{"product_id":"hp-645a-black","title":"HP 51A Q7551A Black LaserJet Toner Cartridge Genuine OEM High Yield Sealed","description":"\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] prose-strong:font-medium visRefresh2026Fonts:prose-strong:font-bold [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe HP 645A Black Original LaserJet Toner Cartridge (C9730A) delivers professional-quality black-and-white printing for busy offices that need sharp, consistent results and dependable performance on every job.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline-flex min-w-0\"\u003e\u003cspan class=\"relative -mt-px max-w-full min-w-0 whitespace-nowrap -top-px font-sans text-base text-foreground select-none selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super bg-transparent\"\u003e\u003cspan class=\"text-3xs rounded-badge group min-w-4 max-w-full cursor-pointer text-center align-middle font-mono tabular-nums font-normal transition-colors duration-150 visRefresh2026Fonts:inline-flex visRefresh2026Fonts:items-center py-[0.1875rem] leading-snug px-[0.3rem] [@media(hover:hover)]:hover:bg-subtler group-data-[state=open]\/trigger:bg-subtler border-subtlest ring-subtlest divide-subtlest bg-subtle\"\u003e\u003cspan class=\"inline-block relative -mt-px align-middle visRefresh2026Fonts:!mt-0 visRefresh2026Fonts:![vertical-align:unset] max-w-[25ch] overflow-hidden\"\u003ehp\u003c\/span\u003e\u003cspan class=\"inline-block ml-xs mr-px inline-block -mt-px align-middle visRefresh2026Fonts:!mt-0 visRefresh2026Fonts:![vertical-align:unset]\"\u003e\u003cspan class=\"opacity-50\"\u003e+1\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"key-features\"\u003eKey features\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eGenuine HP 645A black toner cartridge, model C9730A, designed for precise, high-quality laser printing.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStandard yield of up to approximately 13,000 pages at 5% coverage, ideal for high-volume environments that print reports, invoices, and marketing materials regularly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eProduces crisp text and clear graphics, giving your documents a \u003cstrong\u003eprofessional\u003c\/strong\u003e look suitable for client-facing presentations and internal use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEngineered to work seamlessly with compatible HP Color LaserJet printers to help reduce downtime, minimize reprints, and maintain consistent performance from the first page to the last.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOriginal HP cartridge construction supports reliable operation and helps protect your printer investment, with easy, user-friendly installation and replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"compatibility\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis HP 645A Black toner is compatible with a range of HP Color LaserJet printers commonly used in business settings, including: HP Color LaserJet 5500, 5500n, 5500dn, 5500dtn, 5500hdn, 5550, 5550n, 5550dn, 5550dtn, and 5550hdn models (check your printer manual or existing cartridge for “C9730A” to confirm before ordering).\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"ideal-use-cases\"\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOffices and workgroups that print large volumes of black-and-white documents and need consistent, reliable output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBusinesses producing proposals, financial documents, forms, and everyday correspondence that must look clean, sharp, and professional.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUsers who prefer original HP toner for proven compatibility, stable performance, and to help maintain optimal printer health over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"environmental-and-quality-notes\"\u003eEnvironmental and quality notes\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOriginal HP cartridges are manufactured to meet HP’s quality and reliability standards, and many use materials from recycled HP cartridges to help reduce plastic waste, making them a strong choice for offices that care about print quality and sustainability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HP","offers":[{"title":"Default Title","offer_id":43074695495769,"sku":"HP-ACC-645A","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/4901\/5129\/files\/imgi_66_InkGenie-Genuine-HP-645A-Black-C9730A_1024x_38bc693e-3200-4001-a0c1-6fb6d357fe91.png?v=1771346693","url":"https:\/\/outbuyer.com\/products\/hp-645a-black","provider":"Outbuyer","version":"1.0","type":"link"}