Description

Brother TN-251BK Black Toner Cartridge (2,500 Pages)
The Genuine Brother TN-251BK Black Toner Cartridge is an original Brother standard-yield black toner cartridge designed to deliver crisp text, sharp graphics and reliable printing performance for compatible Brother colour laser printers and multifunction devices.
With an approximate yield of 2,500 pages (ISO/IEC 19798), the TN-251BK is ideal for home offices, small businesses and workgroups requiring professional-quality monochrome printing with dependable performance.
Brother Genuine toner cartridges are engineered specifically for Brother printers to provide outstanding print quality, consistent toner density and reliable printer operation while helping maximise the life of your printer.
Important: This listing includes one Genuine Brother TN-251BK Black Toner Cartridge only. Drum unit and colour toner cartridges are sold separately.
Key Features
- ✔ Genuine Brother Original Toner Cartridge
- ✔ Brother Part Number: TN-251BK
- ✔ Standard Yield Black Toner
- ✔ Approximate Yield: Up to 2,500 Pages*
- ✔ Crisp Black Text and Sharp Graphics
- ✔ Reliable OEM Performance
- ✔ Easy Installation
- ✔ Designed Specifically for Brother Colour Laser Printers
- ✔ Brand New & Factory Sealed
Compatible Brother Printers
- Brother HL-L3210CW
- Brother HL-L3230CDW
- Brother HL-L3270CDW
- Brother DCP-L3510CDW
- Brother DCP-L3551CDW
- Brother MFC-L3735CDN
- Brother MFC-L3750CDW
- Brother MFC-L3770CDW
Please verify your printer model and cartridge number before ordering.
Product Specifications
| Manufacturer | Brother |
| Part Number | TN-251BK |
| Product Type | Genuine Toner Cartridge |
| Colour | Black |
| Yield | Up to 2,500 Pages* |
| Yield Standard | ISO/IEC 19798 |
| Print Technology | Colour Laser |
| Condition | Brand New & Factory Sealed |
| Brand | Genuine Brother |
*Declared page yield is based on ISO/IEC 19798 testing. Actual yield varies depending on page coverage, print settings, document type and operating conditions.
Superior Brother Print Quality
Brother Genuine toner is precisely formulated to produce deep black text, clean lines and consistent print density from the first page to the last. It is ideal for business documents, invoices, reports, school assignments and everyday office printing.
Designed for Reliability
Using genuine Brother toner helps reduce the risk of toner leakage, print defects and printer errors while maintaining optimum print quality and protecting your investment in your Brother printer.
Standard Yield vs High Yield
| Brother TN-251BK | Standard Yield – Up to 2,500 Pages |
| Brother TN-255BK | High Yield – Up to 3,000 Pages |
If you print regularly, consider upgrading to the Genuine Brother TN-255BK High Yield cartridge for fewer cartridge changes and a lower cost per page.
Related Genuine Brother Consumables
- Brother TN-251C Cyan Toner Cartridge
- Brother TN-251M Magenta Toner Cartridge
- Brother TN-251Y Yellow Toner Cartridge
- Brother TN-255BK High Yield Black Toner Cartridge
- Brother TN-255C High Yield Cyan Toner Cartridge
- Brother TN-255M High Yield Magenta Toner Cartridge
- Brother TN-255Y High Yield Yellow Toner Cartridge
- Brother DR-253CL Genuine Drum Unit
Package Contents
- 1 × Genuine Brother TN-251BK Black Toner Cartridge
Why Buy Genuine Brother Toner?
- ✔ Outstanding print quality
- ✔ Reliable OEM performance
- ✔ Accurate page yield
- ✔ Consistent toner density
- ✔ Easy installation
- ✔ Protects your Brother printer
Why Buy From Us?
- ✔ Genuine Brother Australian Stock
- ✔ Brand New Factory Sealed
- ✔ Fast Australia-Wide Shipping
- ✔ Secure Packaging
- ✔ Printer Consumable Specialists
- ✔ Friendly Local Customer Support
Frequently Asked Questions (FAQ)
Is this a genuine Brother toner cartridge?
