Riso RP-255 - Fans, Solenoids, Electromagnetic Clutch

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ELECTRICAL COMPONENTS

[ 22 - 4 ]

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2203

2204

2. Fans, Solenoids, Electromagnetic Clutch

Table of Contents

Default Chapter1
- Technical Manual1
- Table of Contents3
Chapter 1 : Maintenance15
- Work Precautions15
- Connections16
- Jigs17
- Important Precautions19
- Unpacking (RN25 Series)23
- Unpacking (RN20/21 Series)25
- Installation Procedure for the RN-B4 Inkless Print Cylinder (Drum)26
- Exterior Cover Removal28
- Opening the Pcbs (RN25 Series)33
- Removal of the Controller and Main Pcbs (RN20/21 Series)35
Chapter 2: Machine Summary38
- Specifications (Rn25 Series)39
- Specifications (RN20/21 Series)40
- Specifications (RN25 Series)40
- Cross-Sectional Diagram41
- Operation Outline42
- Outline of Paper-Feeding, Printing, and Paper-Ejection Operations43
- Outline of Master-Removal, Master-Making, and Master-Loading Operations44
Chapter 3: Main Drive Section46
- Mechanism47
- Disassembly51
- Adjustment57
  - Print-Drum Position-A Adjustment57
Chapter 4: First Paper Feed Section58
- Mechanism59
- Disassembly66
- Adjustment78
Chapter 5: Second Paper Feed Section84
- Mechanism85
  - Second Paper Feed Mechanism85
  - Vertical Print Positioning Mechanism87
- Disassembly89
- Adjustment99
  - Timing Cam Mounting Position99
Chapter 6: Press Section100
- Mechanism101
  - Press Mechanism101
  - Pressure Control Mechanism103
- Disassembly104
- Adjustment109
  - Mounting Position of the Pressure Lever Ass'y109
Chapter 7: Paper Ejection Section112
- Mechanism113
- Disassembly117
- Adjustment139
  - Separator Mounting Position139
Chapter 8: Print Drum Section140
- Mechanism141
- Disassembly146
- Adjustment164
Chapter 9: Master Clamp Section170
- Mechanism171
- Disassembly174
  - Removing the Clamp Unit174
  - Removing the Clamp Motor, Clamp Sensor A, Clamp Sensor B175
Chapter 10: Master Removal Section176
- Mechanism177
- Disassembly184
CHAPTER 11 : FB ORIGINAL SCANNING SECTION (New Scanner)198
- Mechanism198
- Disassembly204
- Adjustment211
CHAPTER 12 : FB ORIGINAL SCANNING SECTION (Previous Scanner)214
- Mechanism214
- Disassembly223
- Adjustment231
CHAPTER 13: AF SCANNING SECTION (RN25 Series)232
- Mechanism233
- Removal and Assembly238
- Adjustment252
CHAPTER 14: AF SCANNING SECTION (RN20/21 Series)254
- Mechanism255
- Disassembly259
- Adjustment269
Chapter 15: Master Making Section272
- Mechanism273
- Disassembly282
- Adjustment290
  - Thermal Power of Thermal Print Head290
  - Master Feeding Adjustments292
Chapter 16: Timing Charts296
- Initialization Operations297
  - Overall Initialization Operation297
  - Individual Initialization Operations298
- Printing Operations304
- Master Removal Operations320
  - Overall Timing in Normal Master Making320
  - Individual Master Removal Operations321
    - [Removed Master Vertical Transport Operation]321
    - [Disposed Master Compressing Operation]322
- Master Making Operation323
  - Overall Timing in Normal Master Making323
  - Individual Master Making Operation324
Chapter 17: Panel Messages328
- Explanation of Panel Messages329
- Error-Code Displays329
- G-Code Indication [400 Dpi Machines]367
- Backed-Up Errors367
Chapter 18: Test Mode368
- Procedures369
- Individual Test Procedures370
- System/Control Panel Test Mode371
- Process/Scanning Test Mode375
- Master Making Test Mode381
- Master Disposal Test Mode383
- Paper Feed/Eject Test Mode384
- Print Drum Test Mode387
- Printing Test Mode390
  - Print Drum Code Settings398
  - Halftone-Curve Matrix (for 300 Dpi Machine)398
Chapter 19: Miscellaneous Precautions400
- Software Downloading Procedure (RN25 Series)401
- ROM Replacement (RN20/21 Series)401
- Battery Replacement401
- Replacement of the SH-PCB (RN25 Series)401
- Main PCB Replacement (RN20/21 Series)403
- Mechanical Control (MCTL) PCB Replacement (RN25 Series)403
- Drum-Control PCB Replacement404
- Print Position Adjustment404
CHAPTER 20: ELECTRICAL DIAGRAMS (RN25 Series)406
- Connections407
- PCB Layout420
- PCB Function Chart421
- Power-Supply-Unit Fuse Chart422
- Power-Supply Section428
CHAPTER 21: ELECTRICAL DIAGRAMS (RN20/21 Series)429
- Master-Removal Section429
- PCB Layout436
- PCB Function Chart437
- Power-Supply-Unit Fuse Chart438
Chapter 22 : Electrical Components441
- Motors441
- Fans, Solenoids, Electromagnetic Clutch443
- Photo-Sensors445
- Other Sensors, Switches, and Potentiometers447

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