{"product_id":"cet-color-ricoh-gen5-mh5420-uv-printhead-500mm","title":"CET Color Q5 Series Ricoh GEN5 MH5420 Printhead – 500mm Cable | Q5-250 \/ Q5-500 \/ Q5-1000","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 13px; line-height: 1.6; color: #333;\"\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003eThe \u003cstrong\u003eRicoh GEN5 MH5420 (N221414L)\u003c\/strong\u003e is the genuine original Ricoh replacement printhead for CET Color Q5-series UV flatbed printers — covering the Q5-250, Q5-250h, Q5-500, Q5-500h, Q5-1000, and Q5-1000h. With 1,280 nozzles across 4 rows and 600 dpi native resolution, this industrial printhead is the production workhorse behind CET's commercial UV print platform, delivering the throughput and image quality that high-volume commercial print shops depend on.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003eThis is the \u003cstrong\u003e500mm total length version (400mm head cable)\u003c\/strong\u003e — the exact cable specification used across the current CET Color Q5 series. Every MH5420 we sell at Digiprint USA is 100% genuine original Ricoh, backed by manufacturer warranty.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eThis print head is also called N221414R.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eWhy CET Color Production Shops Choose Digiprint USA\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• 100% genuine original Ricoh GEN5 MH5420 \/ N221414L — manufacturer warranty included\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• 500mm total length confirmed — 400mm head cable, the correct version for all current CET Q5-series flatbeds\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• In stock in Doral, Miami FL — same day shipping before 2PM EST, minimizing CET downtime\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Volume pricing available for multi-head CET Q5-500 \/ Q5-1000 replacement orders\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Net-30 PO terms available for established commercial print accounts — \u003ca href=\"\/pages\/contact\" style=\"color: #d36b03; font-weight: 600;\"\u003erequest account setup\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003e• Direct technical support from operators who know the CET Q5 platform, not just the printhead\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eCompatible CET Color Q5 Series Printers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003eThis Ricoh GEN5 MH5420 500mm cable printhead is the correct replacement for all of the following CET Color UV flatbed printers:\u003c\/p\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 15px; font-size: 13px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eCET Color Model\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eConfiguration\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eCable Length\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eCET Color Q5-250\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eEntry-level commercial UV flatbed\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e500mm ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eCET Color Q5-250h\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eHigh-speed Q5-250 variant\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e500mm ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eCET Color Q5-500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eMid-range commercial UV flatbed\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e500mm ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eCET Color Q5-500h\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eHigh-speed Q5-500 variant\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e500mm ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eCET Color Q5-1000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eProduction-grade UV flatbed\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e500mm ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eCET Color Q5-1000h\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eHigh-speed Q5-1000 variant\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e500mm ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003eRunning an older CET Color model not listed above, or unsure which cable length your production unit requires? \u003ca href=\"\/pages\/contact\" style=\"color: #d36b03; font-weight: 600;\"\u003eContact our technical team\u003c\/a\u003e with your printer model and serial number — we'll confirm the correct printhead version before you order.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 15px; font-size: 13px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eModel \/ Part number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eMH5420 (N221414L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eGeneration\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eRicoh GEN5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eNozzles\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e1,280 nozzles (4 rows × 320 nozzles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eNative resolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e600 dpi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eDrop size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eVariable 7 to 35 picoliters (greyscale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eMax frequency\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e60 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eMax colour channels\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e4 colours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eInk compatibility\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eUV-curable, solvent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eCable length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e400mm head cable \/ 500mm total length including connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eIntegrated heater\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e100% genuine original Ricoh, manufacturer warranty included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eReplacing