Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment Riso TI RN RNT-006

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                                                                                                Page    1     of      1
                        RN SERIES TECHNICAL BULLETIN
Data Category          Field Modification       Trouble-Shooting        General Information       Safety Advice
DISTRIBUTED TO : All Distributors                                                    DATE : 03 April, 2001

 MODEL : All "RN" models                    ISSUE
                                                  :          RNT-006              Our Ref.:
                                              NO.
 Proceeding Grade                     Parts Compatibility                     Handling of Modified Parts
    Action ASAP                          Compatible                                Free of Charge
    Action as given below                Conditionally Compatible                  Conditionally Chargeable
    Action if required                   Not Compatible                            Chargeable
    Refer in need                        Old Obsolete

  SUBJECT:            Panel Message "C03-308" Empty Master Disposal Box
                      Panel Message "C03-313" Empty Master Disposal Box
  Brief:
  Either one of above two messages does not clear even though the master disposal box is emptied.

  Reason:
  The Disposal Box Safety Switch stays in contact with the Master Disposal Gate Housing Bottom Bracket
  even though the Master Disposal Box is removed from the machine.
  The reason for this is that the wire harness band is making the bundled wire harness stiff and preventing the
  Safety SW Ass'y Bracket from turning smoothly on its pivot. The Safety SW Ass'y Bracket remains in
  position in which the safety switch is activated by the Master Disposal Gate Housing Bottom Bracket, where
  it should be disengaging when the Master Disposal Box is removed.
  The message is not cleared unless the Disposal Box Safety Switch is released (deactivated).

  Modification:
  If the movement of the Safety SW Ass'y Bracket is confirmed to be stiff, cut the existing wire harness band
  and rebind the wire harness with a new wire harness band in a new position in which it does not interfere with
  the movement of the Safety SW Ass'y Bracket.

  Note:
  Panel message "C03-308" appears when the master disposal box is detected as full by the disposal box full
  sensor (mechanical detection).
  Panel message "C03-313" appears when the master disposal box is detected as full by the software master
  count (software detection).
  Which detection of the two comes out the first depends on each machine, as the software count can be adjusted
  from maximum 50 count to minimum 40 by test mode 386. The mechanical detection varies from machine to
  machine, as it relies on the compression spring strength.

                                                                (WHEN THE MASTER DISPOSAL BOX IS REMOVED)
                            Wire harness band                   [ GOOD ]                                    [ BAD ]
                                                    SWITCH IS RELEASED               SWITCH IS STILL ACTIVATED




     Master Removal Unit        Disposal Box Safety Switch                          Wire harness band



                                                 Issued By Overseas Technical Sec., Riso Kagaku Corp.

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