Description
The RICOH MH5442 is the next generation of high-performance industrial inkjet printheads, building on the proven MH5440 and MH5441 family. Designed for applications requiring both high print quality and high productivity, this 4-color printhead combines advanced jetting technology with robust construction to meet the demands of industrial printing environments.
Key Features
- High print quality & productivity: 1,280 nozzles in 4 x 150npi rows, native 7pl droplet, enhanced jetting accuracy and velocity, and 30kHz max frequency in 4-level grey-scale mode.
- Enhanced ink compatibility: Works with UV, Solvent, Aqueous, and other inks — with aqueous ink service life more than double that of the MH5421/MH5441 series (per Ricoh test procedures).
- Enhanced non-wet coating: Durable nozzle surface for continued robust printing and maintenance (per Ricoh test procedures).
- System compatibility: Straightforward surface-based alignment for high precision positioning, detachable I/O cable design, and 4-color capability.
Product Specifications
- Dimensions: 89 x 25 x 69 mm (excluding cables)
- Head materials: SST, Nickel alloy and Epoxy Adhesive
- Nozzle plate surface: Coated SST
- Method: Piston pusher with metallic diaphragm plate
- Print width: 54.1mm (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): A: 1.101mm, B: 11.811mm
- Compatible ink: UV, Solvent, Aqueous, Others
- Weight: 228g (including 45C cable)
- Max. number of color inks: 4 colors
- Operating temperature range: 60°C
- Temperature control: Integrated heater and thermistor
- Jetting frequency: 30kHz (4 levels)
- Grey-scale: 4 levels*
- Drop volume: Binary mode: 7pl; Grey-scale mode: 7-21pl*
- Viscosity range: 10 - 12 mPa·s
- Surface tension: 28 - 35 mN/m
- Ink port: Yes
- Separately sold parts: Dedicated cable
*Depends on ink type and properties.
*Results obtained from continuous jetting test using standard Ricoh test fluid.
Warranty exclusions:
The following items are expressly excluded from the warranty coverage:
- defects related to the use of non-original inks
- clogged, missing or deviated nozzles
- defects related to misuse, abuse, accident, neglect, lack of use, or improper storage when not in use for extended periods
- defects related to failure to perform periodic maintenance as specified in the user documentation; operation for unintended purposes
- defects related to improper loading of media
- all other defects, failures or damage not considered manufacturing defects
- defects related to third-party applications, software, parts, components, or peripheral devices, including any bulk ink system
- defects that are merely cosmetic in nature
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