Sharp SF-2120 Manuals

Manuals and User Guides for Sharp SF-2120. We have 1 Sharp SF-2120 manual available for free PDF download: Service Manual

Sharp SF-2120 Service Manual

Sharp SF-2120 Service Manual (148 pages)

Brand: Sharp | Category: Copier | Size: 4.98 MB

Table of Contents

Table of Contents
2
Product Outline
5
Product Specifications
6
Description of each Section
7
Supply Parts
8
Optional Specifications
10
Rollers, Mirrors, Etc
18
- Unpacking and Installation
  19
- Space Around the Machine
  20
Optical System Lock Release
21
Developing Unit Setting
22
Toner Density Sensor Level Adjustment
23
- Center Shift Adjustment
  25
- SF-CM15) Installation
  26
Tray Paper Size Selection
29
- Descriptions of each Section
  31
- Developing Section
  32
  - Basic Operations
    33
  - Basic Operations
    36
    
    Copy Process
    38
    
    Process Diagram
    39
    
    Details of Image Forming Process
    40
    
    Potential
    44
    
    Transport/Fusing Section
    46
    
    High Voltage Section
    47
    
    Disassembly and Assembly
    49
- PS Front Roller Ass'y
  50
- Lower Paper Feed Unit
  51
- Transport Belt
  52
Fusing Section
53
Replacement
59
- Lens Wire Replacement
  61
- Lens Unit Replacement
  63
High Voltage Section
64
- Unit
  65
- Drum (Replace Every 50K Copies)
  67
Developing Section
68
- C. V Ring Attachment
  69
- G. Developing Unit Color Identification
  70
- Power Unit
  71
- Main PWB Unit
  72
Multi Paper Feed Unit (SF-MF15: Option)
73
- Adjustment
  76
Optical System
77
- Note for Adjustments
  78
- Adjustment of each Section
  79
  - Adjustment
    80
  - Adjustment
    83
  - Simulation Input Values
    84
  - H. Horizontal Skew Adjustment
    85
  - I. Center Shift Adjustment
    87
  - K. Copy Lead Edge Adjustment
    88
  - Original Detecting Section
    90
    
    B. Original Detecting Level Adjustment
    91
  - Copy Density Adjustment
    92
  - Simulations
    99
List of Simulations
100
Details of Simulations
102
User Simulation
118
User Simulation
119
- Self Diagnostics
  120
- Main Control Pwb
  123
Set Value Recording Sheet
125
Memory Simulation List
126
Maintenance Cycle and Maintenance Items
127
- Electrical Section
  128
- Cpu (Ic6) Sc3041K12F
  131
- I/O (Ic8) Cxd1095Q
  135
- Detector Circuit of Sensor Signal
  138
- Heater Lamp Control Circuit
  139
- Stepping Motor Drive Circuit
  140
- AE (Auto Exposure) Sensor Circuit
  141
- Operation Panel
  142
  - Energystar Circuit Description
    143
  - ADU Circuit Description
    144

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