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This MH5421F Ricoh printhead offers high-resolution printing and support for multiple ink colors with multi-row nozzles, as well as enhanced aqueous ink compatibility with new bonding technology.

The following items are expressly excluded from warranty coverage: defects in printers related, in any way, to the use of any non-original or DIGINK inks or ink cartridges and nozzle clogging 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.



Product Specifications

  • Max. number of color inks: 2 colors

  • Print width: 54.1mm

  • Compatible ink: aquaeous ink

  • Nozzle spacing: 1/150" (0.1693mm)

  • Head materials: SST, Nickel alloy and Epoxy Adhesive

  • Nozzle plate surface: Coated SST

  • Number of nozzles: 4 x 320 nozzles (1280)

  • Nozzle spacing: 0.1693 mm

  • Temperature control: Integrated Heater and Thermistor

  • Operator temperature range: Up to 50° C

  • Drop volume: 7/14/21 pl (depending on the ink)

  • Jetting frequency: 30 kHZ

  • Viscosity range: 11mPa . s

  • Gray-scale: 4 levels (depending on the ink characteristics)

  • Total length: 248mm (cable length: 179mm)

  • Dimensions: 89 x 25 x 69 mm (excluding cables)

  • Weight: 155g

 This printhead carries a manufacturer warranty. Country of origin : Japan

GEN5 MH5421F

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