Ricoh mp 1075 blown fuse104

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  • vedran2008
    Junior Member
    • Feb 2017
    • 7
    #1

    Ricoh mp 1075 blown fuse104

    Please help. Ricih .1075 display no work light on only led for stand. By.In power suplay fuse 104 is blown but i changed angain is blown .PSu. is problem or copier . Please. Help where is. Problem thanks gay .
    Tags: None
    • Zeldaman
      Senior Tech

      500+ Posts
      • Mar 2011
      • 946
      #2
      Re: Ricoh mp 1075 blown fuse104

      Hi there!
      If you like it or not, the best way (i.e. not the easiest) is to take the point-to-point-diagramm. There must be a cn on the board for which the fuse is build on. Playing a little bit "Sherlock" then you see which part causes the blown fuse.
      Greetings...

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        • vedran2008
          Junior Member
          • Feb 2017
          • 7
          #3
          Re: Ricoh mp 1075 blown fuse104

          when disconectet conector 119 no b;lown fuse what is problem but idon now waths is proble

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            • davel
              Technician

              1,000+ Posts
              • Oct 2011
              • 1077
              #4
              Re: Ricoh mp 1075 blown fuse104

              Originally posted by vedran2008
              when disconectet conector 119 no b;lown fuse what is problem but idon now waths is proble

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                • sharpmind
                  Trusted Tech

                  250+ Posts
                  • Sep 2009
                  • 478
                  #5
                  Re: Ricoh mp 1075 blown fuse104

                  Originally posted by vedran2008
                  Please help. Ricih .1075 display no work light on only led for stand. By.In power suplay fuse 104 is blown but i changed angain is blown .PSu. is problem or copier . Please. Help where is. Problem thanks gay .
                  There is a shorted component in the power supply.Check the integrated components with heatsink whether it is good or not.

                    Comment

                    • rudysemira
                      Trusted Tech
                      • Oct 2016
                      • 108
                      #6
                      Re: Ricoh mp 1075 blown fuse104

                      Originally posted by vedran2008
                      Please help. Ricih .1075 display no work light on only led for stand. By.In power suplay fuse 104 is blown but i changed angain is blown .PSu. is problem or copier . Please. Help where is. Problem thanks gay .
                      Check the power supply board if there is nothing shortage component like diode and check the varistor this is also protector for short circuit or you inserted not the same amperes of fuse.....is this 220 volts?

                        Comment

                        • vedran2008
                          Junior Member
                          • Feb 2017
                          • 7
                          #7
                          Re: Ricoh mp 1075 blown fuse104

                          When turn on ricoh the fan under power suplay start and stop and like riley click for protection and blown fuse
                          tomorow i going to anather ricoh 1060 wit same ps to sample ps for to see if it ps is up or something else
                          Thanks koleg thanks gay

                            Comment

                            • vedran2008
                              Junior Member
                              • Feb 2017
                              • 7
                              #8
                              Re: Ricoh mp 1075 blown fuse104

                              the power suplay is ok but not start only

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