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My Value Jets keep Buckiling and Head Striking

Discussion in 'Mutoh' started by GrantX01, Jun 25, 2010.

  1. GrantX01

    GrantX01 Member

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    Dec 16, 2008
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    I was wondering if anyone knows why my 1304 and my 1614 keep lifting in the back to one side then head striking? I have been trying different things to fix it and have had know luck. Here are some pics to show you what happening

    IMG_0302.jpg

    IMG_0301.jpg

    Offsite pics replaced. Please observe our rules on photo posting.
     
    Last edited by a moderator: Jun 25, 2010
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  2. CS-SignSupply

    CS-SignSupply Very Active Member

    What material? Are you unrolling any slack from the roll before printing?

    *** Here is a pic for all to see
     

    Attached Files:

  3. GrantX01

    GrantX01 Member

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    Dec 16, 2008
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    it is a ij180-10 v3 and no there is no slack, and it only happens after I have run several hundred inches
     
  4. GrantX01

    GrantX01 Member

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    Dec 16, 2008
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    oh and it only happens after I have run several hundred inches
     
  5. CS-SignSupply

    CS-SignSupply Very Active Member

    Sounds like the core in the roll may be out of round and can cause the roll to get loose or unwound looser on one end...
     
  6. GrantX01

    GrantX01 Member

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    Dec 16, 2008
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    I do notice it happens on different rolls, some I can run 1800 inchs no prob others it happens after several hundred inches. It will also lifts in the back that I get the end of roll error when it left off the sensor.
     
  7. CS-SignSupply

    CS-SignSupply Very Active Member

    Funny question but is your printer level? I have seen rolls move left or right when being printed and therefore will cause the material to buckle or raise off the platen on one side. If the printer is level, bubble between the two lines :) , then I would suspect the roll itself is out of round a little.
     
  8. GrantX01

    GrantX01 Member

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    Ya I made sure it was level, it does sway in and out but not much and I think that is normal. I do store my material standing up do you think that could have somthing to do with it?
     
  9. CS-SignSupply

    CS-SignSupply Very Active Member

    I doubt it. The next time you notice it, take a picture of each end of the media, showing the ends to see if one side is slightly more unraveled than the other...
     
  10. GrantX01

    GrantX01 Member

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    Dec 16, 2008
    California
    Here is a pic of another roll I have they all look the same to me I have about 6 I house now


    Offsite pics replaced. Please observe our rules on photo posting.
     

    Attached Files:

    Last edited by a moderator: Jun 25, 2010
  11. CS-SignSupply

    CS-SignSupply Very Active Member

    I meant while the roll is still on the printer.
     
  12. Stealth Ryder

    Stealth Ryder Very Active Member

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    Have you recently had the back cover off?
     
  13. GrantX01

    GrantX01 Member

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    Dec 16, 2008
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    no I have not, I have 2 printers its doing the same thing to VJ-1304 and a VJ-1614
     
  14. Stealth Ryder

    Stealth Ryder Very Active Member

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    That makes no sense... How are your heaters set and what type of media?
    Are you doing or using anything different from before when it worked fine?
    Something has to have changed in the scenario...
     
  15. I would expect you are using the take up, with the lengths you are talking about. Make sure the take up is level. This will cause the media to jog to one side.

    On the 1614 you have a little metal piece on both rear feed media brackets. They have 2 screws on them. Losen the screws and engage the locks, then tighten them back up. This will prevent the roll from free spooling. I have found this to help on most materials running straight. You might have to free them up on heavy rolls.
     
  16. GrantX01

    GrantX01 Member

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    Dec 16, 2008
    California
  17. randya

    randya Very Active Member

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  18. GrantX01

    GrantX01 Member

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    Dec 16, 2008
    California
    Thank you for the link, I have tried that and have still no luck any other thoughts?
     
  19. randya

    randya Very Active Member

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    Loading or media
    To check loading

    Place a piece of tape on the platen under the media sticking out from the media.
    Make a mark at the edge of the media.
    Feed out about 5 ft and check your mark, should be right on.
     
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