With 1,280 nozzles configured in 4 x 150dpi rows, this head achieves high-resolution 600dpi printing. Additionally, the ink paths are isolated, enabling a single head to jet up to four ink colors.
Achieves excellent gray-scale rendering with up to 4 scales per dot.
Ricoh inkjet print heads are made of stainless steel. These heads are highly robust and offer excellent anti-corrosion properties for multiple inks, resulting in excellent durability and extended service life.
With its built-in heater, these heads are capable of jetting high-viscosity inks. Additionally, the ink path is isolated from the actuator (piezo elements) , i.e. no ink contact.
The multi-drop capability allows the creation of a range of drop sizes enabling grey-scale printing.
Inkjet head with support for multiple nozzles and colors
Choose from two-color or four-color models to suit your application.
| MH5420 | MH5440 | |
|---|---|---|
| Method | Piston pusher with metallic diaphragm plate | |
| Print Width | 54.1 mm(2.1") | |
| Number of nozzles | 1,280 (4 × 320 channels), staggered | |
| Nozzle spacing (4 color printing) | 1/150"(0.1693 mm) | |
| Nozzle spacing (Row to row distance) | 0.55 mm | |
| Nozzle spacing (Upper and lower swath distance) | 11.81mm | |
| Compatible ink | UV, Solvent, Aqueous, Others. | |
| Total printhead dimensions | 89(W) × 69(D) × 24.51(H) mm (3.5" × 2.7" × 1.0") excluding cables & connectors | |
| Weight | 155g | |
| Max.number of color inks | 2 colors | 4 colors |
| Operating temperature range | Up to 60℃ | |
| Temperature control | Integrated heater and thermistor | |
| Jetting frequency | Binary mode : 30kHz / Grey-scale mode : 20kHz | |
| Drop volume | Binary mode: 7pl / Grey-scale mode : 7-35pl *depending on the ink | |
| Viscosity range | 10-12 mPa•s | |
| Surface tension | 28-35mN/m | |
| Grey-scale | 4 levels | |
| Total Length | 248 mm (standard) including cables | |
| Ink port | Yes | |
| Number of ink ports | 2 × dual ports | 4 × dual ports |
| Alignment pin direction | Front (standard) | |
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