My ML-2851ND is Making a Very Loud Grinding Noise When it Prints?

Fix Printer Making Grinding Noise:

When Brother printer making grinding noise while printing then check this troubleshooting process -

1. First of all, open your Brother printer and then open its front cover and then remove the drum & toner assembly.
2. Next, close the Brother printer front cover and then turn your printer back on. Wait for a couple of minutes so that the machine can initialize properly.
3. Go to left side of drum unit and then press the green lock lever and then remove the toner cartridge from the drum.
4. Then again power off Brother printer and open the front cover.
5. After this, you have to install drum into the Brother printer without the toner cartridges.
6. Now, close the front cover and then turn Brother Printer back on. If still, a grinding noise is occurring then you should understand that drum is the main cause of the noise. To fix this issue, you have to replace the drum.
7. Again power off Brother printer and open front cover and also remove the drum unit.
8. In next step, you have to install drum and toner unit into Brother printer and then close the front cover.
9. Power your printer back on. If still, you are hearing a grinding noise then toner cartridge might be the reason behind grinding noise. So, replace the toner cartridges to resolve the issue.