This high-quality damper fits the Epson DX5 print heads used on Roland, Mutoh and Mimaki printers. This generic high-quality damper offers long performance on all printers with eco-solvent and water-based pigmented and dye inks. Roland part number for this damper is 6081181200 replacing 7811801000. Mutoh part number for this damper is DF-42229. This damper includes a top quality o-ring on the outlet side to ensure proper sealing between the damper and the printhead.