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RICOH MH2620/2820 Product Overview
This printhead family delivers large image drop size jetting capability.
Supports high-viscosity ink and operating temp to 80℃.
Characteristics
Droplet enlargement
This printhead is capable of jetting a variety of ink types in large droplet sizes. Please choose from two models to suit your application: Multi-drop 15-45pl (MH2620) or 27-54 pl (MH2820)
Heated operation up to 80℃
The built-in heater heats the ink to up to 80℃ for jetting, providing support for high-viscosity inks.
Variable drop volume capability
The multi-drop capability allows the creation of a range of drop sizes enabling grey-scale printing.
Excellent durability and extended service life
Ricoh inkjet printheads are made of stainless steel. These printheads are highly robust and offer excellent anti-corrosion properties for multiple inks, resulting in excellent durability and extended service life.
Support for different inks
With its built-in heater, these printheads are capable of jetting high-viscosity inks. Additionally, the ink path is isolated from the actuator (piezo elements) , i.e. no ink contact.
Specifications / External dimensions
Inkjet printhead with support for droplet enlargement and high-viscosity inks
Choose from two models to suit your application with droplet volumes of 15-45pl and 27-54pl.
RICOH MH2620/2820
Specifications
| RICOH MH2620 | RICOH MH2820 | |
|---|---|---|
| Method |
Piston pusher with metallic diaphragm plate
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|
| Print Width |
64.9 mm(2.6")
|
|
| Number of nozzles |
384 (2 x 192 channels), staggered
|
|
| Nozzle spacing (Within a row) |
1/75"(0.339 mm)
|
|
| Nozzle spacing (Row to row distance) |
0.9948mm
|
|
| Compatible ink |
UV, Solvent, Aqueous, Others.
|
|
| Total printhead dimensions |
120(W) x 13.2(D) x 75.56(H) mm (4.72" x 0.5" x 3.0") excluding cables
|
|
| Weight |
108g
|
|
| Max.number of color inks |
2 colors
|
|
| Operating temperature range |
Up to 80℃
|
|
| Temperature control |
Integrated heater and thermistor
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|
| Drop volume/Jetting frequency |
15pl - 30kHz、30pl - 20kHz、45pl - 14kHz
|
27pl - 30kHz、54pl - 20kHz
|
| Viscosity range |
11 - 13mPa⋅s
|
|
| Surface tension |
28 - 35mN/m
|
|
Grey-scale
|
4 levels
|
3 levels
|
| Total Length（ケーブル含む） |
256 mm (standard) including cables
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|
| Ink port |
Yes (standard)/No (optional)
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|
| Number of ink ports |
1 color : 1 x dual/2 colors: 2 x dual
|
|
| Alignment pin direction |
Front (standard)/Back (optional)
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|
Nozzle
External dimensions
Customer Resources
For Customers Considering a Purchase
Related Links
Ricoh's inkjet technology is based on more than 50 years of continuous research and innovation.Ricoh keeps expanding the printing possibilities, delivering new value and new experiences for our customers across the globe.
Ricoh operates Inkjet printhead business globally.