AB Type, a Type)
  21
- Copying Speed (Inch Type)
  22
- ADF (if Equipped with ADF Functions)
  23
- FAX (if Equipped Fax Functions)
  24
- Communications Specifications
  24
- Scanner Section Specifications
  25
- Printer Section Specifications
  26
- Functions
  26
- Names of Parts
  30
- External View
  30
- Body
  30
- Using the Machine
  43
- Control Panel
  44
- User Mode
  48
- User Mode Menu
  48
- User Report
  60
- Report
  61
- Automatically Generated Reports (if Equipped with Fax Functions)
  61
- Memory Clear List
  62
- Service Mode
  63
- List of Service Mode Menus
  65
- Bit Switch Settings (#1 SSSW)
  72
- Menu Switch Settings (#2 MENU)
  86
- Numeric Parameter Setting (#3 NUMERIC Param.)
  88
- SPECIAL Setting (#4A SPECIAL)
  92
- NCU Setting (#4B NCU)
  92
- ISDN Setting (#4C ISDN)
  92
- Country of Installation (#5 TYPE)
  92
- Setting the Original Reading Functions (#6 SCANNER)
  92
- Setting the Printer Parameters (#7 PRINTER)
  93
- SSSW Setting
  93
- NUMERIC Param
  94
- Print Count
  94
- Print Reset
  94
- Mlt Cleaning
  94
- Pdl (#8 Pdl)
  95
- Counter (#9 COUNTER)
  95
- Counter
  95
- Clearing the Counter Readings
  96
- Generating a Report (#10 REPORT)
  96
- Downloading (#11 DOWNLOAD)
  96
- Clearing (#12 CLEAR)
  97
- ROM Indication (#13 ROM)
  97
- Test Mode (TEST MODE)
  98
- Outline
  98
- List of Test Mode Items
  99
- D-RAM Test (1: DRAM)
  105
- CCD Test (2: CCD TEST)
  106
- PRINT Test (3: PRINT)
  107
- MODEM NCU Test (4: MODEM NCU)
  108
- Relay Test
  108
- Machine
  108
- Frequency Test
  109
- DTMF Signal Transmission
  110
- Tion Test
  110
- FACULTY (Function) Test (6: FACULTY TEST)
  111
- BOOK Read Test
  117
- Service Report
  118
- Manually Generating Reports
  118
- Service (System) Data List
  119
- System Dump List
  120
- Key History Report
  122
- Counter Report
  122
- Print Spec Report
  123
- Automatically Generated Reports
  123
- Error Transmission Report
  124
- Reception Result Report
  125
- Putting Paper in the Manual Feed Tray
  134
- Connecting the Interface Cable (if Equipped with Printer Function)
  135
- Connecting the Modular Cable (if Equipped with Fax Functions)
  135
- Connecting the Power Cord
  135
- Mounting the Delivery Tray
  136
- Checking the Copy Images
  136
- Setting the Printer Functions
  136
- Setting Fax Functions
  137
Chapter 4 Operation

141
- Basic Operation
  142
- Reproduction Processes
  142
- Pcb
  144
- Functional Construction
  145
- Outline of the Electrical
  146
- Image Processor PCB
  147
- DC Controller PCB
  148
- Control Panel PCB
  149
- Power Supply PCB
  149
- Analog Processor PCB
  149
- Sensor PCB
  149
- Laser Driver/Bd PCB
  150
- Scanner Motor PCB
  150
- Printer Controller PCB
  150
- Ncu Pcb
  151
- Modular Jack PCB
  151
- Power-On Sequence
  152
- Controlling the Main Motor
  153
- Image Reading/Processing System
  154
- Outline
  154
- Laser Exposure System
  155
- Outline
  155
- Image Formation System
  157
- Outline
  157
- Outline
  158
- Outline
  159
- Detecting the Size of Paper
  160
- Pickup from the Manual Feed Tray
  160
- Outline
  160
- Retry Pickup
  161
- DC Controller PCB
  161
- Detecting the Size of Paper
  162
- Feeding Operation/Delivery Operation
  162
- Outline
  162
- Reducing the Copying Speed
  163
- Outline
  163
- Auto Delivery Control
  163
- Detecting Jams
  164
- Outline
  164
- Types of Jams
  164
- Fixing System
  166
- Outline
  166
- Controlling the Fixing Operation
  167
- Controlling the Fixing Temperature
  167
- Controlling the Fixing Film Bias
  169
- Fixing Heater Safety Mechanism
  169
- Detecting a Fault in the Fixing Assembly
  169
- Power Supply System
  171
- Low Voltage Circuit
  171
- Low Voltage Power Supply Circuit
  171
- Protective Functions
  173
- High-Voltage Power Supply Circuit
  173
- Controlling the Energy Save Mechanism
  173
- Outline
  173
- Operation
  173
- Others
  174
- Fan
  174
- Outline
  174
- Back-Up Batteries
  175
- Back-Up Function
  175
- Outline
  181
Chapter 5 Mechanical System

