Description
Genuine OKI ES6450 Black Toner Cartridge [YA8001-1088G040] is an original OKI high-capacity black toner cartridge designed for the OKI ES6450dn A4 Colour LED Printer. With a rated yield of approximately 7,000 pages, it delivers sharp black text, consistent print quality and dependable performance for everyday business printing.
Manufactured by OKI for the ES6450 printer series, this genuine black toner is ideal for offices, schools and businesses requiring professional-quality documents and reliable printing performance.
- 100% Genuine Original OKI Toner Cartridge
- Designed for OKI ES6450dn
- Original Part Number: YA8001-1088G040
- Colour: Black
- Rated Yield: 7,000 Pages
- Designed for sharp text and professional business documents
- Original manufacturer consumable for consistent printer operation
- Separate imaging drum system
Key Specifications
| Brand | OKI |
| Product Type | Genuine Toner Cartridge |
| Part Number / MPN | YA8001-1088G040 |
| Colour | Black |
| Rated Yield | Approx. 7,000 Pages* |
| Printer Technology | Colour LED Printing |
| Compatible Printer | OKI ES6450dn |
| Condition | Brand New / Genuine |
| Pack Quantity | 1 Black Toner Cartridge |
*Page yield is based on ISO/IEC 19798 testing methodology. Actual yield varies depending on page coverage, print settings, document content and operating conditions.
Compatible OKI Printers
This genuine OKI black toner cartridge is designed for:
Compatibility Note: Please check the complete cartridge part number YA8001-1088G040 before ordering. OKI offers different toner cartridges for its ES, C and other printer series, which are not necessarily interchangeable.
7,000-Page Black Toner Yield
The genuine OKI ES6450 Black Toner Cartridge provides a rated yield of approximately 7,000 A4 pages, helping reduce the frequency of toner replacement in busy offices.
It is suitable for:
- Business correspondence and reports
- Invoices, statements and quotations
- School and educational documents
- Professional presentations and office paperwork
- Everyday black text and graphics
Why Choose Genuine OKI Toner?
Original OKI toner cartridges are designed to operate with the printer's imaging and toner delivery system. Using the correct genuine cartridge helps maintain consistent output quality and dependable printer operation.
- Manufactured to OKI's original product specifications
- Designed for the OKI ES6450dn printer
- Consistent black text and graphics
- Convenient replacement and installation
- Suitable for regular business printing
Matching Genuine OKI ES6450 Toner Cartridges
Complete your OKI ES6450 consumables set with the matching original cartridges:
- Black: YA8001-1088G040 – 7,000 Pages
- Cyan: YA8001-1088G039 – 6,000 Pages
- Magenta: YA8001-1088G038 – 6,000 Pages
- Yellow: YA8001-1088G037 – 6,000 Pages
Related OKI ES6450 Maintenance Consumables
- Genuine OKI Black Imaging Drum – YA8001-1099G016 (50,000 Pages)
- Genuine OKI Transfer Belt – YA8001-1027G014 (60,000 Pages)
- Genuine OKI Fuser Unit – YA8001-1032G014 (60,000 Pages)
- Browse All OKI ES6450 Consumables
Important: The imaging drum, transfer belt and fuser unit are separate consumables and are not included with this toner cartridge.
What's Included?
- 1 × Genuine OKI ES6450 Black Toner Cartridge
- Original OKI Part Number: YA8001-1088G040
Frequently Asked Questions (FAQ)
Is YA8001-1088G040 a genuine OKI toner cartridge?
Yes. This product is an original OKI black toner cartridge designed for the OKI ES6450dn printer.
What is the page yield?
The original rated yield is approximately 7,000 A4 pages under ISO/IEC 19798 testing conditions. Actual yield varies.
Which printer uses this toner?
The cartridge is designed for the OKI ES6450dn A4 colour LED printer.
Does this toner include an imaging drum?
No. The toner cartridge and imaging drum are separate consumables. The corresponding black imaging drum is YA8001-1099G016.
Are the colour toner cartridges also available?
The matching OKI ES6450 colour toner part numbers are YA8001-1088G039 Cyan, YA8001-1088G038 Magenta and YA8001-1088G037 Yellow.
Engineered for high performance and reliability, the Genuine OKI ES6450 Black Toner Cartridge (7k) [YA8001-1088G040] provides a duty cycle of 7,000 pages at 5% coverage, making it the ideal choice for the OKI ES6450DN printer. Quench your printing thirst with this top-of-the-line toner cartridge from OKI.
OEM Code: YA8001-1088G040
Brand: OKI
Duty Cycle: 7,000 Pages at 5% coverage
Includes Of:
1 x Genuine OKI ES6450 Black Toner Cartridge
Suitable For Printers:
OKI ES6450DN
Last Updated: 8 October 2026

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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.

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