the Printhead in Your CET Color Q5 Flatbed\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eThe CET Color Q5 platform was engineered around the Ricoh GEN5 protocol, which is why the 500mm cable variant of the MH5420 is the consistent replacement across the entire Q5-series lineup — from the entry-level Q5-250 through the production-grade Q5-1000h. Replacement on Q5-series machines is straightforward when the standard procedure is followed: power down the unit, allow the carriage to cool, disconnect the existing head from the carriage data ribbon, purge the ink line with compatible UV-curable or solvent ink, install the new MH5420, and run the CET startup nozzle test. The most common preventable failure on CET Q5 machines is installing a new head without fully purging old ink from the line, which leads to clogged channels within 50 hours of operation. Following CET's documented purge protocol is critical.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eMulti-Head Replacement Strategy for High-Volume CET Production\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eCommercial CET Color operators running Q5-500, Q5-500h, Q5-1000, or Q5-1000h configurations face a unique decision when one printhead fails: replace just the failed head, or replace all heads as a set? Single-head replacement keeps capital cost lower per incident but introduces colour-density mismatches across the carriage when the new head's nozzles are firing at full strength alongside heads with months of wear. For production shops printing colour-critical work — backlit displays, packaging, retail signage — full-set replacement at the actuation midpoint (typically 60–70% of expected service life) is the better economic decision once downtime costs are factored in. \u003ca href=\"\/pages\/contact\" style=\"color: #d36b03; font-weight: 600;\"\u003eContact our team\u003c\/a\u003e for volume pricing on 4-head and 8-head MH5420 sets.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eSigns Your CET Q5 Printhead Needs Replacement\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Persistent banding or missing nozzle rows that don't recover after CET's deep clean cycle\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Colour density mismatch between heads in multi-head Q5-500\/Q5-1000 configurations\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Heater fault codes on the CET control interface\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Print speed degradation at the same DPI and pass settings\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e• Visible damage to the head face during scheduled inspection\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003e• Failed nozzle test patterns repeating in the same colour channel across multiple cleaning attempts\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003eIf your CET Q5 is showing any of these signs and standard cleaning has not resolved them, the MH5420 is likely at or past its actuation limit. See our \u003ca href=\"\/pages\/printhead-troubleshooting-center\" style=\"color: #d36b03; font-weight: 600;\"\u003eprinthead troubleshooting guide\u003c\/a\u003e for full diagnostic procedures before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eRicoh GEN4 vs GEN5 vs GEN6 — Which Generation Does Your CET Use?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003eAll current CET Color Q5-series flatbeds (Q5-250, Q5-250h, Q5-500, Q5-500h, Q5-1000, Q5-1000h) are configured for Ricoh GEN5 printheads. Older CET machines from earlier production years may use GEN4. Always verify against your printer's service documentation or contact our team with your machine serial number before ordering.\u003c\/p\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 15px; font-size: 13px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eGEN4 MH2420\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eGEN5 MH5420\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 7px 10px; text-align: left; font-weight: 600;\"\u003eGEN6 MH5320\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eNozzles\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e512\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e1,280\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e1,280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e300 dpi\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e600 dpi\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e600 dpi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eDrop size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e7–35 pl\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e7–35 pl\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e5 pl minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eMax frequency\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e30 kHz\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e60 kHz\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e50 kHz greyscale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eService life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e2× GEN5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eUsed in current CET Color Q5 series?\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eNo (legacy CET only)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003e\u003cstrong\u003eYes — all Q5 models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 7px 10px;\"\u003eSome industrial variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003eGEN4, GEN5, and GEN6 are not interchangeable — each requires specific printer board and firmware support. See our \u003ca href=\"\/products\/ricoh-gen4-7-35pl-printhead-mh2420\" style=\"color: #d36b03; font-weight: 600;\"\u003eRicoh GEN4 MH2420\u003c\/a\u003e and \u003ca href=\"\/products\/ricoh-gen6-printhead-cable-447mm-mh5320\" style=\"color: #d36b03; font-weight: 600;\"\u003eRicoh GEN6 MH5320\u003c\/a\u003e listings if your CET machine uses a different generation.