Brother BU300CL Belt Unit
The Brother BU300CL Belt Unit is a genuine replacement component designed to maintain precise toner transfer, smooth colour reproduction and long-term reliability in your Brother colour laser printer. The belt unit’s role is to receive toner from the drum units and transfer it onto the page, ensuring accurate colour alignment and clean, consistent print output.
As an original Brother part, the BU-300CL is engineered for perfect compatibility with your device. Over time, belt units naturally wear, which can lead to colour shifting, streaking or blotchy output. Replacing the belt unit at the recommended interval restores optimal print quality and prevents transfer-related issues.
Compatible Brother Printers:
DCP-9055CDN
HL-4150CDN, HL-4570CDN
MFC-9460CDN, MFC-9970CDW
Key Features
• Genuine Brother belt unit for precise, reliable colour transfer
• Helps maintain consistent, accurate print output
• Prevents colour misalignment, streaking and transfer defects
• Installs easily with no tools required
• Page life of up to 50,000 pages
Delivery Information
We ship from warehouses located in Adelaide, Melbourne, Sydney, Brisbane and Perth. Orders are dispatched quickly from the nearest warehouse for fast delivery across Australia.
Is this a genuine Brother BU300CL belt unit?
Which printers is it compatible with?
HL-4150CDN, HL-4570CDN;
MFC-9460CDN, MFC-9970CDW.
What is the page life?
What does a belt unit do in a laser printer?
As the belt wears, print quality issues such as streaks, blotches or colour shift may occur. Replacing the belt unit restores consistent, professional-quality printing.
How is a belt unit different from toner and drum cartridges?
• Drum units transfer that toner to the belt using static charge.
• The belt unit transfers the combined toner colours onto the paper.
Each component has a different role and lifespan. All three are required for clean, accurate and vibrant print results.




















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