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spectra

  1. spectra heads plate colors????

    when i receive print heads in my ultrasonic lab, i find 2 typical types of spectra heads, one gold on the bottom plate and the other is silver? what is that for and what is that for? are they both 128?

  2. Spectra SE/SM print heads

    We recently changed out our 24 UV-SE heads for SM heads. I have about 10 left-over SE that need cleaning or re-furbishing. Anyone recomend someone that can clean/refurb and trade me for some number of SM heads? Thanks in Advance....
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