The following printers use the solvent DX4's: Mimaki JV3-130S / JV3-130SL / JV3-160S / JV3-160SP / JV3-250SP / JV3-75SPII / JV3-130SPII / TX2-1600, Mutoh Rockhopper II 50 / Rockhopper II 64 / Rockhopper II 87 / Rockhopper II K Plus / Rockhopper II-2H / Rockhopper II-4H / Rockhopper 3 65 / Rockhopper 3 90 / Rockhopper 3 Extreme / Spitfire 65 / Spitfire 90 / Spitfire 100 Extreme / Blizzard 65 / Blizzard 90 / Valuejet 2606, Roland CJ-540 / FJ-540 / FJ-640 / FJ-740 / FP-740 / LEC-300 / LEC-330 / LEC-540 / LEJ-640 / SC-540 / SC-545EX / SJ-540 / SJ-640 / SJ-645EX / SJ-740 / SJ-745EX / SJ-1000 / SJ-1045EX / SP-300 / SP-300I / SP-300v / SP-540 / SP-540I / SP-540V / VP-300 / VP-300I / VP-540 / VP-540I / RS-540 / RS-640 / XC-540 / XC-540MT / XJ-540 / XJ-640 / XJ-740, Uniform Cadet / Cadet Plus / Fusilier, Xerox 8265 / 8290 / 8365 / 8390.... The following waterborne printers use the DX4's: Agfa Grand Sherpa 50 / Grand Sherpa 64 / Grand Sherpa 65 Universal AM / Grand Sherpa 90 Universal AM, ATP Color T 74 / T 87, Azon Micro TEX Pro, D.Gen Arachne Combo 748 TX-C / Teleios 74-v6, Eastech Austrina, Graphics One GO Rio TX, Mimaki JV22-130 / JV22-160 / JV4-130 / JV4-160 / JV4-180 / TX2-1600 / DS-1600 / DS-1800 / GP-604 / GP-1810 / GP-1810D, Mutoh RJ-8000-50 (Falcon II) / RJ-8000-64 (Falcon II) / RJ-8000-87 (Falcon II) / Viper 65 / Viper 90 / Viper 100 / Viper TX 65 / Viper TX 90 / Viper Extreme 65 / Viper Extreme 90 / Viper 100 TX Extreme / Viper TX Extreme 65 / Viper TX Extreme 90 / Viper TX Soft Sign / Viper DS, Roland FJ-540 / FJ-640 / FJ-740, Splash of Color DFP 64 / DFP 74 / DFP 104... Either will fit in any printer but the ones for waterborne inks aren't coated to withstand solvents, so with a solvent or Eco-sol you want the solvent heads or they will wear out fast...