{"product_id":"brother-tn645bk-toner-1","title":"Brother TN645BK Toner","description":"\u003cdiv class=\"kw-advanced-description\" style=\"font-family:'Helvetica Neue',Arial,sans-serif;color:#333;line-height:1.7;max-width:860px;margin:0 auto;\"\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv data-block=\"features\" data-scroll-amount=\"100\" data-scroll-top=\"true\" data-trigger-css=\"d-xl-none\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3\u003eHigh-Yield Black Toner for Demanding Workloads\u003c\/h3\u003e\n\u003cp\u003eThe Brother TN645BK is a high-capacity black toner catridge engineered for users who require consistent, high-volume printing performance. With a standard yield of up to approximately 3,000 pages (based on 5% coverage), it is well-suited for everyday document printing such as reports, invoices, and professional correspondence. This balance of output and efficiency makes it an ideal choice for moderate print volumes. \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003eSharp, Professional Monochrome Output\u003c\/h3\u003e\n\u003cp\u003eBuilt with precision toner formulation, the TN645BK ensures crisp black text and sharp image definition across every page. Whether you're printing reports, contracts, or presentations, the toner maintains consistent density and clarity from the first page to the last. Brother's toner technology is optimised to deliver professional-grade results, making it suitable for both internal documentation and client-facing materials.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003eOptimised for Seamless Printer Compatibility\u003c\/h3\u003e\n\u003cp\u003eAs a genuine Brother consumable, the TN645BK is specifically engineered to work flawlessly with compatible Brother colour laser printers,  including models such as MFC-L8730CDW, MFC-L8930CDW, MFC-L8970CDW and HL-L8430CDW printers. This ensures smooth installation, accurate toner detection, and reliable communication with the printer system. Using an original cartridge minimises the risk of errors, leakage, or performance issues often associated with third-party alternatives.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003eConsistent Performance with ISO-Standard Yield Measurement\u003c\/h3\u003e\n\u003cp\u003eThe TN645BK follows internationally recognised ISO\/IEC 19798 yield standards, ensuring that its page output is measured under controlled and consistent conditions. This allows users to accurately estimate printing capacity and manage operational costs effectively. High-yield cartridges like this are particularly valuable for organisations aiming to optimise cost per page without compromising print quality.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e \u003c\/div\u003e\n\u003cbr\u003e \u003cdiv data-block-id=\"29722\"\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003ca href=\"csearch?qr=banner_product_page\"\u003e \u003cpicture\u003e  \u003c\/picture\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block-id=\"75525\"\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3\u003eToner Cartridge Yields\u003c\/h3\u003e\n\u003cp\u003eToner cartridge yields are provided as approximate values based on ISO\/IEC standard testing methods.\u003c\/p\u003e\n\u003cp\u003e5% coverage is a measure that most printer manufacturers use to calculate the number of pages that can be printed with one cartridge. It means that 5% of the whole page is covered in ink or toner. When doing the calculation, printer manufacturers assume basic type with no bold characters, no graphics, and no pictures.\u003c\/p\u003e\n\u003cp\u003eStandard Yield: The ink or toner cartridge prints a standard number of pages at 5% coverage.\u003cbr\u003eHigh Yield: A high-yield cartridge will print more pages than a standard yield cartridge. Although the initial outlay is higher, the cost per page is lower.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv data-block=\"specifications\" data-scroll-amount=\"100\" data-scroll-top=\"true\" data-trigger-css=\"d-xl-none\"\u003e\n\u003cdiv\u003e\n\u003ch3 style=\"font-size:16px;font-weight:700;margin-top:24px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:14px;margin-top:8px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eToner Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eBrother\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eTN645BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eCartridge Colour Category\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eMonochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003ePrint Color\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003ePage Yield\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eUp to 3,000 pages (5% coverage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003ePage Yield Standard\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eISO\/IEC 19798 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003ePrint Technology\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eLaser printing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003ePrint Quality\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eHigh-resolution, sharp text and graphics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eCompatible Models\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eBrother MFC-L8730CDW, MFC-L8930CDW, MFC-L8970CDW and HL-L8430CDW printers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eOffice documents, reports, professional printing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Brother","offers":[{"title":"Default Title","offer_id":67120321691693,"sku":"TN645BK","price":132.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/5088\/2861\/files\/LASBRT06451.jpg?v=1785005396","url":"https:\/\/kwtech.co.nz\/products\/brother-tn645bk-toner-1","provider":"KW Tech","version":"1.0","type":"link"}