{"product_id":"abt-compatible-tn850-high-yield-toner-cartridge-replacement-for-brother-tn-880-tn-850-tn-820-dr820-drum-unit-replacement-for-hl-l6200dwt-l6200dw-l5200dw-l5100dn-mfc-l5800dw-l5700dw-l6700dw-l6800dw","title":"ABT Compatible TN850 High Yield Toner Cartridge Replacement for Brother TN-880 TN-850 TN-820 + DR820 Drum Unit: Replacement for HL-L6200DWT L6200DW L5200DW L5100DN MFC-L5800DW L5700DW L6700DW L6800DW","description":"\u003c!-- ============================================================\n     TN850 + DR820 Compatible Toner \u0026 Drum Combo Pack\n     Vendor: Advanced Business Technology (ABT)\n     Paste into: Shopify Admin \u003e Products \u003e Description (HTML mode)\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .tn850dr820-wrap * { box-sizing: border-box; margin: 0; padding: 0; }\n  .tn850dr820-wrap { font-family: inherit; color: #333; max-width: 700px; }\n\n  .tn850dr820-badge-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }\n  .tn850dr820-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: 6px; line-height: 1; }\n  .tn850dr820-badge-green  { background: #e6f4ec; color: #1a7a3e; }\n  .tn850dr820-badge-blue   { background: #e8f1fb; color: #1a56a0; }\n  .tn850dr820-badge-amber  { background: #fef3e2; color: #a05c0a; }\n\n  \/* Combo strip *\/\n  .tn850dr820-combo-strip { border: 2px solid #c8e6c9; border-radius: 10px; padding: 14px 16px; margin-bottom: 18px; background: #f1faf2; display: flex; align-items: flex-start; gap: 14px; }\n  .tn850dr820-combo-icon  { font-size: 28px; flex-shrink: 0; margin-top: 2px; }\n  .tn850dr820-combo-title { font-size: 14px; font-weight: 700; color: #1a1a1a; margin-bottom: 8px; }\n  .tn850dr820-combo-cards { display: flex; flex-wrap: wrap; gap: 10px; }\n  .tn850dr820-item-card   { flex: 1; min-width: 150px; border-radius: 8px; padding: 11px 14px; }\n  .tn850dr820-item-card.toner { background: #1a1a1a; }\n  .tn850dr820-item-card.drum  { background: #1a56a0; }\n  .tn850dr820-item-label  { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; color: rgba(255,255,255,0.7); }\n  .tn850dr820-item-name   { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 2px; }\n  .tn850dr820-item-yield  { font-size: 13px; color: rgba(255,255,255,0.85); }\n\n  .tn850dr820-trust-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 18px; }\n  .tn850dr820-trust-card { background: #f6f6f6; border-radius: 8px; padding: 12px 14px; }\n  .tn850dr820-trust-title { font-size: 13px; font-weight: 600; color: #1a1a1a; margin-bottom: 3px; }\n  .tn850dr820-trust-sub   { font-size: 12px; color: #666; line-height: 1.4; }\n\n  .tn850dr820-iso-strip { border: 2px solid #b3ccee; border-radius: 10px; padding: 14px 16px; margin-bottom: 18px; display: flex; align-items: flex-start; gap: 14px; background: #f0f6ff; }\n  .tn850dr820-iso-icon  { font-size: 28px; flex-shrink: 0; margin-top: 2px; }\n  .tn850dr820-iso-title { font-size: 14px; font-weight: 700; color: #1a1a1a; margin-bottom: 5px; }\n  .tn850dr820-iso-sub   { font-size: 13px; color: #444; line-height: 1.55; margin-bottom: 8px; }\n  .tn850dr820-iso-tags  { display: flex; flex-wrap: wrap; gap: 6px; }\n  .tn850dr820-iso-tag   { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 6px; background: #1a56a0; color: #fff; }\n\n  .tn850dr820-section-title { font-size: 15px; font-weight: 700; color: #1a1a1a; margin-bottom: 10px; padding-bottom: 7px; border-bottom: 1px solid #e0e0e0; }\n\n  .tn850dr820-specs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 18px; }\n  .tn850dr820-spec-item { background: #fff; border: 1px solid #e2e2e2; border-radius: 8px; padding: 11px 13px; }\n  .tn850dr820-spec-key  { font-size: 11px; font-weight: 600; color: #888; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }\n  .tn850dr820-spec-val  { font-size: 14px; font-weight: 600; color: #1a1a1a; }\n  .tn850dr820-spec-val.green { color: #1a7a3e; }\n  .tn850dr820-spec-val.blue  { color: #1a56a0; }\n\n  .tn850dr820-body { font-size: 14px; color: #444; line-height: 1.7; margin-bottom: 18px; }\n  .tn850dr820-body p { margin-bottom: 10px; }\n  .tn850dr820-body p:last-child { margin-bottom: 0; }\n\n  .tn850dr820-feature-list { list-style: none; padding: 0; margin: 0 0 18px; border: 1px solid #e2e2e2; border-radius: 8px; overflow: hidden; }\n  .tn850dr820-feature-list li { font-size: 14px; color: #444; line-height: 1.6; padding: 10px 14px 10px 40px; position: relative; border-bottom: 1px solid #e2e2e2; }\n  .tn850dr820-feature-list li:last-child { border-bottom: none; }\n  .tn850dr820-feature-list li::before { content: \"✓\"; position: absolute; left: 14px; top: 10px; font-size: 14px; font-weight: 700; color: #1a7a3e; }\n  .tn850dr820-feature-list li strong { font-weight: 600; color: #1a1a1a; }\n\n  .tn850dr820-models-intro { font-size: 13px; color: #555; margin-bottom: 10px; line-height: 1.5; }\n  .tn850dr820-models-grid  { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }\n  .tn850dr820-model-tag    { font-size: 12px; color: #1a56a0; background: #e8f1fb; padding: 5px 10px; border-radius: 6px; text-decoration: none; font-weight: 600; }\n\n  .tn850dr820-vendor-strip  { background: #f6f6f6; border: 1px solid #e2e2e2; border-radius: 10px; padding: 13px 16px; display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }\n  .tn850dr820-vendor-icon   { font-size: 22px; flex-shrink: 0; }\n  .tn850dr820-vendor-title  { font-size: 13px; font-weight: 600; color: #1a1a1a; margin-bottom: 2px; }\n  .tn850dr820-vendor-sub    { font-size: 12px; color: #666; }\n\n  .tn850dr820-faq-item { margin-bottom: 13px; }\n  .tn850dr820-faq-q { font-size: 14px; font-weight: 600; color: #1a1a1a; margin-bottom: 4px; }\n  .tn850dr820-faq-a { font-size: 14px; color: #444; line-height: 1.65; }\n\n  .tn850dr820-seo-footer { font-size: 12px; color: #888; line-height: 1.7; padding-top: 12px; border-top: 1px solid #e0e0e0; margin-top: 4px; }\n\n  @media (max-width: 480px) {\n    .tn850dr820-trust-row    { grid-template-columns: 1fr 1fr; }\n    .tn850dr820-specs-grid   { grid-template-columns: 1fr 1fr; }\n    .tn850dr820-iso-strip    { flex-direction: column; gap: 8px; }\n    .tn850dr820-combo-strip  { flex-direction: column; gap: 8px; }\n    .tn850dr820-vendor-strip { flex-direction: column; gap: 6px; }\n    .tn850dr820-item-card    { min-width: 100%; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"tn850dr820-wrap\"\u003e\n\n  \u003c!-- Badges --\u003e\n  \u003cdiv class=\"tn850dr820-badge-row\"\u003e\n    \u003cspan class=\"tn850dr820-badge tn850dr820-badge-green\"\u003e✔ In Stock \u0026amp; Ready to Ship\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-badge tn850dr820-badge-amber\"\u003e🖨️ Toner + Drum Combo\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-badge tn850dr820-badge-blue\"\u003e🏪 US Vendor — ABT\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Combo Pack Visual --\u003e\n  \u003cdiv class=\"tn850dr820-combo-strip\"\u003e\n    \u003cdiv class=\"tn850dr820-combo-icon\"\u003e📦\u003c\/div\u003e\n    \u003cdiv style=\"flex:1\"\u003e\n      \u003cdiv class=\"tn850dr820-combo-title\"\u003eWhat's Included — Toner \u0026amp; Drum Combo Pack\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-combo-cards\"\u003e\n        \u003cdiv class=\"tn850dr820-item-card toner\"\u003e\n          \u003cdiv class=\"tn850dr820-item-label\"\u003eItem 1 — Toner\u003c\/div\u003e\n          \u003cdiv class=\"tn850dr820-item-name\"\u003eBrother TN850\u003c\/div\u003e\n          \u003cdiv class=\"tn850dr820-item-yield\"\u003e~8,000 pages\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"tn850dr820-item-card drum\"\u003e\n          \u003cdiv class=\"tn850dr820-item-label\"\u003eItem 2 — Drum Unit\u003c\/div\u003e\n          \u003cdiv class=\"tn850dr820-item-name\"\u003eBrother DR820\u003c\/div\u003e\n          \u003cdiv class=\"tn850dr820-item-yield\"\u003e~30,000 pages\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Trust Cards --\u003e\n  \u003cdiv class=\"tn850dr820-trust-row\"\u003e\n    \u003cdiv class=\"tn850dr820-trust-card\"\u003e\n      \u003cdiv class=\"tn850dr820-trust-title\"\u003eComplete Replacement Kit\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-trust-sub\"\u003eToner \u0026amp; drum in