Specifications Active Print Width: 72mm Nozzles: 508 Nozzle Plate: Non-Wetting Physical resolution: 180 dpi Firing Frequency: 18 kHz (and multiples) Drop Volume: multiple of 12pl (up to 7 drops) Printer compatibility: Infiniti Challenger FY-3266T / Challenger FY-306T / Challenger FY-3208T / Challenger FY-3286T, Crystek X5300, Leyenda 3200F3 / 1800T3, Nuocai NC-SPT2531, Forni HS1804, Icontek TW-1800J3, OraJet J18, CrystalJet 6000 series This Seiko 508GS 12PL solvent printhead is suitable for a range of printers, including Infiniti printers. The Seiko 508GS is a state of the art grayscale print head with a built-in damper assembly and a nozzle guard. This is the original Seiko part (number IRH2533U-2410).