Bizhub 458e scanning cut edges

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  • Bix
    Service Manager

    1,000+ Posts
    • Apr 2018
    • 1421
    #1

    Bizhub 458e scanning cut edges

    Hello,

    I have one question about bizhub 458e.

    The client pointed out to me that the scans, the edges are cut.


    I saw in the Service Manual "ADF automatic adjustment". But I did not understand the procedure: should you insert the white paper or the chart that is given during the first calibration installation?


    What is the distinction between Sub Scanning and Main Scanning? The first is done by DF while the second on the glass?


    Let me know.
    Thanks in advance.
    Tags: 458e, bizhub, cut, edges, scanning
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22699
      #2
      Re: Bizhub 458e scanning cut edges

      Are you asking: "Why are there edge voids on scans?"

      =^..^=
      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

        • Copier Addict
          Aging Tech

          Site Contributor
          10,000+ Posts
          • Jul 2013
          • 13039
          #3
          Re: Bizhub 458e scanning cut edges

          Originally posted by Bix
          Hello,

          I have one question about bizhub 458e.

          The client pointed out to me that the scans, the edges are cut.


          I saw in the Service Manual "ADF automatic adjustment". But I did not understand the procedure: should you insert the white paper or the chart that is given during the first calibration installation?


          What is the distinction between Sub Scanning and Main Scanning? The first is done by DF while the second on the glass?


          Let me know.
          Thanks in advance.
          The way I understand the difference between sub scan and main scan is, main scan is the printing and sub scan is the movement of the paper. I could have that entirely wrong though.
          The edge void can be adjusted in service mode. I believe it is under the "Machine" tab.

            Comment

            • tsbservice
              Field tech

              Site Contributor
              5,000+ Posts
              • May 2007
              • 7635
              #4
              Re: Bizhub 458e scanning cut edges

              There is difference between scan/copy from glass and DF.
              DF must be setup properly otherwise there may be loss of image due to image been shifted front to rear, or lead to trail edge.
              Main scan is Y axis and Sub scan is X axis if you take original glass as xy coordinate system, to keep it simple.
              A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
              Blessed are they who can laugh at themselves, for they shall never cease to be amused.

                Comment

                • Synthohol
                  Certified Konica Expert

                  Site Contributor
                  5,000+ Posts
                  • Mar 2016
                  • 5463
                  #5
                  Re: Bizhub 458e scanning cut edges

                  Easy demo, take a sky shot and explain the void frame will never be copied ever.
                  If it's uneven then adjustments can be made but there is always a frame void.
                  Simple solution is to reduce the copy/scan to 98% so you can see the whole document.
                  We know a thing or two because we've seen a thing or two.
                  The medication helps though...

                    Comment

                    • Bix
                      Service Manager

                      1,000+ Posts
                      • Apr 2018
                      • 1421
                      #6
                      Re: Bizhub 458e scanning cut edges

                      Hi guys,
                      thank you so much. I missed the option in "Machine", it's very useful!


                      I didn't know about the X and Y axis, thanks again!

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