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Need Urgent Help (Roland SP300)

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

  1. FALCON

    FALCON Member

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    Mar 14, 2019
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    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. FALCON

    FALCON Member

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    Mar 14, 2019
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    anybody here?
     
  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. FALCON

    FALCON Member

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    Mar 14, 2019
    United State
    Ok, thanks for your attention
     
  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. FALCON

    FALCON Member

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    Mar 14, 2019
    United State
    anybody
     
  7. player

    player Major Contributor

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    Apr 24, 2006
    Toronto
    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. FALCON

    FALCON Member

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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. 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. signage

    signage Major Contributor

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    Oct 5, 2005
    Penn
    fuse don't blow/open on voltage! They open on current/amps!
     
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  11. FALCON

    FALCON Member

    46
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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. 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. 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. FALCON

    FALCON Member

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    Mar 14, 2019
    United State
    Are you sure the problem is head And not from the mainboard?
     
  15. methogod

    methogod Member

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    Nov 15, 2013
    Baltimore, Maryland
    roland facebook group will be more helpful.. techs there.
     
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  16. hand851

    hand851 Roland Mutoh & Mimaki inks digiprint-parts.com

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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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    • Agree Agree x 1
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