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Yellow and Black completely missing


New Member
Hey Guys!


Changed my black print head a few weeks ago. Everythings been going great. Been printing a ton and everything looks great. Took the day off yesterday and came back today and Yellow and Black are not printing anything during the print test.

I switched cap tops. There was air in the lines, but I was able to pull ink through the cap top, but still not getting anything from either of those colors through the print test. Pump sounds like its working fine. What else could it be?