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RICOH MH5420/5440 Product Overview
This is a printhead with 600 dpi native resolution. Also capable of jetting up to 4 colors.
Characteristics
Single-pass 600dpi high-resolution printing and support for multiple ink colors
With 1,280 nozzles configured in 4 x 150dpi rows, this printhead achieves high-resolution 600dpi printing. Additionally, the ink paths are isolated, enabling a single printhead to jet up to four ink colors.
Support for grey-scale
Achieves excellent grey-scale rendering with up to 4 scales per dot.
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.
Variable drop volume capability
The multi-drop capability allows the creation of a range of drop sizes enabling grey-scale printing.
Specifications / External dimensions
Inkjet printhead with support for multiple nozzles and colors
Choose from two-color or four-color models to suit your application.
MH5420 (two-color model)
MH5440 (four-color model)
Specifications
| RICOH MH5420 | RICOH MH5440 | |
|---|---|---|
| Method |
Piston pusher with metallic diaphragm plate
|
|
| Print Width |
54.1 mm(2.1")
|
|
| Number of nozzles |
1,280 (4 x 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) x 24.51(D) x 69(H) mm (3.5" x 1.0" x 2.7") 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（ケーブル含む） |
248mm (standard) including cables
|
|
| Ink port |
Yes
|
|
| Number of ink ports |
2 x dual ports
|
4 x dual ports
|
| Alignment pin direction |
Front (standard)
|
|
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*Results obtained from continuous jetting test using standard Ricoh test ink.
Nozzle
Total printhead 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.