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Summa ST160 Class T Series cutting off-2 machines

Discussion in 'Summa' started by Accelerated Graphics, May 4, 2018.

  1. Accelerated Graphics

    Accelerated Graphics Active Member

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    Jan 11, 2005
    Burleson
    This week I noticed one of my summas is cutting about 1/4' off on 1 side of a 54" sheet. So today I decide to use y other machine. Same exact machine and it cutting off the exact same.. I'm sending to winplot from Illustrator CC and the computer is wireless to the network. Has anyone seen this? 1 design is a rectangle and it dropped 1/4" from about 12" from the end of the cut
     
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  2. AF

    AF Active Member

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    Dec 8, 2013
    Ventura, CA
    Need more info and a picture would be nice.
     
  3. Accelerated Graphics

    Accelerated Graphics Active Member

    886
    1
    18
    Jan 11, 2005
    Burleson
    It is supposed to cut on the edge of the color... 10 decals on the sheet and all are perfect except the last 10" on the left side of machine.
    I have tried it on both my summas and with 2 different computers..
     

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  4. SignQuest Canada

    SignQuest Canada Merchant Member

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    8
    Sep 10, 2012
    Burgessville, Ontario
    We had that issue with a machine a few years back.
    Did a firmware update and it corrected it.
     
  5. AF

    AF Active Member

    954
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    Dec 8, 2013
    Ventura, CA
    It looks like bowing on the printed image. You may be able to compensate for the bowing in your rip. You should set the Summa to force OposXY if so equipped so the cutter will look for bowing as well.
     
  6. SellersSign&Design

    SellersSign&Design Active Member

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    Apr 22, 2013
    Harrisburg, NC
    May not have anything to do with your issue, but on both of my Summas I’ve had the OPOS sensor arm get knocked out of place, causing them to be off. If you look at the cutter head, there is a little arm on the bottom front that swings down. If there is a lot of play back and forth in the Y direction, it’s out of place.
     
  7. FrankW

    FrankW Very Active Member

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    Oct 19, 2008
    Germany
    This can happen with SummaCuts only, not with S-Classes.

    About the issue itself:

    Do an OPOS-Calibration. Set a sheet of black vinyl into the plotter and point on the OPOS-Calibration Button in the OPOS-Submenu. The plotter will cut a rectangle. Weed it and point enter.
     
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