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Brother FAX 2840 Supplies

That Is My Printer

Toner Cartridges, Maintenance Kits and Parts

Brother FAX 2840
Brother

3 Items

Frequently Asked Questions

The FAX 2840 uses BRT TN420 (BRT TN-420) and BRT TN450 (BRT TN-450) toner cartridges. BRT TN420 yields 1200 pages; BRT TN450 yields 2600 pages.

BRT TN420 (BRT TN-420) prints 1200 pages, BRT TN450 (BRT TN-450) prints 2600 pages. Choose BRT TN450 (BRT TN-450) for high-volume printing (lower cost per page); BRT TN420 (BRT TN-420) costs less upfront for occasional use.

The BRT TN450 cartridge has an approximate yield of 2600 pages.

Yes — the FAX 2840 uses a replaceable imaging drum: BRT DR420 (BRT DR-420).

A "Toner" notice on the FAX 2840 usually relates to its drum unit or toner cartridge, not a hardware fault. Open the front cover, pull out the assembly, and reinsert it firmly to clear contact errors. If the printer reports the drum is spent, swap in BRT DR420 and reset the counter; for toner, use BRT TN450.

Quick Maintenance & How-To Guides

These quick tips apply to all laser printers. While your exact model may look slightly different, the steps are identical.

4 videos
Toner Smudges on prints! Easy fix For Brother Printers!
Maintenance

Inherited from FAX 2000 series

0:20
Toner Not Recognized! Easy Fix For Brother Printers!
Replacement

Inherited from FAX 2000 series

0:16
Printer not connecting to WiFi? Easy Fix For Brother Printers!
Setup

Inherited from FAX 2000 series

0:23
Replace Toner Message Won't Go Away! Easy fix For Brother Printer!
Troubleshooting

Inherited from FAX 2000 series

0:17