185
- Points to Note When Disassembling/Assembling the Machine
  186
- Disassembly
  188
- Externals/Auxiliary System
  188
- External Covers
  188
- Removing the Left Cover/Rear Cover
  189
- Removing the Right Cover
  189
- Removing the
  190
- Removing the Delivery Cover
  190
- Removing the Delivery Upper Cover/Delivery Rear Cover
  191
- Cartridge
  191
- Removing the Right Door
  193
- Remove the Heat Discharge
  198
- Removing the Reader Slide Detecting Switch
  200
- Pcbs
  201
- Removing the Image Processor PCB
  201
- Removing the Analog Processor PCB
  201
- Removing the Sensor PCB
  204
- Removing the DC Controller Pcb/Power Supply PCB
  205
- Removing the Printer Controller PCB
  209
- Removing the NCU PCB
  209
- Removing the Modular Jack PCB
  210
- Original Reading/Processing System
  211
- Removing the Contact Sensor
  211
- Removing the Reader Motor Drive Unit
  212
- Removing the Reader Unit
  213
- Laser Exposure System
  215
- Removing the Laser Scanner Unit
  215
- Image Formation System
  217
- Removing the Transfer Charging Roller
  217
- Pickup/Feeding System
  218
- Removing the Cassette Pickup Roller
  218
- Removing the Cassette Pickup Solenoid
  219
- Removing the Manual Feed Tray (Upper)
  221
- Removing the Manual Feed Tray (Lower)
  222
- Removing the Manual Feed Pickup Roller
  222
- Removing the Separation Pad
  223
- Removing the Manual Feed Pickup Solenoid/Manual Feed Tray Paper Sensor
  224
- Removing the Vertical Path Roller
  224
- Removing the Registration Roller Unit
  225
- Fixing System
  227
- Removing the Fixing Assembly
  227
- Removing the Fixing Film Unit/Fixing Locking Roller
  229
- Removing the Delivery Sensor
  230
- ADF System
  231
- Externals/Auxiliary Control System
  231
- Removing the ADF
  231
- Removing the ADF Drive Unit
  233
- Removing the ADF Motor Unit
  234
- Removing the Slide Guide (Front, Rear)
  234
- Mounting the Slide Guide (Front, Rear)
  236
- Pickup System
  237
- Removing the Separation Roller Unit
  239
- Removing the Pickup Roller Unit
  239
- Removing the Original Sensor/Pre-Registration Sensor
  239
- Removing the Separation Pad
  240
- Removing the Registration Roller
  241
- Feeding System
  242
- Removing the White Roller
  242
- Removing the Feeding Outside Guide
  243
- Removing the Feeding Roll
  244
- Removing the Feeding Roller
  245
- Delivery System
  245
- Removing the Delivery Stacking Tray/Delivery Roller
  245
Chapter 6 Maintenance and Inspection

247
- Periodically Replaced Parts
  248
- Durables
  248
- Scheduled Servicing Chart
  248
- Cleaning
  249
- Cleaning by the User (Machine)
  249
- Cleaning the Fixing Locking Roller
  249
- Other Cleaning
  249
- Cleaning by the User (ADF)
  250
- Cleaning the White Roller
  250
- Other Cleaning
  250
- Cleaning at Time of a Visit (Machine)
  251
- Contact Sensor
  251
- Cassette Pickup Roller
  252
- Multifeeder Pickup Roller
  252
- Manual Feed Pickup Separation Pad
  252
Chapter 7 Troubleshooting

