Genuine Ricoh Gen5 MH5421F / MH5421MF Ink Recirculating Printhead, 1280 Nozzles, 54.1mm Print Width for UV, Solvent and Aqueous Printing
Product labels, model information and part numbers provide important details for identifying the correct printhead.
Where available, these details can be checked before shipment to help confirm your order.
Similar-looking printheads are not always interchangeable. Model, version, connection and other product details may affect compatibility.
If you're unsure, send us your printer model, printhead label or clear photos for checking.
Printheads are packed and labeled for easy identification and order checking.
Whether you need one unit or multiple units, we can confirm the model, quantity and shipping details before your order.
The Ricoh Gen5 MH5421F / MH5421MF is a genuine industrial inkjet printhead featuring ink recirculation, 1,280 nozzles and a 54.1 mm print width. The recirculating structure helps maintain stable ink flow and reduce jetting issues caused by clogged ink or trapped air bubbles.
Both models support UV, solvent and aqueous inks, with variable drop sizes of 7 / 14 / 21 pl and up to 2 ink colors. MH5421F is designed for 11 mPa·s ink viscosity, while MH5421MF is designed for 6 mPa·s.
Please select the correct model according to your printer and ink system. If you're unsure, send us your printer model or current printhead label for checking.
Product Name: Ricoh Gen5 MH5421F / MH5421MF Printhead
Models: MH5421F / MH5421MF
Manufacturer: Ricoh
Technology: Industrial Piezo Inkjet
Ink Circulation: Supported
Compatible Ink: UV / Solvent / Aqueous / Others
Number of Nozzles: 1,280 (4 × 320), staggered
Print Width: 54.1 mm
Resolution: Up to 600 dpi
Drop Volume: 7 / 14 / 21 pl
Maximum Ink Colors: 2 Colors
Jetting Frequency: 30 kHz
Viscosity: MH5421F — 11 mPa·s / MH5421MF — 6 mPa·s
Grayscale: Up to 4 Levels
Operating Temperature: Up to 60°C
Temperature Control: Integrated Heater & Thermistor
Printhead Dimensions: 89 × 24.5 × 66.3 mm
Weight: 147 g
Product Type: Genuine Ricoh Printhead
MOQ: 1 Piece
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