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printhead not firing..

Discussion in 'Roland' started by anozira02, Feb 26, 2013.

  1. anozira02

    anozira02 Member

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    Mar 23, 2009
    Prescott, arizona
    print head not firing of cj-500,, when doing a head clean it puts ink into waste bottle ok, goes through the motion of trying do a print test, but does not lay any ink down,, got new head cables, new dampers and capping station. Ink heads have nice spay pattern when I push solvent cleaner through, head board looks good the green light is on..I just don't get it! Can anyone give me some help on this??
     
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  2. cavrom

    cavrom New Member

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    Mar 3, 2013
    I have the same problem with my SC500... I changed every spare part... but no ink drop :banghead:
     
  3. anozira02

    anozira02 Member

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    Mar 23, 2009
    Prescott, arizona
    I even tried switching heads,, the black side (left) head is the only one laying ink down. Both heads pulling ink into capping station, that shows there is plenty ink going through the heads. The only part I have not changed yet is the trailing data cables. Items I changed out already as follows: heads, dampers, capping station, pump, head cables, head board, encoder sensor. My printer also gives me (Illegal Shutdown Turn Off Power) every now and then.. that error message should only happen when shutting down the printer first at the power switch instead shutting it down first with the sub power at the front panel. I am going to keep at it.
     
  4. FrankW

    FrankW Very Active Member

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    Have you checked the head fuses?
     
  5. Alpha Star

    Alpha Star Member

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    Feb 26, 2012
    Yeah, was just going to say that. Test the fuses for resistance using an ohm meter.
     
  6. anozira02

    anozira02 Member

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    Mar 23, 2009
    Prescott, arizona
    Now that sounds good,,,, where is it located is it on the main board?
     
  7. FrankW

    FrankW Very Active Member

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  8. Papajo

    Papajo Member

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    Apr 4, 2013
    France
    If a fuse is blown you should have 2 heads missing but maybe the head board could be malfunctioning. The fuses are between the big black horizontal connector that goes to the main board and the big capacitor. Have you tried crossing the head cables ? Just to be sure the problem comes from the boards/cables and not the head ?
     
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