Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment Riso RN Technical manual 08

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08


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             CHAPTER 8: PRINT DRUM SECTION




                                                       Contents

Mechanism ............................................................................................................................ 8-2
      1.    Master on Drum (in Printing) Check Mechanism ..................................................... 8-2
      2.    Print Drum Set Mechanism ...................................................................................... 8-3
      3.    Ink Cartridge Set Switch PCB ................................................................................... 8-4
      4.    Squeegee Roller Rotation Mechanism .................................................................... 8-5
      5.    Inking Mechanism .................................................................................................... 8-6
Removal and Assembly ........................................................................................................ 8-7
      1.    Removing the Print Drum Front Cover, Ink Cartridge Guide Ass'y,
            Drum Front Upper Cover .......................................................................................... 8-7
      2.    Removing the Ink Cartridge Set Switch Cover and Ink Cartridge Set Switch PCB .. 8-9
      3.    Removing the Ink Cartridge Set Switch PCB Mounting Bracket ........................... 8-10
      4.    Removing the Swing Base Ass'y ........................................................................... 8-11
      5.    Removing the Ink Cartridge Guide Bottom Ass'y .................................................. 8-12
      6.    Removing the Ink Pump Unit and Inking Motor ..................................................... 8-13
      7.    Removing the Print Drum Set Sensor ................................................................... 8-14
      8.    Removing the Screen ............................................................................................ 8-15
      9.    Removing the Print Drum Body ............................................................................. 8-16
      10. Removing the Ink Sensor PCB .............................................................................. 8-18
      11. Removing the Squeegee Roller ............................................................................ 8-19
      12. Removing the Print Drum Supports (R) and (F) .................................................... 8-22
Adjustment .......................................................................................................................... 8-25
      1.    Filter Cleaning ....................................................................................................... 8-25
      2.    Squeegee Gap Adjustment ................................................................................... 8-26
      3.    Ink Blocking Plate Position Adjustment ................................................................ 8-27
      4.    Squeegee Pressure Balance Adjustment ............................................................ 8-28




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