I am working on getting my dad's sp540v going but I just can't get it to print correctly. I was not printing at all, I have replaced both print head manifold nipples, 2 dampers, both cap tops, and all the ink as it has been sitting a long while. I have also pulled through all the lines, 10 to 15ml's per color. Attached is a service report as well as a test print. Black is printing almost purple and all other colors are very thin and transparent like. What could be wrong?