Fix Brother Error Replace Belt Unit: Belt Unit End of Life
warning Severity: warning
If your Brother printer is displaying error Replace Belt Unit, do not worry – this is a known issue with a proven fix. This error typically indicates belt unit end of life that can usually be resolved without a service call. Follow the steps below to clear this error.
What Causes Brother Error Replace Belt Unit?
This error can be triggered by one or more of the following issues:
- Transfer belt unit has reached its rated page count
- Belt surface worn affecting transfer quality
- Belt unit counter has triggered replacement warning
How to Fix Brother Error Replace Belt Unit
Follow these steps in order. After each step, check whether the error has cleared before proceeding to the next one.
- Step 1: Check print quality — if acceptable, continue printing temporarily
- Step 2: Order a replacement belt unit compatible with your model
- Step 3: Replace the belt unit following the instructions in the manual
- Step 4: The belt counter resets automatically after replacement
- Step 5: Dispose of the old belt unit according to local regulations
Affected Brother Printer Models
The following Brother printer models are known to display error Replace Belt Unit:
Related Brother Error Codes
If you are troubleshooting error Replace Belt Unit, these related error codes may also be relevant:
- Replace Drum – Drum Unit End of Life
- Drum Error – Drum Unit Malfunction
- Toner Low – Toner Cartridge Low
- Machine Error 46 – Unable to Print – Waste Toner
- Unable to Clean 46 – Purge Unit Error
Frequently Asked Questions
What is the belt unit on a Brother color laser printer?
The belt unit (also called the transfer belt) transfers toner from the four color drums (CMYK) onto the paper. It is a wear item that needs periodic replacement, typically every 50,000 pages.
Can I reset the belt unit counter?
The counter can be reset on some models through the service menu. However, a worn belt causes color registration problems and poor quality. If the belt is genuinely worn, replacement is recommended.
Error still not resolved?
If the steps above did not fix the error, the issue may require professional service. Contact the manufacturer support line or visit an authorized service center near you.