Service Manuals, User Guides, Schematic Diagrams or docs for : Minolta Copiers Di620 1155024

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                                                                       MINOLTA CO., LTD., SERVICE ENGINEERING DIVISION

                                                                                                               PAGE NO. : 1/1
                   SERVICE BULLETIN
                                                                       PROBLEM            FUNCTION                    SAFETY

                                                                                        SERVICEABILITY                OTHERS

  MODEL NAME :     Di620                                               OTHERS           PERFORMANCE              CORRECTION

                                                                                      SAFETY REGULATION               OTHERS
 MODEL CODE :      1155
           NO. :   024
          DATE :   990114
       SUBJECT :   PWB-HV CHANGE


 When traces of the PC Drum Paper Separator Fingers are evident on the copy, the HV unit is adjusted through the
 dip switches of DP301 to boost the output of the Paper Separator Corona.

 DP301 has now been modified from 4 to 6 dip switches and 4 more steps of possible corona output have been
 added. Please see the dip switch table below for the new corona output settings.

                                                     01
                                                                                 DP301




      Corona Output                           DP 301                              S1S3:  For first copy cycle
                                                                                   S4S6: For second copy cycle
                           S1      S2       S3     S4             S5    S6
                          OFF     OFF      OFF    OFF            OFF   OFF
          Low             ON      OFF      OFF     ON            OFF   OFF
                          OFF     ON       OFF    OFF            ON    OFF
                          ON      ON       OFF     ON            ON    OFF       (factory setting)
                          OFF     OFF      ON     OFF            OFF   ON
          High            ON      OFF      ON      ON            OFF   ON
                          OFF     ON       ON     OFF            ON    ON
                          ON      ON       ON      ON            ON    ON




            BEFORE MODI.                   AFTER MODI.                                         QTY
NO.     F-IND         PART NO.          PART NO.         F-IND          PART NAME                        I   SE/NO.     AREA


01    25-12AA      1155-6202-03    1155-6202-04     25-12AB       PWB-HV                      1      1 Y 003329         0000




                                                                                              PCJ-242iA PRINTED IN JAPAN

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