Yes. This is a genuine Brother TN-251BK original toner cartridge.
How many pages does it print?
The TN-251BK has an approximate yield of up to 2,500 pages based on ISO/IEC 19798 testing.
Which printers is it compatible with?
It is compatible with selected Brother HL-L, DCP-L and MFC-L colour laser printers including the HL-L3230CDW, DCP-L3551CDW and MFC-L3770CDW.
Does this cartridge include a drum unit?
No. The drum unit is a separate component. Compatible printers use the Brother DR-253CL drum unit.
What is the difference between TN-251BK and TN-255BK?
The TN-251BK is the standard-yield cartridge (2,500 pages), while the TN-255BK is the high-yield version (3,000 pages) offering a lower running cost per page.
Can I replace the toner myself?
Yes. Brother toner cartridges are user-replaceable and can normally be installed in just a few minutes without special tools.
Professionally-developed and tested for optimal performance, the Brother TN-251BK Black Toner Cartridge delivers high-quality prints with a duty cycle of approximately 2,500 pages at 5% coverage, making it a reliable and cost-effective choice for your Brother printer. Compatible with various Brother models including DCP9015CDW, HL3150CDN, HL3170CDW, MFC9140CDN, MFC9330CDW, MFC9335CDW, and MFC9340CDW, this genuine cartridge ensures consistent and precise results every time.
OEM Code: TN251BK
Brand: Brother
Duty Cycle: Approx. 2,500 pages at 5% coverage
Includes Of:
1 x Genuine Brother TN-251BK Black Toner Cartridge
1 x Brother TN-251BK Black Toner Cartridge can be used for:
- Brother DCP9015CDW
- Brother HL3150CDN
- Brother HL3170CDW
- Brother MFC9140CDN
- Brother MFC9330CDW
- Brother MFC9335CDW
- Brother MFC9340CDW

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Refund Policy
The OZ Toner Return Policy applies to all purchases made on this website.
We recommend you read our Returns Policy carefully prior to placing an order and retain a copy of these terms and your order so you are familiar with our policy on refunds, returns and exchanges and your rights under the Australian Consumer Law.
We recommend you immediately examine goods delivered to you to ensure that there are no visible signs of damage or fault and that the goods received match the order you placed. Our exchange/return window is within 30 days of receiving your order. All incorrectly ordered or unwanted returns will incur a minimum 20% restocking fee.
Our Return Address
52A/5 Gladstone Rd, Castle Hill, NSW 2154
Exchange/Return (Consumables)
OZ Toner allows exchange/return within 30 days of receiving your order. This applies to consumable products purchased from us: inks, toners, printing and fax supplies and paper. Please scroll down to read our policy on exchange/return for scanners and printers.
If any consumable goods purchased from OZ Toner are damaged, lost in transit, incorrect or faulty, please contact us at support@oztoner.com with this information:
- Your order number
- Detailed description of the reason for return/exchange request
- Photo proof (if applicable).
For exchanges, the product/s must be in the original (new/unused) condition that you received it, in its original packaging. The customer is responsible for the postage fee to send the product/s back to us. OZ Toner will pay the postage to send the new product/s to the customer. All product/s sent back to us must use tracked post, we are not responsible for product/s lost in transit.
Exchange/Return (Hardware)
OZ Toner allows exchange/return within 30 days of receiving your order. This applies to hardware products purchased from us: scanners and printers.
If any hardware goods purchased from OZ Toner are damaged, lost in transit, incorrect or faulty, please contact us at support@oztoner.com with this information:
- Your order number
- Detailed description of the reason for return/exchange request
- Photo proof (if applicable).
Please ensure to contact us via email at support@oztoner.com before returning any items to obtain a Return Authorization Number. Return Authorizations are only valid for 14 days.
It is your obligation to pack returned products satisfactorily to prevent any damage to the items or boxes. You have a legal obligation to take reasonable care of the product/s while they are in your possession until they reach our warehouse.
