Epson 7900 DTF Missing all Nozzles But Print Head not Clogged

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Hey Guys. I have 2 Epson 7900 DTF Printers that have been working great for over 1 year now. I decided to take a vacation and Installed cleaning cartridges in them filled with Piezo Flush Cleaning Solution. Purged all the inks from the Ink Tubes and print head and even ran a nozzle check, and all printed perfect with the Red Piezo Flush on both printers. Came back from vacation and ran a print head clean and nozzle check and noticed 2 nozzles not printing at all. So I ran another nozzle check and ended up missing 2 more nozzles. Same happened with 2nd printer. Check the printers back the next day and all nozzles stop printing. I removed both print heads and used a syringe to check each nozzle and all were completely clear, but for some reason the nozzles just stop printing. Have anyone here had this issue? I’m thinking the Piezo Flush ruined my Print heads on both printers, same issue. Would really Appreciate your Reply.

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