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Brother MFC L3780DW Supplies
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Toner Cartridges, Maintenance Kits and Parts
One Item
Brother TN229XXLM (TN229XXL)
Magenta Genuine Toner Cartridge Extra High Yield, 4,000 pages
$164
Free shipping,
In Stock
Frequently Asked Questions
The MFC L3780DW uses a single toner cartridge, BRT TN229XXLM (BRT TN229XXL). BRT TN229XXLM yields 4000 pages.
Approximate color cartridge yields: BRT TN229XXLM (BRT TN229XXL, ~4000 pages).
When the MFC L3780DW reports "Supply Problem", it usually just can't communicate with one cartridge's chip. Give the printer a full power-cycle, take out and firmly reinsert the flagged cartridge, and lightly buff its metal contacts with a dry, lint-free cloth. If the message stays, install a new cartridge in the reported colour.