Samsung Scx-4521f Need Help

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  • KHAN
    Trusted Tech
    • Aug 2006
    • 261

    #1

    Samsung Scx-4521f Need Help

    hola ,
    i Have Samsung Scx-4521f, After Printing It Shows ( Lsu Error ) What Is It For ?
    thanks
  • copi_40
    Technician
    • Mar 2006
    • 49

    #2
    Originally posted by KHAN
    hola ,
    i Have Samsung Scx-4521f, After Printing It Shows ( Lsu Error ) What Is It For ?
    thanks
    For LSU sure .
    Replace LSU . Is dead .

    Comment

    • KHAN
      Trusted Tech
      • Aug 2006
      • 261

      #3
      samsung LSU SCX 4521f

      thanks For Reply, But The Printer Is In Working Order But Some Time It Shows Error .
      thanks

      Comment

      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 23008

        #4
        Not for long. You may get another week out of it.
        If you'd like a serious answer to your request:
        1) demonstrate that you've read the manual
        2) demonstrate that you made some attempt to fix it.
        3) if you're going to ask about jams include the jam code.
        4) if you're going to ask about an error code include the error code.
        5) You are the person onsite. Only you can make observations.

        blackcat: Master Of The Obvious =^..^=

        Comment

        • Sathsayin
          Technician
          • Nov 2007
          • 21

          #5
          does it make a loud whistleing noise. If so the polygon motor may be going out. u may get 1 maybe 2 months. does the image looked warped are streched. could be dust in the laser bounceing around. The machine will usualy throw the code whenever there is something inside sometimes it just prints freaky looking images. so it will work untill dust is in the wrong spot to many times are there is something malfuncition inside of it and it will throw the code. only solution is to replace. you may have tommorrow are next month.
          I want to choke the axxhole who designed this!!!!

          Comment

          • KHAN
            Trusted Tech
            • Aug 2006
            • 261

            #6
            samsung LSU SCX 4521f

            thanks i will check if there is any dust in the LSU, YES THE IMAGE IS NOT LIKE BEFORE IT WAS.
            MARCI

            Comment

            • Sathsayin
              Technician
              • Nov 2007
              • 21

              #7
              well you cant really take the lsu apart you can only replace it. i havent worked on that model but all lsu's work about the same. Maybe theres something i dont know but i thought you couldnt take it apart.
              the dust im talking about is microscopic. opening it will make it worse. i think its vacuum sealed.???
              I want to choke the axxhole who designed this!!!!

              Comment

              • blackcat4866
                Master Of The Obvious

                Site Contributor
                10,000+ Posts
                • Jul 2007
                • 23008

                #8
                Cleaning laser units.

                I've cleaned a few laser units successfully. Never Samsung, but HP, Canon, Sharp, yes.

                But I've learned a few things the hard way. Never touch the polygon mirror surfaces with anything. Even a shammy scratches it to sh*t. Totally ruined.

                Use a blower brush to blow out most of the dust. Use a lint free cloth on lenses, mirrors, & slit glass.
                If you'd like a serious answer to your request:
                1) demonstrate that you've read the manual
                2) demonstrate that you made some attempt to fix it.
                3) if you're going to ask about jams include the jam code.
                4) if you're going to ask about an error code include the error code.
                5) You are the person onsite. Only you can make observations.

                blackcat: Master Of The Obvious =^..^=

                Comment

                • Sathsayin
                  Technician
                  • Nov 2007
                  • 21

                  #9
                  thanks for the info as well blackcat4866 my mistake
                  I want to choke the axxhole who designed this!!!!

                  Comment

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