Canon NP6320 Manuals

Manuals and User Guides for Canon NP6320. We have 1 Canon NP6320 manual available for free PDF download: Service Manual

Canon NP6320 Service Manual

Canon NP6320 Service Manual (304 pages)

Canon NP6320 Laser Printer

Brand: Canon | Category: Printer | Size: 8 MB

Table of Contents

Table of Contents

5
- System Configuration
  4
- Chapter 10 Troubleshooting
  
  8
  - General Description
    9
- Chapter 1 General Description
  
  11
  - Features
    11
  - Specifications
    12
    
    Construction
    12
    
    II. Specifications
    12
    
    Type
    12
    
    Others
    13
    
    Performance
    13
  - Names of Parts
    15
    
    External View
    15
    
    Cross Section
    16
  - IV. Operation
    18
    
    A. Control Panel
    18
    
    B. Setting the Auto Shut-Off Time
    20
    
    Process
    22
Basic Operation

25
- Chapter 2 Basic Operation
  
  27
  - Basic Operation
    27
    
    Functions
    27
    
    Outline of Electric Circuitry
    28
    
    Inputs to the DC Controller
    30
    
    DC Controller Outputs
    33
    
    Basic Sequence of Operations (Direct, Continuous Copying, 2 Sheets)
    36
Exposure System

39
- Chapter 3 Exposure System
  
  41
  - Basic Operation
    41
    
    Changing the Reproduction Ratio
    41
  - Lens Drive System
    42
    
    Outline
    42
    
    Basic Lens Drive System Operation (Change of Reproduction Ratio)
    44
  - Scanner Drive System
    45
    
    Outline
    45
    
    Relation between Scanner Sensor and Signals
    46
    
    Basic Scanner Operation
    47
    
    Scanner Motor Drive System Operation
    48
    
    Copy Count
    50
    
    Scanner Movement for Two-Page Separation Mode (Copy Count 2)
    50
    
    Document Size Identification
    51
  - Disassembly and Assembly
    54
    
    Lens Drive Assembly
    54
    
    Scanner Drive Assembly
    56
Image Formation System

61
- Chapter 4 Image Formation System
  
  61
  - Image Formation System
    61
    
    Outline
    63
    
    Basic Operation of Image Formation System
    64
  - Controlling the Scanning Lamp
    65
    
    Outline
    65
    
    Mechanism
    66
  - Primary/Transfer Corona Current and Grid Bias Voltage Control System
    67
    
    Outline
    67
    
    Switching Primary/Transfer Corona Current ON/OFF
    67
    
    Maintaining Primary/Transfer Corona Current Constant
    68
    
    Controlling Grid Bias Voltage
    69
  - Controlling the Developing Bias
    70
    
    Outline
    70
    
    Operation
    71
- Chapter 5 Pick-Up/Feeding System
  
  71
  - System
    71
    
    Developing Bias Operation
    73
  - Document Density Measurement System
    74
    
    Operation
    74
    
    Outline
    74
    
    Reading the Output of the AE Sensor
    75
  - Developing Assembly/Drum Claener
    76
    
    Outlines
    76
    
    Remaining Toner Sensor
    76
    
    Torque Limiter
    76
  - Blanking
    77
    
    Outline
    77
    
    Movement of the Blank Exposure Mechanism
    78
  - Disassembly and Assembly
    80
    
    Exposure Assembly
    80
    
    Blank Assembly
    82
    
    Corona System
    83
    
    Development System
    86
Pick-Up/Feeding System

93
- Paper Pick-Up Assembly and Feeder
  95
- Paper Transport II. System
  95
- Pick-Up and Feeder Operation
  97
- Identifying the Cassette Size
  98
- Pick-Up from the Multifeeder
  99
- Jam Detection
  101
- Pick-Up Assembly Delay Jam
  102
- Delivery Assembly Delay Jam
  103
- Delivery Assembly Stationary Jam
  103
- Feeder System
  104
  - Pick-Up Assembly
    104
  - Feeder Assembly
    111
  - Main Motor Assembly
    115
Fixing System

