The Ricoh MH5320 GEN6 Print Head is a next-generation industrial inkjet head engineered for UV, solvent, and aqueous inks. Featuring 1,280 nozzles, a compact design, and 5 picoliter droplet capability, it delivers razor-sharp 600 dpi printing with significantly improved speed and precision over Ricoh Gen5.
The Ricoh MH5320 GEN6 Print Head is part of Ricoh's advanced GEN6 series, launched on February 28, 2019, as a higher-spec model compared to the MH5420/5440 and MH5421/5441. It features 1,280 nozzles arranged in 4 rows at 150dpi, enabling high-resolution 600dpi printing. The printhead's minimized 5pl droplet size and improved jetting accuracy deliver exceptional print quality without graininess. Its enhanced bonding technology ensures durability, particularly for aqueous inks, with a service life over twice that of previous models. The MH5320 is designed for easy alignment using printhead surfaces and supports custom cable designs for versatile applications. It is ideal for high-speed UV printing and supports a variety of materials, including rigid (metal, ceramic, wood, glass) and flexible (PU, leather, canvas, paper) substrates.
Product Specifications
Dimensions: 89 x 25 x 69 mm (excluding cables)
Head Materials: Stainless Steel (SST), Nickel Alloy, Epoxy Adhesive
Nozzle Plate Surface: Coated SST
Number of Nozzles: 1,280 (4 x 320 nozzles)
Nozzle Spacing: 0.1693 mm
Nozzle Density: Up to 600 NPI
Print Width: 54.1 mm (2.1")
Ink Compatibility: UV, Solvent, Aqueous
Drop Size: 5pl (minimum)
Grayscale Frequency: 50kHz (maximum)
Viscosity Range: 11mPa·s
Temperature Control: Integrated Heater and Thermistor
Cable Lengths: 248mm or 447mm (including connector)
Weight: 228g (including 447mm cable)
Ignition Frequency: 50kHz (grayscale mode), compared to 30kHz (binary mode) and 20kHz (grayscale mode) for MH5420
Inkjet Control: 50% improvement in ink droplet flight velocity deviation and 37% improvement in nozzle position accuracy compared to MH5420
Color Support: Up to 2 colors (5pl drop size)
Printer Compatibility
The Ricoh MH5320 GEN6 Print Head is compatible with a range of UV printers, including but not limited to:
DOCAN UV Inkjet Printers
FLORA UV Inkjet Printers
Witcolor UV Inkjet Printers
Other industrial high-speed UV flatbed printers (e.g., 3220RV, 2513UV)
Specific compatibility may vary based on printer model and configuration. Always verify with the printer manufacturer or supplier for exact compatibility.
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