With 1,280 nozzles configured in 4 x 150dpi rows, this head achieves high-resolution 600dpi printing. Isolated ink paths enable a single printhead to jet up to two ink colors.
Achieves excellent gray-scale rendering at up to 4 levels.
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.
These printheads are dedicated to aqueous ink and suitable for applications such as textiles and labels. 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 gray-scale printing.
Inkjet head with support for multiple nozzles and colors (Enhanced aqueous Ink compatibility)
Choose from two-color or four-color models to suit your application.
RICOH MH5421 (2color model)
RICOH MH5441 (4color model)
| RICOH MH5421 | RICOH MH5441 | |
|---|---|---|
| Method | Piston pusher with metallic diaphragm plate | |
| Print Width | 54.1mm | |
| Number of nozzles | 1280 (4 x 320 channels), staggered | |
| Nozzle spacing | 1/150" (0.1693mm) | |
| Nozzle spacing (Row to row distance) | A : 0.55mm B : 11.81mm (See illustration below) | |
| Max. number of color inks | 2colors | 4colors |
| Compatible ink | Aqueous ink | |
| Operating temperature range | Up to 50℃ | |
| Temperature control | Integrated heater and thermistor | |
| Jetting frequency | 30kHz | |
| Drop volume | 7/14/21pl (depending on the ink) | |
| Viscosity range | 11mPa・s | |
| Gray-scale | 4levels (depending on the ink characteristic) | |
| Total length | 248mm (Cable length : 179mm) | 500 (Cable length : 431mm) |
| Total printhead dimensions | 89(W) × 69(D)× 24.51(H)mm (3.5" × 2.7" × 1.0") *excluding cables & connectors |
|
| Weight | 155g *excluding cables & connectors | |
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