255
- Standards and Adjustments
  256
- Checking against the Standards
  256
- Checking the Pressure (Nip) of the Fixing Locking Roller
  256
- Making Adjustments
  258
- Making Adjustments When Replacing Major Parts
  258
- Preparing a Test Sheet for Adjustment
  259
- Adjusting the Mechanical Systems
  260
- Adjusting the Electrical Systems
  260
- Contact Sensor LED Intensity Auto Adjustment
  260
- Leading Edge Read Start Position Adjustment
  261
- Left/Right Edge Read Start Position Adjustment
  262
- Making Adjustments (ADF)
  263
- Items of Adjustment and Sequence of Work
  263
- Preparing a Test Sheet for Adjustment
  263
- Original Read Position Adjustment
  263
- Leading Edge Read Start Position Adjustment
  268
- Adjusting the Trailing Edge
  269
- When Replacing a Component
  269
- When Replacing the Image Processor PCB
  269
- Before Starting the Work
  270
- After Finishing the Work
  270
- Troubleshooting
  271
- Making Initial Checks
  271
- Site Environment
  271
- Checking the Cartridge
  271
- Checking the Paper
  271
- Others
  271
- Troubleshooting Flow Chart
  272
- Making Checks in Response to an Image Fault
  273
- Checking the Originals against the Symptom
  273
- Copyboard Glass and White Sheet
  273
- Troubleshooting Image Faults
  274
- Troubleshooting Procedure for Image Faults
  274
- The Output Is too Light
  275
- The Output Is too Dark
  277
- The Output Is Foggy Vertically
  278
- The Output Has Fuzzy, Black Vertical Lines
  278
- The Output Is Foggy Horizontally
  278
- The Output Has Fuzzy, Horizontal Black Lines
  278
- The Output Has Black Lines (Vertical)
  279
- The Output Has Horizontal Lines (Horizontal)
  279
- The Output Has White Spots (Vertical)
  279
- The Output Has White Lines (Vertical)
  279
- The Output Has White Spots (Horizontal)
  280
- The Output Has White Lines (Horizontal)
  280
- The Output Is Soiled
  280
- The Back of the Output Is Soiled
  281
- The Output Has a Fixing Fault
  282
- The Output Has a Displaced Leading Edge
  282
- The Output Has Left/Right Displacement
  283
- The Output Has a Blurry Image
  283
- The Output Has Poor Sharpness (out of Focus)
  284
- The Output Is Blank
  284
- The Output Is Solid Black
  286
- Troubleshooting Malfunctions
  287
- Troubleshooting Malfunctions (Ser- Vice Error)
  287
- Troubleshooting Malfunctions (Other than Service Error)
  291
- Power Is Absent
  291
- The LCD Fails to Operate
  291
- The Contact Sensor Fails to Move
  292
- The Contact Sensor LED Fails to Go on
  292
- The Speaker Fails to Generate Sound
  293
- The Message "Install Cartridge" Fails to Go off
  293
- The Message "SUPPLY REC
  294
- The Message "REC. PAPER JAM" Fails to Go off
  295
- The Message "PLATEN IS
  296
- Troubleshooting Malfunctions (if Equipped with ADF Functions)
  297
- Original Pickup Fails
  297
- Troubleshooting Malfunctions (if Equipped with Printer Functions)
  298
- Printing Fails to Start
  298
- Printing Stops in the Middle
  298
- Troubleshooting (Faults Unique to Models Equipped with Fax Functions)
  300
- Troubleshooting Communication Faults
  300
- Service Error Code Output
  301
- Error Codes
  302
- Transmission Level (ATT): No.07 of Service Soft Switch #2 MENU
  302
- Equalizer: No.05 of Service Soft Switch #2 MENU
  302
- Transmission Page Timer: SW12 of Service Soft Switch #1 SSSW
  302
- T0 Timer: No.10 of Service Soft Switch #3 NUMERIC Param
  302
- T1 Timer: No.11 of Service Soft Switch #3 NUMERIC Param
  302
- RTN Signal Transmission Condition: No. 02, 03, and 04 of Service Soft Switch #3 NUMERIC Param
  303
- Echo Remedy
  303
- Echo Protect Tone: SW03 Bit 1 of Service Soft Switch #1 SSSW
  303
- Number of Final Flag Se- Quences: SW04 Bit 2 of Ser- Vice Soft Switch #1 SSSW
  303
- Subaddress
  303
- Password
  304
- Signals
  304
- Timer
  305
- How to Record the Protocol
  306
- Causes and Remedies for User Error Codes
  307
- Causes and Remedies for Service Error Codes
  312
- Common Faults
  332
- Troubleshooting Feeding Faults
  333
- Outline
  333
- Paper Jams
  334
- Pickup Assembly (Cassette)
  334
- Pickup Assembly (Manual Feed Tray)
  335
- Feeding Assembly
  336
- Fixing Delivery Assembly
  338
- Checking the Rotation of the Rollers and Gears
  339
- Checking the Rotation of the Cassette Pickup Roller and the Vertical Path Roller
  339
- Checking the Rotation of the Registration Roller and the Gear for the Photosensitive Drum
  339
- Original Jams (if Equipped with ADF Functions)
  339
- Feeding Faults
  340
- Double Feeding
  340
- Wrinkles
  341
- Faulty Feeding of Originals (if Equipped with ADF Functions)
  342
- Double Feeding
  342
- Skew
  342
- Checking the Photointerrupters
  343
- Arrangement and Functions of Electrical Components
  345
- Solenoids, Motors, Fans
  345
- Sensors
  347
- Pcbs
  352
Appendix

355
- General Timing Chart
  356
- General Circuit Diagram
  358

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