Sharp SF-2050 Manuals

Manuals and User Guides for Sharp SF-2050. We have 2 Sharp SF-2050 manuals available for free PDF download: Service Manual

Sharp SF-2050 Service Manual

Sharp SF-2050 Service Manual (60 pages)

Brand: Sharp | Category: Copier | Size: 1.04 MB

Table of Contents

Table of Contents
1
General Description
6
Target Users
6
Basic Specification
7
- Type
  7
- Warmup Time
  7
- Multicopy
  7
- Magnification Ratio
  7
- Exposure
  7
- Paper Feed
  7
- Product Specifications
  7
- Light Source
  8
- Automatic Duplex
  8
- Power Consumption
  8
- Accessories
  8
  - Environmental Conditions
    11
  - Option Specifications
    12
4 ] Paper
13
- External View
  14
- Operation Panel
  15
- Paper Feed Unit
  17
- Motors
  21
4 ] PROCESS (Photocondor Drum and Cleaning Unit)

24
- Basic Theory
  24
  - Image Forming Process
    24
  - Photoconductor
    24
  - Types of Photoconductors
    24
  - Characteristics of Photoconductor
    25
- SF-2035 Basic Process and Structure
  26
- Basic Structure
  30
- 7 ] Developing Section
  31
  - Basic Theory
    31
    
    Two-Component Developer
    31
    
    Two-Component Magnetic Brush Development
    31
    
    Developing Bias Voltage
    31
  - Structure
    31
  - Operation
    31
  - Developing Unit
    31
- 8 ] Paper Feed Section
  32
  - Outline
    32
  - Basic Configuration
    32
  - Basic Operation
    33
    
    Manual Paper Feed Operation
    33
- High Voltage Section
  35
- 6 ] Process Section
  24
7 ] Transport/Fusing Section

35
- General
  35
- Basic Composition and Functions
  35
  - Transport Section
    35
  - Fusing Section
    35
- Basic Composition
  35
  - Main (Charging) Corona - High Voltage Transformer (MHVG)
    35
  - Transfer Corona - High Voltage Transformer (THVG)
    35
- Optical Section
  36
8 ] High Voltage Section

35
9 ] Optical Section

36
- General
  36
- Basic Composition
  36
  - Original Table
    36
  - Copy Lamp
    36
  - Mirror1
    36
  - Lens (Fixed Focus Lens)
    36
  - Lens Home Position Sensor (LHPS)
    36
  - No. 4, No. 5 Mirror Base Home Position Sensor (MBHPS)
    37
  - Lens Base
    37
  - Lens Slide Shaft
    37
  - Lens Drive Wire
    37
  - Mirror Base C
    37
  - Mirror Base C (No. 4, No. 5 Mirrors) Drive Wire
    37
  - Mirror Motor
    37
  - Mirror Home Position Sensor (MHPS)
    37
  - Mirror Base B
    37
  - Copy Lamp Unit
    37
- Basic Operation
  38
- Optical System Dirt Correction
  39
  - Setting the Reference Value for Optical System Correction
    39
  - Dirt Correction
    39
- Adu Unit
  40
Electrical Section

43
- System Block Diagram
  43
- Main Circuit
  44
  - Block Diagram
    51
- Operation Circuit
  51
  - Key Circuit
    51
    
    Key Detection
    51
    
    System Configuration
    52
  - Display Circuit
    53
    
    Block Diagram
    53
    
    Operation
    53
- LCD Display Circuit
  54
  - Block Diagram
    54
  - CPU (IC222) Μpd78213G-AB8
    54
  - Rom
    56
  - Operation
    56
  - Rectifying/Smoothing Circuit
    57
  - Power Supply
    58

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Sharp SF-2050 Service Manual

Sharp SF-2050 Service Manual (138 pages)

Brand: Sharp | Category: Copier | Size: 4.52 MB

Table of Contents

General Description
2
Basic Specifications
3
Upper Heat Roller
7
- Option Specifications
  8
- Product View
  10
- Operation Panel
  11
- Drum Separation Pawl
  12
- Unpacking and Installation
  20
Cleaner Blade
23
- Disassembly and Assembly
  51
- Adjustments
  63
- Developing Section
  67
- Process Section
  69
- Maintenance
  72
- Adu Unit
  91
- Simulations
  94
Upper Heat Roller
137
Key Operator Program List
138

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