Handtop UV Printer Ricoh GEN5 MH5420 Printhead – 500mm Cable | All Handtop HT Series Models

The Ricoh GEN5 MH5420 (N221414L) is the original Ricoh replacement printhead for Handtop UV printers — including the HT1600UV HR4, HT1610UV FR4, HT2500UV HR8, HT2512UV-D FR8, HT3116UV FR8, and HT3200UV HG12. With 1,280 nozzles across 4 rows and 600 dpi native resolution, this industrial-grade printhead delivers the precision and throughput Handtop operators expect for high-volume UV production.

This is the 500mm total length version (400mm head cable) — the exact cable specification used across the current Handtop HT-series UV printer lineup. Every MH5420 we sell at Digiprint USA is 100% genuine original Ricoh, covered by manufacturer warranty.

This print head is also called N221414R.

Why Handtop Operators Choose Digiprint USA

• 100% genuine original Ricoh GEN5 MH5420 / N221414L — covered by manufacturer warranty

• 500mm total length confirmed — 400mm head cable, the correct version for current HT-series UV models

• In stock in Doral, Miami FL — same day shipping before 2PM EST

• Trusted by Latin American Handtop operators using Miami freight forwarders

• Direct technical support — we know the Handtop printer line, not just the printhead

Compatible Handtop UV Printer Models

This Ricoh GEN5 MH5420 500mm cable printhead is the correct replacement for all of the following Handtop UV printers:

Handtop Model	Configuration	Cable Length
Handtop HT1600UV HR4	4-head UV flatbed	500mm ✓
Handtop HT1610UV FR4	4-head UV roll-to-roll	500mm ✓
Handtop HT2500UV HR8	8-head UV flatbed	500mm ✓
Handtop HT2512UV-D FR8	8-head UV hybrid	500mm ✓
Handtop HT3116UV FR8	8-head wide-format UV	500mm ✓
Handtop HT3200UV HG12	12-head high-grade UV	500mm ✓

Running an older Handtop model with a different cable length, or unsure which length your machine requires? Contact our technical team with your printer make, model, and serial number — we'll confirm the correct part before you order.

Technical Specifications

Specification	Detail
Model / Part number	MH5420 (N221414L)
Generation	Ricoh GEN5
Nozzles	1,280 nozzles (4 rows × 320 nozzles)
Native resolution	600 dpi
Drop size	Variable 7 to 35 picoliters (greyscale)
Max frequency	60 kHz
Max colour channels	4 colours
Ink compatibility	UV-curable, solvent
Cable length	400mm head cable / 500mm total length including connectors
Integrated heater	Yes
Condition	100% genuine original Ricoh, manufacturer warranty included

Installing the Ricoh GEN5 in Your Handtop UV Printer

Handtop UV printers across the HT-series share a similar carriage architecture, which is why the 500mm cable variant of the MH5420 fits the full current model range. When replacing the printhead in your Handtop, the most common installation considerations are: confirming the printer's main board firmware supports the Ricoh GEN5 protocol (all current Handtop UV machines do), purging the ink line with compatible UV-curable or solvent ink before installation, and verifying the integrated heater is reaching nominal temperature during the first head warm-up cycle. Improper purging or temperature mismatch is the most common cause of premature head failure on Handtop machines — not the head itself.

Common Handtop Printhead Failure Signs

• Persistent banding or missing nozzle rows that don't recover after a deep clean cycle

• Uneven ink ejection across the 4 colour channels

• Heater fault codes on the Handtop control panel

• Visible damage to the head face during inspection

• Sudden drop in production speed at the same DPI settings that worked previously

If your Handtop is showing any of these signs and a full deep-clean and purge cycle has not resolved the issue, the MH5420 has likely reached its actuation limit and replacement is required. See our printhead troubleshooting guide for diagnostic steps to confirm before replacing.

Ricoh GEN4 vs GEN5 vs GEN6 — Which Do You Need for Your Handtop?

All current Handtop UV printers (HT1600, HT1610, HT2500, HT2512, HT3116, HT3200) ship with Ricoh GEN5 printheads. Older or specialty Handtop machines may use GEN4 or GEN6. Always verify against your printer's service documentation before ordering.

