9UV is the recovery fluid for UV curable print heads: Spectra, Xaar, Konica-Minolta, Hitachi, Toshiba Tec, etc. One of our strongest UV solutions, which can dissolve a completely cured UV ink. WARNING! Use this solution only on PHD machines with Swiss pumps, otherwise it will void your warranty on the pumps. Do not leave this solution inside a print head for more than 30 minutes. Flush the head out using the Intermediate Fluid or, if applicable, with the flushing solution that came with the inks that were used on that print head.