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003ePrinthead Lifespan in CET Q5 Commercial Production\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eThe Ricoh GEN5 MH5420 is rated by Ricoh for approximately \u003cstrong\u003e100 billion actuations per nozzle\u003c\/strong\u003e. For CET Q5 operators, real-world service life depends heavily on production duty cycle. Single-shift commercial print shops running CET Q5-250 or Q5-500 machines typically achieve well over a year of head life. Multi-shift production facilities operating Q5-500h or Q5-1000h units at high throughput reach the actuation limit faster — typically 7–10 months. Strict adherence to CET's documented maintenance schedule, use of CET-approved UV inks, and consistent heater monitoring all extend service life significantly. See our \u003ca href=\"\/pages\/printhead-lifespan\" style=\"color: #d36b03; font-weight: 600;\"\u003eprinthead lifespan guide\u003c\/a\u003e for replacement cycle data across all industrial UV printhead models.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003eView our full range of \u003ca href=\"\/collections\/printheads\" style=\"color: #d36b03; font-weight: 600;\"\u003egenuine Ricoh industrial printheads\u003c\/a\u003e including the \u003ca href=\"\/products\/ricoh-gen4-7-35pl-printhead-mh2420\" style=\"color: #d36b03; font-weight: 600;\"\u003eGEN4 MH2420\u003c\/a\u003e, \u003ca href=\"\/products\/ricoh-gen6-printhead-cable-447mm-mh5320\" style=\"color: #d36b03; font-weight: 600;\"\u003eGEN6 MH5320\u003c\/a\u003e, and \u003ca href=\"\/products\/ricoh-th5241-printhead\" style=\"color: #d36b03; font-weight: 600;\"\u003eTH5241 GEN5i\u003c\/a\u003e for other CET Color and industrial UV configurations.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 20px; margin-bottom: 10px; font-size: 14px;\"\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this the right Ricoh GEN5 printhead for my CET Color Q5 series flatbed?\u003c\/strong\u003e\u003cbr\u003eYes — the MH5420 500mm cable variant is the correct printhead for all current CET Color Q5 UV flatbed printers: Q5-250, Q5-250h, Q5-500, Q5-500h, Q5-1000, and Q5-1000h. If you operate an older CET model not listed above, contact our team with your machine serial number to confirm.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eHow many printheads does my CET Q5 use?\u003c\/strong\u003e\u003cbr\u003eThat depends on your configuration. The Q5-250 and Q5-250h use 4 heads, the Q5-500 and Q5-500h use 8 heads, and the Q5-1000 and Q5-1000h use 12 heads. Commercial operators typically replace heads in matched sets at the actuation midpoint rather than individually — contact us for volume pricing on multi-head replacement orders.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eDo you offer Net-30 PO terms for established CET production shops?\u003c\/strong\u003e\u003cbr\u003eYes — we offer Net-30 PO terms for qualified commercial print accounts. \u003ca href=\"\/pages\/contact\" style=\"color: #d36b03; font-weight: 600;\"\u003eContact our team\u003c\/a\u003e to request account setup. We routinely supply multi-head MH5420 replacement orders to CET Q5-500h and Q5-1000h production facilities.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eIs MH5420 the same as N221414L?\u003c\/strong\u003e\u003cbr\u003eYes, this Ricoh GEN5 UV printhead is commonly referenced as MH5420 and N221414L (sometimes written as N221414R).\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eWhat's the difference between the Q5-500 and Q5-500h, and do they use the same printhead?\u003c\/strong\u003e\u003cbr\u003eThe \"h\" suffix designates the high-speed variant — same printhead (MH5420 500mm), but configured for higher throughput. Both Q5-500 and Q5-500h use the identical Ricoh GEN5 printhead, so this listing is the correct replacement for both. The same applies to Q5-250 \/ Q5-250h and Q5-1000 \/ Q5-1000h.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eDoes the Ricoh GEN5 MH5420 come with a manufacturer warranty?\u003c\/strong\u003e\u003cbr\u003eYes — 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, which is critical for CET commercial production where head consistency directly impacts billable output.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eWhat's the difference between Ricoh GEN5 and GEN6 for CET machines?\u003c\/strong\u003e\u003cbr\u003eThe GEN5 MH5420 and \u003ca href=\"\/products\/ricoh-gen6-printhead-cable-447mm-mh5320\" style=\"color: #d36b03; font-weight: 600;\"\u003eGEN6 MH5320\u003c\/a\u003e 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 CET machine's main board and firmware must specifically support the generation installed. All current CET Q5-series machines are configured for GEN5; verify before ordering a GEN6 head.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eCan I install just one MH5420 in a multi-head Q5-1000 configuration, or should I replace the full set?\u003c\/strong\u003e\u003cbr\u003eSingle-head replacement is mechanically straightforward, but it can introduce subtle colour-density mismatches against neighboring heads with significant wear. For production-critical work, replacing the full set at the actuation midpoint is the better economic decision once downtime and reprint costs are factored in. For non-critical signage work, single-head replacement is generally acceptable.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eDo you ship Ricoh GEN5 printheads for CET Color printers to Latin America?\u003c\/strong\u003e\u003cbr\u003eYes — same day shipping from our Doral, Miami FL warehouse. Our Miami location is ideal for Latin American CET Color operators and resellers using freight forwarders in the Doral area. We regularly ship multi-head orders to commercial print facilities across Mexico, Costa Rica, Colombia, Venezuela, Ecuador, Argentina, and the broader LATAM region.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Ricoh","offers":[{"title":"Default Title","offer_id":46023418052774,"sku":null,"price":1998.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/2871\/4918\/files\/1_7edb0f0d-83e6-4385-b2c0-9cf538abc1ed.jpg?v=1752526142","url":"https:\/\/digiprint-usa.com\/products\/cet-color-ricoh-gen5-mh5420-uv-printhead-500mm","provider":"digiprint-usa.com","version":"1.0","type":"link"}