Feature	GEN4 MH2420	GEN5 MH5420	GEN6 MH5320
Nozzles	512	1,280	1,280
Resolution	300 dpi	600 dpi	600 dpi
Drop size	7–35 pl	7–35 pl	5 pl minimum
Max frequency	30 kHz	60 kHz	50 kHz greyscale
Service life	Standard	Standard	2× GEN5
Used in current Handtop HT-series?	No	Yes	Some industrial variants

GEN4, GEN5, and GEN6 are not interchangeable — each requires specific printer board and firmware support. See our Ricoh GEN4 MH2420 and Ricoh GEN6 MH5320 listings if your Handtop uses a different generation.

Printhead Lifespan in Handtop UV Production

The Ricoh GEN5 MH5420 is rated by Ricoh for approximately 100 billion actuations per nozzle. In a typical single-shift Handtop production environment, this translates to well over a year of service life. Continuous multi-shift Handtop operations — common in commercial signage and packaging shops — reach the actuation limit sooner, typically 8–10 months. Maintaining the integrated heater, using only Handtop-approved UV or solvent inks, and following Ricoh's cleaning guidelines all extend service life significantly. See our printhead lifespan guide for replacement cycle data across all Handtop-compatible printhead models.

View our full range of genuine Ricoh industrial printheads including the GEN4 MH2420, GEN6 MH5320, and TH5241 GEN5i for other Handtop and industrial UV machine configurations.

Frequently Asked Questions

Is this the right Ricoh GEN5 printhead for my Handtop HT-series printer?
Yes — the MH5420 500mm cable variant is the correct printhead for all current Handtop UV printers: HT1600UV HR4, HT1610UV FR4, HT2500UV HR8, HT2512UV-D FR8, HT3116UV FR8, and HT3200UV HG12. If you operate an older or specialty Handtop model not listed, contact our team to confirm.

Is MH5420 the same as N221414L?
Yes, this Ricoh GEN5 UV printhead is commonly referenced as MH5420 and N221414L (sometimes written as N221414R).

How many printheads do I need to replace at once on my Handtop?
That depends on your Handtop configuration. The HT1600 and HT1610 use 4 heads, the HT2500/HT2512/HT3116 use 8 heads, and the HT3200 HG12 uses 12 heads. Most Handtop operators replace one head at a time when nozzle failure is isolated to a single colour channel, or replace all heads together at the end of their actuation cycle for consistent print quality. We offer volume pricing for full-set Handtop replacements — contact our team for a quote.

Will the MH5420 fit older Handtop models?
This 500mm cable variant is the current production specification. Older Handtop models from earlier production years may use the 248mm or 650mm cable versions of the MH5420. Always check your printer's service documentation or contact our team with your printer serial number before ordering.

Does the Ricoh GEN5 MH5420 come with a manufacturer warranty?
Yes — every MH5420 we sell is 100% genuine original Ricoh and comes with the manufacturer warranty included. We do not sell refurbished or gray market units.

What's the difference between Ricoh GEN5 and GEN6 for Handtop printers?
The GEN5 MH5420 and GEN6 MH5320 both have 1,280 nozzles at 600 dpi, but the GEN6 has a smaller 5pl minimum drop size and roughly double the service life. They are not interchangeable — your Handtop's main board and firmware must specifically support the generation installed. Current HT-series machines are configured for GEN5; verify before ordering a GEN6.

How long does the Ricoh GEN5 printhead last in a Handtop UV printer?
The MH5420 is rated for approximately 100 billion actuations per nozzle. In single-shift Handtop operation this typically yields over a year of service. Continuous multi-shift production reaches the limit in 8–10 months. Maintaining the heater, using compatible UV or solvent inks, and following Ricoh cleaning protocols all extend service life.

Do you ship Ricoh GEN5 printheads for Handtop printers to Latin America?
Yes — same day shipping from our Doral, Miami FL warehouse. Our Miami location is ideal for Latin American Handtop operators and resellers using freight forwarders in the Doral area. We regularly ship to Mexico, Costa Rica, Venezuela, Ecuador, Argentina, and across the LATAM region.

Tags: Handtop ht2512uv-d fr8