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Need Urgent Help (Roland SP300)

Discussion in 'Roland' started by FALCON, May 20, 2019.

  1. May 20, 2019 #1
    FALCON

    FALCON Member

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    Mar 14, 2019
    United State
    Hi, my device got into trouble after a long time, it did not print at all at first, after I searched the Internet, I replaced the 4 Ribbon cable , and also had two fuses on the main board (shown in the attached image), the head They are perfectly clean and all the components are supposedly normal, but the printing is not done properly. (Image samples are included in the printout). Please help me
     

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  2. May 22, 2019 #2
    FALCON

    FALCON Member

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    United State
    anybody here?
     
  3. May 22, 2019 #3
    Texas_Signmaker

    Texas_Signmaker Very Active Signmaker

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    Do a nozzle check test print and post that... Seems you've got several colors missing.
     
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  4. May 22, 2019 #4
    FALCON

    FALCON Member

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    Mar 14, 2019
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    Ok, thanks for your attention
     
  5. May 23, 2019 #5
    FALCON

    FALCON Member

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    Mar 14, 2019
    United State
    Images of check nozzles, 4 cables and 2 fuses were replaced, each of the 2 heads was cleaned with a special wash solution. The nozzle colors of the check are very pale.

    Also, in photo 5, after a checkout nozzle, a print sample is sent that is very poor quality (with the specified arrow)
     

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  6. May 24, 2019 #6
    FALCON

    FALCON Member

    46
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    Mar 14, 2019
    United State
    anybody
     
  7. May 24, 2019 #7
    player

    player Major Contributor

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    Not help, but I ran wires from the fuses to a new fuse holder so I could change them out. Much easier to solder the wires onto the existing lugs. I did not remove the bad fuses.
     
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  8. May 24, 2019 #8
    FALCON

    FALCON Member

    46
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    Mar 14, 2019
    United State
    The fuses are checked. They are healthy
    Is it possible to fuse? The factory fuse is 1.6 amps, but replaced with a 1.5-amp model last week.
     
  9. May 24, 2019 #9
    Texas_Signmaker

    Texas_Signmaker Very Active Signmaker

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    Getting a lower rated fuse only means it will blow at a lower voltage...so as long as it's closed you're ok. Dont think .1v would make that big a difference.

    I duno what to make of that test print. Kinda looks like magenta is bleeding into yellow and half of the nozzles are not firing...then again you got all the black with that digital static looking thing so ... I duno.
     
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  10. May 25, 2019 #10
    signage

    signage Major Contributor

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    fuse don't blow/open on voltage! They open on current/amps!
     
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  11. May 25, 2019 #11
    FALCON

    FALCON Member

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    Mar 14, 2019
    United State
    Thanks for your guidance
    Can you tell me what to do?
    How can I know if the head is healthy or damaged? All head nozzles are open and there is no apparent objection.
     
  12. May 25, 2019 #12
    Texas_Signmaker

    Texas_Signmaker Very Active Signmaker

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    You're right I knew I got that wrong once I posted lol
     
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  13. May 25, 2019 #13
    hand851

    hand851 Roland Mutoh & Mimaki inks digiprint-parts.com

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    Nov 22, 2010
    Columbus, Ohio
    You need new heads. replace heads, dampers, cap and pump. Start with pump first see if it gats any better. The magenta damper is bad (leaking).
     
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  14. May 25, 2019 #14
    FALCON

    FALCON Member

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    Mar 14, 2019
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    Are you sure the problem is head And not from the mainboard?
     
  15. May 26, 2019 #15
    methogod

    methogod Member

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    roland facebook group will be more helpful.. techs there.
     
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  16. May 26, 2019 #16
    hand851

    hand851 Roland Mutoh & Mimaki inks digiprint-parts.com

    196
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    Nov 22, 2010
    Columbus, Ohio
    no it is the heads. The main board is working or you would not get any ink jetting. It's the heads.
     
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