This printhead is either used in 4-colours (2 channels per colour) and has a minimum, variable droplet size of 1.5 pico litre (max. droplet size is 21 pico litre). The typical firing frequency for this print head is 8 kHz.
The VJ-1638 printhead Assy has a native resolution of 360 dpi, 8 nozzle lines (corresponding with 8 independent ink channels) and 180 nozzles per line.
The Mutoh VJ-1618 printhead (sixth generation micro-piezo print head) has a native resolution of 1440dpi, 8 nozzle lines (corresponding with 8 independent ink channels) and 180 nozzles per line.
This is the original Epson DX4 RJ-8000 Head Assy 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
This new generation Epson MicroPiezo TFP printhead is suitable for Epson Stylus Pro 11880 printers. It has a native resolution of 2.880 x 1.440 dpi, providing the highest resolution in the industry. The Epson Stylus Pro 11880 Printhead has a minimal drop volume of 3.5 pl.
The Epson DX4 water-based printhead is suitable for Roland, Mutoh and
Mimaki water-based printers. The Epson DX4 printhead has a native
resolution of 360 dpi, 2 nozzle lines (corresponding with 2 independent
ink channels) and 180 nozzles per line.