Why this answer matters
Toner and drum are separate consumables on this printer family. Replacing the wrong part can waste money and will not resolve the original print-quality or status problem.
Requirements
What has to be true
- Match the printer's exact regional model before ordering because consumable names can vary by market.
- TN830 is Brother's listed standard-yield option on the U.S. support page.
- TN830XL is Brother's listed high-yield option on the U.S. support page.
Verify it yourself
Use this test sequence
Change one variable at a time so you know which requirement made the difference.
- 1
Read the exact printer model on the machine or its settings page.
- 2
Check Brother's regional consumables page for that exact model before purchase.
- 3
If the problem is streaking, faint output or repeating marks, print DeviceOK's grayscale/line patterns before replacing consumables so you can describe the defect accurately.
Limits
What this answer does not prove
- Declared page yield is a standardized estimate; real yield varies with page coverage and printing conditions.
- A toner warning does not automatically mean the drum unit needs replacement.
Relevant DeviceOK checks