OKI B721dn Toner Cartridges

Your OKI B721dn uses the 45488903 Black toner cartridge along with the 45435104 fuser unit. Designed for high-volume monochrome office environments, this heavy-duty printer relies on high-capacity 45488903 toner to manage extensive document production with minimal downtime. Our 4.8 Google rating proves it: we consistently supply premium cartridges backed by rock-solid reliability.

Oki B721dn
OKI B721 / B731 / MB760 / MB770 Black Genuine Toner Cartridge (45488903)
Standard Yield - 25,000 pages
In Stock
$1,291.62
Oki 45435104 Genuine Fuser Unit
In Stock
$1,194.02

Expected Page Output and Replacement Cycles

High-volume office printing requires consistent page output during heavy print runs. The high-capacity 45488903 Black toner cartridge is evaluated using ISO/IEC 19752 testing standards for monochrome laser printing, ensuring reliable page coverage for business reports and high-volume document workflows.

Cartridge NumberTypeColourPage YieldCost Per Page
45488903StandardBlack25,000$0.052

Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.

Fuser Units and Extended Components

Beyond standard toner replacements, the OKI B721dn utilizes a long-life 45435104 fuser unit rated for up to 200,000 pages. Experience Tip: The 45435104 fuser unit is a separate long-life component that outlasts multiple 45488903 toner replacements before requiring renewal.

Ordering OKI Toner and Delivery Options

For busy office environments with high monthly print volumes, stocking spare 45488903 Black toner cartridges ensures zero downtime when toner depletes during critical tasks. All purchases are protected by our returns policy for peace of mind. Orders are dispatched quickly from warehouses in Perth, Brisbane, Sydney, Melbourne and Adelaide. Free delivery applies on all orders over $99. Explore our complete selection of OKI toner cartridges for reliable business printing.

Key Advice for Managing Toner Supplies

Always check the expected replacement schedule of your 45435104 fuser unit when reordering 45488903 toner cartridges, as keeping both key consumables on hand prevents unscheduled work halts in high-volume office settings.

Frequently Asked Questions

How does the 45488903 toner handle high-density text and barcode printing?

The genuine 45488903 Black toner cartridge produces precise, crisp monochrome prints with sharp line definition, making it ideal for detailed business documentation, invoices, and high-density barcodes without smudging or fading.

Will the printer stop printing immediately when the fuser unit reaches 200,000 pages?

The OKI B721dn tracks the usage lifecycle of the 45435104 fuser unit independently from the toner cartridge and provides advance notice before the unit reaches the end of its 200,000-page operational life, allowing you to source a replacement before print quality degrades.

How many 45488903 toner cartridges will I typically use before replacing the 45435104 fuser unit?

Based on standard yields, one 45435104 fuser unit (rated at 200,000 pages) lasts through approximately eight 45488903 high-capacity toner replacements (rated at 25,000 pages each) under standard 5% coverage conditions.

Save Up to 70% with Premium Compatibles

Reduce your cost per page immediately using our premium compatible cartridges, each backed by an unconditional money-back guarantee.

Rapid Dispatch from 5 Australian Hubs

Orders ship directly from our localised warehouses in Sydney, Melbourne, Brisbane, Adelaide, and Perth for minimal downtime.

90-Day Risk-Free Returns

Shop with confidence under Australian Consumer Law with our streamlined, fuss-free 90 days return policy for all shelf-stored consumables.

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