Fix Brother Error Machine Error 46: Unable to Print – Waste Toner
critical Severity: critical
If your Brother printer is displaying error Machine Error 46, do not worry – this is a known issue with a proven fix. This error typically indicates unable to print – waste toner that can usually be resolved without a service call. Follow the steps below to clear this error.
What Causes Brother Error Machine Error 46?
This error can be triggered by one or more of the following issues:
- Waste toner box is full
- Waste toner sensor malfunction
- Drum unit waste toner section full
How to Fix Brother Error Machine Error 46
Follow these steps in order. After each step, check whether the error has cleared before proceeding to the next one.
- Step 1: Open the front cover
- Step 2: Remove the drum unit and toner cartridge assembly
- Step 3: Check the waste toner box or section of the drum unit
- Step 4: If the drum unit has a built-in waste toner reservoir, replace the drum unit
- Step 5: Clean any spilled toner inside the printer with a dry cloth
- Step 6: Reinstall components and close the cover
Affected Brother Printer Models
The following Brother printer models are known to display error Machine Error 46:
Related Brother Error Codes
If you are troubleshooting error Machine Error 46, 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
- Unable to Clean 46 – Purge Unit Error
- Unable to Print 50 – Print Head Error
Frequently Asked Questions
What is Brother Machine Error 46?
Machine Error 46 indicates the waste toner collection area is full. On Brother printers, waste toner is often collected in the drum unit itself, so replacing the drum unit resolves this error.
How do I prevent Machine Error 46?
This error is a normal part of the printer’s lifecycle. Replace the drum unit at its rated interval. Using genuine Brother consumables ensures proper waste toner collection.
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.