When returning your purchase, we ask that you provide a Proof of Purchase (Order Confirmation Email) and where possible the product/s in original unopened packaging.
Once received back, we will issue a replacement or full/partial refund depending on actual case.
Change of Mind Returns
Please choose carefully as we do not provide a refund if you have simply changed your mind or made a wrong selection.
If you wish to exchange product/s which you have purchased in error, we will happily exchange provided that:
- You return the product/s within 30 days of purchase.
- You provide Proof of purchase (Your Order Confirmation Email)
- Product/s are unopened, unused and in its original packaging.
- A minimum of 20% restocking fee applies.
- You must bear the risk of return and is responsible for the costs of return postage.
- You must confirm the product/s are received and notify us before returning the product/s, the product/s being returned must satisfy all the return requirement stated above.
- The initial shipping fee charged, or any outbound postage incurred to ship to the customer will not be refunded or credited.
We reserve the right not to offer an exchange if the above requirements are not met.
Return shipping and costs are the responsibility of the customer. We recommend customers to send the item back with a tracked service. For high value products, the customer is also advised to use an insured shipping method.
Faulty or Damaged items
We provide refund or replacement on defective and damaged products.
You MUST contact us within 30 days of product/s being received and believed to be faulty. We will provide the contact information of manufacturer. Customer MUST contact manufacturer to request return authorization letter / DOA letter. Once we received the RA letter or DOA letter from the customer, we will initiate the return process and send customer our return instruction. When the goods are returned to us, we will offer either refund or replacement for the customer.
Items with Manufacturer Warranty:
Buyers must contact manufacturer of the item for all the warranty service within the warranty period. We will provide contact details of the manufacturer to the buyer. We have no other responsibility (including DOA) for items covered with manufacturer warranty.
Items with Onsite Manufacturer Warranty:
Buyers must contact manufacturer of the item for all the on-site warranty service within the warranty period. We will provide contact details of the manufacturer to the buyer. We have no other responsibility (including DOA) for items covered with manufacturer warranty.
Items with Return to Base Warranty:
Buyers are responsible to send back the faulty item to us. Items with valid warranty within the warranty period will be replaced with fully functional unit after checking. Please allow up to 2 weeks for replacement. We have no guarantee on product compatibility with buyers own equipment unless specified on the item listing.
Any other issues and queries, customers are welcome to send us message and email to discuss further.
Refund Conditions
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Refunds are only issued under certain circumstances, such as:
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DOA products where no exchange/replacement is possible
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Incorrect supply where the proper model cannot be provided
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Approved cases where neither replacement nor upsell option is available
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All refunds must be pre-approved by OzToner.au management before processing.
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Refunds are made via the original payment method and typically processed within 7 business days after approval.
Delivery Charges
Any product/s replaced under the Returns Policy due to being damaged, faulty or incorrect will be delivered to you free of charge.
Any returns due to you changing your mind about your purchase will incur a re-delivery fee.
Consumer Guarantees
Under the Australian Consumer Law, you have Consumer Guarantees for Goods and Services You purchase. Our product/s come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the product/s repaired or replaced if the product/s fail to be of acceptable quality and the failure does not amount to a major failure.
Where you believe an item is faulty, you must contact manufacturer to for it to be assessed within a reasonable period of time, and you must request return authorization letter from the manufacturer if the item is confirmed faulty. If there is a major failure with the item, and you have forwarded the return authorization letter granted by manufacturer to us, you may choose a refund or exchange. If the failure is minor, manufacturer will honor the warranty and repair the item for you within a reasonable time.
Where an item is damaged through misuse or abnormal use, OZ Toner cannot provide a refund, exchange or repair, whether the fault is identified by OZ Toner, the manufacturer or their service agent.
OZ Toner will require satisfactory proof of purchase before providing a remedy under the Australian Consumer Law.
For further information about the Australian Consumer Law and Consumer Guarantees, visit www.consumerlaw.gov.au.