one order — nothing missing\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-trust-card\"\u003e\n      \u003cdiv class=\"tn850dr820-trust-title\"\u003e8K + 30K Page Coverage\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-trust-sub\"\u003eHigh-yield toner \u0026amp; long-life drum unit\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-trust-card\"\u003e\n      \u003cdiv class=\"tn850dr820-trust-title\"\u003eISO 9001 \u0026amp; 14001 Certified\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-trust-sub\"\u003eWorld-class quality \u0026amp; environmental standards\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-trust-card\"\u003e\n      \u003cdiv class=\"tn850dr820-trust-title\"\u003eLower Cost-Per-Page\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-trust-sub\"\u003eSignificant savings vs OEM replacements\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ISO Strip --\u003e\n  \u003cdiv class=\"tn850dr820-iso-strip\"\u003e\n    \u003cdiv class=\"tn850dr820-iso-icon\"\u003e🏅\u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"tn850dr820-iso-title\"\u003eISO 9001 \u0026amp; ISO 14001 Certified Manufacturing\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-iso-sub\"\u003eBoth the TN850 toner cartridge and DR820 drum unit in this combo are produced in facilities certified to the world's leading quality and environmental management standards — ensuring consistent print quality, reliable drum performance, and responsible production from the first page to the last.\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-iso-tags\"\u003e\n        \u003cspan class=\"tn850dr820-iso-tag\"\u003eISO 9001 — Quality Management\u003c\/span\u003e\n        \u003cspan class=\"tn850dr820-iso-tag\"\u003eISO 14001 — Environmental Management\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Specs --\u003e\n  \u003cdiv class=\"tn850dr820-section-title\"\u003eProduct Specifications\u003c\/div\u003e\n  \u003cdiv class=\"tn850dr820-specs-grid\"\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eToner Part No.\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003eTN850 \/ TN-850\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eAlso Replaces\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003eTN820 \/ TN-820\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eDrum Part No.\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003eDR820 \/ DR-820\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eToner Yield\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val green\"\u003e~8,000 pages\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eDrum Yield\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val blue\"\u003e~30,000 pages\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eColor\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003eBlack\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003ePack Contents\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003e1 Toner + 1 Drum\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eCartridge Type\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003eCompatible (Aftermarket)\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-spec-item\"\u003e\n\u003cdiv class=\"tn850dr820-spec-key\"\u003eCoverage Basis\u003c\/div\u003e\n\u003cdiv class=\"tn850dr820-spec-val\"\u003e5% avg. page\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Description --\u003e\n  \u003cdiv class=\"tn850dr820-section-title\"\u003eWhy Choose This TN850 + DR820 Combo Pack?\u003c\/div\u003e\n  \u003cdiv class=\"tn850dr820-body\"\u003e\n    \u003cp\u003eThis compatible Brother TN850 toner and DR820 drum unit combo gives you everything you need to fully refresh your Brother laser printer in a single order. The TN850 high-yield toner delivers approximately 8,000 pages of sharp, dense black output, while the DR820 drum unit is rated for an impressive 30,000 pages — keeping your printer performing like new for far longer between replacements.