Roland RE640 / VS640 Eco Solvent printhead (DX7)The Roland RE640 / VS640 dx7 printhead is suitable for Roland VS, RA and RE eco-solvent printers. The Roland RE640 / VS640 DX7 printhead has a native resolution of 360 dpi, 8 nozzle rresponding with 8 independent ink channels) and 180 nozzles per The Roland RE640 / VS640 DX7 printhead is either used in 4-colour or 8-colour printers and has a minimum, variable droplet size of 1.5 pico litre (max. droplet size is 21 pico litre). The typical firing frequency for The Roland RE640 / VS640 DX7 printhead is 8 kHz. The Roland RE640 / VS640 DX7 printhead is based upon the most recent Epson technology. This is the original Roland printhead (part numbe).To be used with: Roland BN-20 / RA-640 / RE-640 / RF-640 / VS-300 / VS-300i / VS-420 / VS-540 / VS-540i / VS-640 / VS-640i/ XF-640 / XR-640Remarks: OriginalPart no :