Brother TN-645XXLY genuine retail pack, front facing
Genuine Brother TN-645XXLY shown out of its packaging against a plain background
Page yield comparison chart for the Brother TN-645 range, showing the standard, XL and XXL cartridges beside the stack of paper each one prints
Brother TN-645XXLY retail carton photographed beside printed colour documents
Brother TN-645XXLY genuine retail pack, front facing
Genuine Brother TN-645XXLY shown out of its packaging against a plain background
Page yield comparison chart for the Brother TN-645 range, showing the standard, XL and XXL cartridges beside the stack of paper each one prints
Brother TN-645XXLY retail carton photographed beside printed colour documents
Brother TN-645XXLY genuine retail pack, front facing
Genuine Brother TN-645XXLY shown out of its packaging against a plain background
Page yield comparison chart for the Brother TN-645 range, showing the standard, XL and XXL cartridges beside the stack of paper each one prints
Brother TN-645XXLY retail carton photographed beside printed colour documents
Brother

Brother TN645XXLY Super High Yield Toner Cartridge 6500 Pages Yellow

Regular price
$383.57
Sale price
$383.57
Regular price
RRP
Or 4 payments of $95.89 with
Add items to a quote for bulk pricing, approvals, or purchase orders.

SKU: DSTN-645XXLY

The Longest Run Between Toner Changes On The L8000 Series

The genuine Brother TN645XXLY prints up to 6,500 pages, the highest yellow yield Brother offers for the HL-L8430CDW and MFC-L8900 series, so a hard-working colour laser goes far longer between swaps.

This is Brother's own yellow toner for the TN-645 platform, declared under ISO/IEC 19798 so the page yield can be compared directly against any alternative on a like-for-like basis. Each colour sits in its own cartridge, so you replace only the one that has run out and nothing usable gets discarded. The TN-645 range runs from standard (TN-645, up to 3,000 pages black) through high yield (TN-645XL, up to 5,500 pages black) to super high yield (TN-645XXL, up to 7,500 pages black), which lets you match cartridge size to how much the machine actually prints.

Brother formulates and mills its toner for its own imaging system, so density holds from the first page to the last and fine text stays sharp instead of filling in. Genuine cartridges also keep the printer's toner-level reporting accurate, which is what lets an office order a replacement before it runs dry rather than after. Using original Brother supplies protects the machine's warranty position.

The TN-645 cartridges pair with the DR-645CL drum unit and the BU-635CL belt unit, which are replaced on their own much longer service intervals. Empty cartridges go back through the Brother recycling program run with Planet Ark.

Suits these Brother printers

  • HL-L8430CDW
  • MFC-L8930CDW
  • MFC-L8970CDW
  • Up to 6,500 pages of yellow print, declared under ISO/IEC 19798
  • Genuine Brother super high-yield toner engineered for the TN-645 imaging system
  • Individual cartridge, so only the colour that runs out is replaced
  • Highest yield tier in the TN-645 range, for the lowest cost per page
  • Suits the HL-L8430CDW and MFC-L8730CDW / L8930CDW / L8970CDW colour laser range
  • Works alongside the DR-645CL drum unit and BU-635CL belt unit
  • Busy workgroup offices running a colour laser as the main document printer
  • Small business administration producing invoices, quotes, reports and proposals in colour
  • Schools and campus offices printing newsletters, notices and classroom material
  • Real estate, marketing and design teams printing colour brochures and listings in house
  • Accounting and legal practices needing consistent colour on client-facing documents

Shipping

Shipping is kept simple with flat rates for selected areas and free shipping where applicable. Large, bulky, rural or out-of-area orders may require additional freight, and our team will contact you if this applies. For a more specific estimate, simply add this product to a quote or visit our shipping page.

Delivery Times

Melbourne, Sydney, Brisbane, Adelaide — 1 to 3 business days
Perth — 1 to 5 business days
Regional & Outer Areas — 3 to 7 business days

Returns

If you have questions about returns, please contact us or visit our returns page for full details.

Specifications

Brand: Brother

Model: TN645XXLY

Product Type: Super High Yield Toner Cartridge

Colour: Yellow

Page Yield: Up to 6,500 pages

Yield Standard: ISO/IEC 19798

Cartridge Type: Individual toner cartridge

Matching Drum Unit: DR-645CL

Matching Belt Unit: BU-635CL

Compatible Printers: HL-L8430CDW, MFC-L8930CDW, MFC-L8970CDW

SKU: DSTN-645XXLY

MPN: TN-645XXLY

EAN: 4977766843782

Pack Size: 1

Unit: Each

FAQs

It suits the Brother HL-L8430CDW, MFC-L8930CDW and MFC-L8970CDW. Check the model badge on the front of the machine before ordering.
Same toner and the same printers, different capacity. Black runs up to 3,000 pages standard, up to 5,500 pages XL and up to 7,500 pages XXL. Colours run up to 1,800 pages standard and up to 6,500 pages XXL. The higher tiers cost less per page, so they suit anyone printing regularly.
The 6,500 page figure is declared under ISO/IEC 19798, a standard test at roughly 5 percent coverage per colour. Dense charts, photos and solid colour blocks use more toner, so real world yield runs lower. Everyday business documents track close to the declared number.
No. The DR-645CL drum unit and BU-635CL belt unit are separate parts on much longer service intervals - roughly 30,000 and 50,000 pages respectively at one page per job. The printer will tell you when each is due.
This is genuine Brother stock supplied through authorised Australian distribution, not a compatible or remanufactured cartridge. Genuine toner is formulated for the Brother imaging system, which is what keeps density consistent and toner-level reporting accurate.

Shipping & Delivery

Delivery time depends on your location, the size of your order, and the shipping option selected at checkout. For in-stock items, standard metro delivery in QLD, NSW and VIC is usually 1 to 7 business days. South Australia, Tasmania, Western Australia and the Northern Territory are generally 3 to 12 business days. Express delivery for eligible parcels under 3kg is usually 1 to 4 business days in QLD, NSW, ACT and VIC. Delivery estimates apply to in-stock items only and may vary due to carrier conditions or delays.

If you need to make a change to your order, please contact our team as soon as possible. Once an order has been processed or dispatched, changes may no longer be possible. You can contact us through our Contact Us page for assistance.

Mega Office Supplies ships orders Australia wide and occasionally internationally. The best avenue would be to contact us so we can customise a specific quote for you. Please note that associated international duties, taxes and levies will be the responsibility of the customer.

Returns, Refunds & Replacements

Mega Office Supplies accepts change-of-mind returns for unopened and unused products within 14 days from the invoice date, provided the item is returned in its original packaging and in resalable condition. Original shipping costs are not refundable, return shipping is the customer’s responsibility, and a restocking fee may apply depending on the product type and supplier. Some items, including electronics, assembled or installed furniture, food, beverages, medicines, custom-made products, and certain bulk or special-order items, are not eligible for return unless required under Australian Consumer Law.

If your order arrives faulty, damaged, or incorrect, please contact Mega Office Supplies as soon as possible. Where required under Australian Consumer Law, a repair, replacement, or refund will be offered. In these cases, Mega Office Supplies will cover reasonable return shipping costs, and photographic evidence may be requested to help process the claim. Items should be reported within a reasonable timeframe after delivery.

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