119
- Chapter 6 Fixing System
  
  121
  - Basic Operations
    121
    
    Outline
    121
    
    Operation of the Fixing Assembly Temperature Control System
    123
    
    Disassembly and Assembly
    124
    
    Fixing Assembly
    124
Externals/Auxiliary Mechanisms

137
- Chapter 7 Externals/Auxiliary Mechanisms
  
  139
  - Power Supply
    139
    
    AC Power/DC Power Supply
    139
  - Disassembly and Assembly
    141
    
    External Covers
    141
    
    Control Panel
    144
    
    Copyboard Cover
    145
    
    Fans
    145
    
    Pcbs
    148
Installation

149
- Chapter 8 Installation
  
  151
  - Location
    151
  - Unpacking and Installing the Copier
    152
    
    Unpacking
    152
    
    Mounting the Drum
    155
    
    Checking the Operation
    156
    
    Adding Toner
    157
    
    Checking the Image
    158
  - Setting the Cassette Size
    159
    
    Modifying the Cassette Size
    159
    
    Replacing the Cassette Spring
    164
    
    Removing the Pick-Up Roller
    166
  - Relocating the Copier
    167
  - Installing the Control Card-V
    168
Maintenance and Servicing

171
- Periodically Replaced Parts
  173
- Durable Parts
  174
- II. Durable Parts
  174
- Basic Procedure for Periodic Servicing
  175
- Chapter 9 Maintenance and Servicing
  
  176
  - Periodic Servicing Schedule
    176
    
    Periodic Servicing
    176
    
    Schedule
    176
Troubleshooting

177
- Maintenance and Inspection
  179
  - Basic Image Adjustment Procedure
    179
  - Periodic Maintenance Check Points
    180
- Standards and Adjustments
  181
  - Mechanical
    181
  - Electrical
    195
- Image Troubleshooting
  200
  - Initial Check
    200
    
    III. Image Trouble Shooting
    200
    
    B. Samples of Image Faults
    204
  - Troubleshooting of Image Faults
    205
    
    Blurred Image
    214
    
    Blank Image
    215
- Operation Troubleshooting
  217
  - Troubleshooting of Malfunction
    217
  - IV. Operation Trouble Shooting
    217
- Troubleshooting the Feeding Problems
  234
  - Paper Jams
    234
- Incorrect Paper Feed Operation
  238
- Service Mode
  244
  - Outline
    244
  - Using the Service Mode
    244
  - VIII. Service Mode
    244
  - Guide to Service Mode
    245
- Self Diagnosis
  248
  - IX. Self Diagnosis
    248
- Appendix
  251
  - A. General Timing Chart
    253
  - B. List of Signals Commands
    255
  - List of Special Tools
    259
  - List of Solvents and Materials
    260
    
    Paper Deck
    261
Specifications/Basic Constructions

263
- Chapter 1 General Description
  267
- Specifications
  267
Operations and Timing

269
- Basic Constructions
  271
  - Outline of Electrical Circuitry
    271
  - Paper Deck Controller
    271
  - Pick-Up Roller
    271
  - Inputs to and Outputs from Paper Deck Controller
    273
- Chapter 2 Operations and Timing
  271
- Outline
  274
  - Feed Roller
    275
  - Pick-Up and Feed Operations
    275
  - Releasing the Pick-Up and Separation Rollers
    277
  - Mechanical System
    279
  - Pick-Up and Feeder
    281
  - Pick-Up Roller
    281
  - Feed Roller
    283
  - Separation Roller
    284
  - Registration Roller
    285
    
    Deck Drive Unit
    286
    
    Drive System
    286
- Adjusting the Registration (Front, Rear)
  288
  - Making Adjustments
    289
- Modifying the Deck Size
  291
- Periodical Servicing Chart
  295
- General Circuit Diagram
  302

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