Mimaki JV22/TX2/JV4 Water Based DX4 Printhead Description: Epson DX4 original, water-based print head suitable for Roland, Mutoh and Mimaki water-based printers. The DX4 water-based print head is the most popular print head used for water-based wide format printing applications. This is the original DX4 water-based printhead, delivered in a sealed Roland original package. This print head is compatible with a wide range of printers as specified in compatibility. Remarks: Original Part number: 228054740# To be used with: Mimaki jv4, MimakiJV22, MimakiTX2 Roland HiFiJet Pro II FJ-540, Roland HiFiJet Pro II FJ-740 Mutoh RJ-8000