Roland BN-20 / XR-640 / XF-640 Printhead (DX7) - 6701409010

The Roland VS Series DX7 printhead is suitable for Roland VS, RA and RE eco-solvent printers. The Roland VS Series DX7 printhead has a native resolution of 360 dpi, 8 nozzle lines (corresponding with 8 independent ink channels) and 180 nozzles per line.

The Roland VS Series DX7 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 VS Series DX7 Print Head is 8 kHz.

Product Specifications

• Technology: Micro-Piezo
• Native resolution: 360 dpi
• Min. Droplet Size: 1.5 pico liter
• Tot. Amount of Nozzles: 1440 (8 lines x 180 nozzles)
• Firing Frequency: 8 kHz
• Ink Compatibility: eco-solvent and mild solvent  

It is highly recommended to replace the head cables together with a new printhead