Ricoh Gen5 / 7PL-35PL UV Printhead MH5420 - N221414J

This Ricoh Gen5 / 7PL-35PL UV Printhead MH5420 (248mm, Two Color, Short Cable) - N221414J is suitable for a range of UV, water and solvent printers (Ricoh part number N221414J / N221414T). It has a total of 1.280 nozzles.

FAQ — quick evaluation questions buyers ask

    What is this printhead best used for?

    Industrial large-format and flatbed UV, solvent and water-based inkjet systems for signage, displays, packaging proofs and industrial graphics where high resolution and durable jetting are required.

    What are the nozzle / resolution / drop-size details?

•     Nozzles: 1,280 total (staggered rows allowing multi-row configuration).
•     Resolution: capable of 600 dpi native (configured as multiple 150 dpi rows), selectable lower rates for throughput.
•     Drop volume: binary mode ~7 pL; grayscale variable up to ~35 pL depending on ink and mode (supports multi-drop greyscale rendering).

    How many colors / channels does one head support?

    This two-color variant is configured to support two ink channels per head; the MH5420 family can be used in multi-head arrays for CMYK or extended-colour printing.

    What inks are compatible?

•     Designed for UV-curable inks and compatible with many solvent and water-based ink systems (confirm ink vendor compatibility for resin/binder chemistries).
•     Physical / connector details buyers need to know before ordering
•     Total printhead length (short cable SKU): 248 mm (head + cable + connector).
•     Short cable length (head cable): ~148 mm (verify exact cable length on seller spec).
•     Important: confirm mechanical mounting pattern and electrical connector pinout with your printer OEM or integrator before purchase.

    Reliability / lifetime / maintenance expectations

•     Ricoh GEN5 family advertises high durability and anti-corrosion ink paths, integrated heater/thermistor for temperature control, and extended service life under correct maintenance.
•     Typical quoted life metrics vary by vendor; some sellers reference manufacturer-level lifetimes (e.g., many billions of actuations) — confirm warranty and life estimates with the seller.
•     Performance (print speed / frequency) — what to expect
•     Jetting frequency varies by mode and ink: typical binary and grayscale firing frequencies differ (examples found: binary up to ~30–40 kHz, grayscale lower depending on drop-size and ink). Confirm expected firing frequency and throughput with your RIP/printer OEM.

    Environmental / operating conditions

    Integrated heater and thermistor allow operation with higher-viscosity inks and stability across typical industrial ranges; confirm recommended operating temperature and humidity windows for your ink/printer system.

    Compatibility — what printers / systems use this head?

    Widely used by many industrial OEMs (examples across aftermarket listings include Agfa Jeti, Handtop, Docan, CET Color, EFI Vutek and others) but compatibility is OEM-specific — always verify mechanical, electrical and firmware compatibility.

    SKU / part numbers / variations to watch for

    Ricoh part / model family MH5420; common Ricoh codes seen for this family include N221414J (248 mm short cable) and N221414T (longer cable / alternate). Confirm exact code on the seller’s listing before ordering.

    Warranty, returns and counterfeit risk

    We provide manufacturer warranty with proof of OEM origin, warranty period, return window and RMA policy.

    Common installation / setup notes for integrators

    Must confirm: mounting bracket alignment (print gap and skew), head heating and thermistor wiring, voltage/driver board compatibility, nozzle mapping in firmware/RIP, and correct ink supply plumbing. Serviceable nozzle flushing and head protection caps are recommended during storage/transport.

    Spare parts and consumables to buy with the head

    Recommended: new connector cable (if separate), head seal/gaskets, head mounting bracket hardware, compatible ink filters and spare cleaning caps. Also order matched heads if you rely on multi-head arrays to avoid visible banding from mixed head aging.

    Quick compatibility checklist to confirm before purchase (tick-box)

1.     Exact Ricoh part code (e.g., N221414J) matches OEM requirement.
2.     Cable length (248 mm short) and connector pinout match machine harness.
3.     Ink type approved by ink vendor.
4.     Mechanical mount and nozzle-to-substrate gap match your carriage.
5.     Warranty and RMA terms acceptable.