\u003c\/p\u003e\n    \u003cp\u003eBuying toner and drum together is the smart move: drums and toners wear at different rates, and having the drum on hand means zero downtime when it's time to swap. Both components are produced in ISO 9001 \u0026amp; ISO 14001 certified facilities, engineered for precise fit and consistent performance across all compatible Brother HL, DCP, and MFC laser printers.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Features --\u003e\n  \u003cdiv class=\"tn850dr820-section-title\"\u003eKey Features \u0026amp; Benefits\u003c\/div\u003e\n  \u003cul class=\"tn850dr820-feature-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComplete Printer Refresh in One Order\u003c\/strong\u003e — TN850 toner (8,000 pages) + DR820 drum unit (30,000 pages) means you're fully stocked and ready for high-volume printing without multiple orders.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Yield Toner — 8,000 Pages\u003c\/strong\u003e — The TN850 delivers sharp, smudge-resistant black output across thousands of documents, reports, and invoices.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLong-Life Drum Unit — 30,000 Pages\u003c\/strong\u003e — The DR820 drum is engineered for extended life, maintaining consistent print quality across multiple toner cartridge cycles.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eISO 9001 \u0026amp; ISO 14001 Certified Production\u003c\/strong\u003e — Both components manufactured under the world's most recognized quality and environmental management standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Drop-In Fit\u003c\/strong\u003e — Direct OEM-equivalent replacements for Brother TN-850 and DR-820; install in seconds with no printer resets or firmware issues.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrinter Warranty Safe\u003c\/strong\u003e — Using compatible cartridges does not void your Brother printer warranty under the Magnuson-Moss Warranty Act.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEco-Friendly Manufacturing\u003c\/strong\u003e — ISO 14001 certified facilities and responsible production practices reduce environmental impact versus OEM single-use components.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- Compatible Models --\u003e\n  \u003cdiv class=\"tn850dr820-section-title\"\u003eCompatible Brother Printer Models\u003c\/div\u003e\n  \u003cp class=\"tn850dr820-models-intro\"\u003eThis TN850 + DR820 combo pack is compatible with the following Brother laser printers:\u003c\/p\u003e\n  \u003cdiv class=\"tn850dr820-models-grid\"\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eDCP-L5500DN\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eDCP-L5600DN\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eDCP-L5650DN\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L5000D\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L5100DN\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L5200DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L5200DWT\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6200DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6200DWT\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6250DN\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6250DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6300DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6300DWT\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6400DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6400DWG\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6400DWT\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eHL-L6400DWX\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L5700DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L5705DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L5750DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L5800DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L5850DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L5900DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6700DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6750DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6800DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6900DW\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6900DWT\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6900DWX\u003c\/span\u003e\n    \u003cspan class=\"tn850dr820-model-tag\"\u003eMFC-L6950DW\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Vendor Strip --\u003e\n  \u003cdiv class=\"tn850dr820-vendor-strip\"\u003e\n    \u003cdiv class=\"tn850dr820-vendor-icon\"\u003e📍\u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"tn850dr820-vendor-title\"\u003eSold \u0026amp; Fulfilled by Advanced Business Technology (ABT)\u003c\/div\u003e\n      \u003cdiv class=\"tn850dr820-vendor-sub\"\u003eUS-based vendor — fast domestic shipping \u0026amp; US customer support\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv class=\"tn850dr820-section-title\"\u003eFrequently Asked Questions\u003c\/div\u003e\n  \u003cdiv class=\"tn850dr820-faq-item\"\u003e\n    \u003cdiv class=\"tn850dr820-faq-q\"\u003eWhat's the difference between a toner cartridge and a drum unit?\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-faq-a\"\u003eThe toner cartridge (TN850) holds the toner powder that creates the image on the page. The drum unit (DR820) is a separate component that transfers that toner onto the paper. On Brother laser printers, these are two distinct replaceable parts — and they wear at different rates. The drum typically lasts through several toner cartridge cycles, which is why the DR820 is rated for 30,000 pages versus the TN850's 8,000 pages.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"tn850dr820-faq-item\"\u003e\n    \u003cdiv class=\"tn850dr820-faq-q\"\u003eHow do I know when to replace the drum vs the toner?\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-faq-a\"\u003eYour Brother printer will display separate low warnings for each component. A \"Toner Low\" or \"Replace Toner\" message means the TN850 needs replacing. A \"Drum End Soon\" or \"Replace Drum\" message means it's time for the DR820. Having both on hand eliminates any wait time when either warning appears.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"tn850dr820-faq-item\"\u003e\n    \u003cdiv class=\"tn850dr820-faq-q\"\u003eWhat do the ISO certifications mean for print quality?\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-faq-a\"\u003eISO 9001 certification means the manufacturing facility operates under a rigorous quality management system — ensuring consistent output, tight tolerances, and reliable page yield batch after batch. ISO 14001 confirms environmentally responsible production practices.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"tn850dr820-faq-item\"\u003e\n    \u003cdiv class=\"tn850dr820-faq-q\"\u003eDoes using compatible toner and drum void my Brother printer warranty?\u003c\/div\u003e\n    \u003cdiv class=\"tn850dr820-faq-a\"\u003eNo. Under US federal law (Magnuson-Moss Warranty Act), manufacturers cannot void your warranty simply because you use compatible aftermarket components.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SEO Footer --\u003e\n  \u003cdiv class=\"tn850dr820-seo-footer\"\u003e\n    \u003cstrong\u003eSearch terms:\u003c\/strong\u003e TN850 DR820 combo pack · Brother TN-850 toner DR-820 drum · TN820 compatible replacement · compatible Brother TN850 toner · compatible Brother DR820 drum unit · Brother HL-L6400DW toner · Brother MFC-L6900DW toner and drum · Brother HL-L5200DW toner · aftermarket Brother TN850 · Brother laser printer toner drum combo · cheap Brother TN850 DR820 · Brother MFC-L5900DW toner\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Advanced Business Technology","offers":[{"title":"Default Title","offer_id":49042938757377,"sku":"ABT-TN850-DR820-COMBO","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/0257\/1777\/files\/b59d5d42.jpg?v=1779664399","url":"https:\/\/shop.advancedbiztech.com\/products\/abt-compatible-tn850-high-yield-toner-cartridge-replacement-for-brother-tn-880-tn-850-tn-820-dr820-drum-unit-replacement-for-hl-l6200dwt-l6200dw-l5200dw-l5100dn-mfc-l5800dw-l5700dw-l6700dw-l6800dw","provider":"Advanced Business Technology","version":"1.0","type":"link"}