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  1. Vs-540i Unusual printhead problem

    Well, if your only remaining problem is Lc starving (I don't think it is an electrical issue as when you fill the printhead manually, it prints) go and review backwards from the nipple: dampers, tubing, valve, needle and cartridge to see where the ink gets trapped. Also, perhaps you have an air...
  2. Vs-540i Unusual printhead problem

    You have cross contamination. It can be due to bad sealing on the capping (review the 3 axis parking position, specially the vertical sealing -too close is bad due to pad fibers causing capilarity, and too loose brokes the vacuum sealing needed), or the tubes from capping to pump have air leak...
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