New Ricoh GEN5 Printhead - MH5421F

Ricoh MH5421F Printhead – High Resolution & Enhanced Aqueous Ink Compatibility

The Ricoh MH5421F printhead is engineered to deliver high-resolution output, stable performance, and multi-color ink support for demanding printing environments. Equipped with multi-row nozzles and advanced bonding technology, this model offers superior compatibility with aqueous inks, ensuring consistent precision and long-lasting durability.

For best performance, it is recommended to replace the head cables when installing a new printhead. The MH5421F comes with a 447 mm ribbon cable (total assembly length: 500 mm). Replacement ribbon cables are also available separately.

Key Features & Specifications

• Supports up to 2 ink colors

• Print width: 54.1 mm

• Ink compatibility: Aqueous inks

• Nozzles: 4 × 320 (total 1280 nozzles)

• Nozzle spacing: 0.1693 mm (1/150")

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

• Gray scale: 4 levels (ink-dependent)

• Jetting frequency: Up to 30 kHz

• Integrated heater & thermistor for stable temperature control

• Operating temperature: Up to 50 °C

• Viscosity range: 11 mPa·s

• Materials: Stainless steel, nickel alloy, epoxy adhesive

• Nozzle plate: Coated stainless steel for durability

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

• Cable length: 179 mm (total head + cable length: 248 mm)

• Weight: 155 g

• Country of origin: Japan

• Manufacturer warranty included

The Ricoh MH5421F is a trusted choice for professionals who demand accuracy, stability, and reliability in high-resolution industrial printing.