{"product_id":"3-piece-041b-printhead-driver-chip-power-stage-repair-combo-for-epson-et-8550-xp-15000-driver-ic-mosfet-pair","title":"3-Piece 041B Printhead Driver Chip Power-Stage Repair Combo for Epson ET-8550 XP-15000 (Driver IC + MOSFET Pair)","description":"\u003cp\u003eWhat's Included\u003cbr\u003e\u003cbr\u003e1 × Epson 041B Printhead Driver Chip (QFN28)\u003cbr\u003e1 × Matched Silver-Cover MOSFET Pair (2 pieces)\u003cbr\u003e(A complete power-stage set for one 041B driver IC)\u003cbr\u003e\u003cbr\u003eThis 3-piece combo provides everything needed to rebuild the power-control stage for a single Epson 041B printhead driver IC-ideal for fixing blank printing, nozzle dropout, and power-stage failures on the ET-8550, XP-15000, and related Epson models.\u003cbr\u003e\u003cbr\u003e1. Epson 041B Printhead Driver Chip - QFN28\u003cbr\u003eA genuine Epson printhead driver IC responsible for controlling nozzle firing, ink timing, and power delivery to the printhead.\u003cbr\u003e\u003cbr\u003eKey Features\u003cbr\u003ePrecise Nozzle Control - Drives the firing pulses that activate each printhead nozzle.\u003cbr\u003eHigh-Performance QFN28 Package - Efficient thermal design with a compact footprint for modern Epson boards.\u003cbr\u003eStable Communication - Ensures clean signal transfer between the mainboard and the printhead.\u003cbr\u003e\u003cbr\u003eDirect Replacement for symptoms such as:\u003cbr\u003eMissing colors\u003cbr\u003ePartial nozzle firing\u003cbr\u003eRandom nozzle dropouts\u003cbr\u003eCompletely blank prints\u003cbr\u003eCompatible Models\u003cbr\u003eCommon in newer Epson printers, including:\u003cbr\u003eET-8550 \/ ET-8500\u003cbr\u003eXP-15000 \/ XP-15010 \/ XP-15080\u003cbr\u003eEach printer uses two 041B chips, usually labeled:\u003cbr\u003eIC800\u003cbr\u003eIC801\u003cbr\u003eThis combo includes one (1) 041B IC.\u003cbr\u003e\u003cbr\u003e2. Matched Silver-Cover MOSFET Pair (2 Pieces)\u003cbr\u003e\u003cbr\u003eThese MOSFETs make up the high-current power stage that feeds the 041B driver chip.\u003cbr\u003eBoth MOSFETs are identical and operate as a matched pair-they must always be replaced together.\u003cbr\u003eIf your printer has two 041B chips, you will need two combo sets.\u003cbr\u003e\u003cbr\u003eWhy These MOSFETs Are Required\u003cbr\u003eWhen the power-stage MOSFETs fail, the printer typically:\u003cbr\u003ePrints completely blank\u003cbr\u003eShows no nozzle lines during testing\u003cbr\u003eSounds normal but outputs no ink\u003cbr\u003eDisplays no error messages\u003cbr\u003eThis happens because the MOSFETs supply the surge power required to fire the printhead.\u003cbr\u003eIf they fail, the 041B receives logic power, but the printhead never activates.\u003cbr\u003e\u003cbr\u003ePerfect For Fixing\u003cbr\u003eChoose this combo if your printer has:\u003cbr\u003eBlank pages with zero ink output\u003cbr\u003ePrinthead firing failures\u003cbr\u003eNozzle test showing 0% lines\u003cbr\u003eBurn marks or damage near IC800 \/ IC801\u003cbr\u003ePrevious MOSFET or 041B driver chip failure\u003cbr\u003eReplacing both the 041B IC and the MOSFET pair at the same time prevents repeat failures and fully restores printhead power.\u003cbr\u003e\u003cbr\u003e📦 Combo Contents\u003cbr\u003e\u003cbr\u003e1 × Epson 041B Driver Chip (QFN28)\u003cbr\u003e2 × Silver-Cover MOSFETs (Matched Pair)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nXy6laC4ezw?si=EB8LbrtgX3vV-LBr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nXy6laC4ezw?enablejsapi=1\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\n\u003c\/iframe\u003e","brand":"BCH","offers":[{"title":"Default Title","offer_id":52794230702387,"sku":"PPO-EP-IC-041B-3PCCombo","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5648\/8499\/files\/147b6786-5573-5e2c-9311-1e0a7dbc22e9.jpg?v=1764764623","url":"https:\/\/bchtechnologies.com\/products\/3-piece-041b-printhead-driver-chip-power-stage-repair-combo-for-epson-et-8550-xp-15000-driver-ic-mosfet-pair","provider":"BCH Technologies","version":"1.0","type":"link"}