How do I replace the waste toner box?

Replace the drum unit.

Replace the toner cartridge

What is the difference between the toner cartridge and the drum unit?

Can I use non-Brother or third party supplies with the Brother machine?

I just replaced the toner cartridge and the LCD continues to display the message "Toner Life End" or "Replace Toner".

I still receive the error message "Replace Parts Drum" or "Drum End Soon" after I replace the drum unit with a new one.

Replace the drum unit.

I don't think I got the full yield from my high-yield toner cartridge but the message "Toner Life End" or "Replace Toner" is displayed on the machine or the LED is on or flashing.

I print mainly black and white documents. How can I stop the life of my color toner cartridges from decreasing when I print?

How do I replace the waste toner box?

Can I buy any MICR toner?

How do I replace the belt unit?