It indicated ,Replace Toner, way ? because of

Toner indicator says that there is low toner in the machine. It is necessary to replace toner cartridge and then continue with other error messages.

he c2204 indicates a waste toner issue. Have you recently replaced the waste toner bottle?

Normally the procedure is indicated in the manual. Check the manual of your unspecified printer or copier.

Procedure is different on each device. Just for your illustration, enjoy some videos about how to replace toners on copier:


How to Replace Toner in your Ricoh Copier

SHARP COPIER How to replace toner cartridge

How to Replace Toner in Canon ImageRUNNER Copier

Toshiba copier 2006 toner change

Usualy white lines are a signal for you that is time to replace a toner cartirdge.
Your machine may inform you that you need to replace a toner cartridge, but sometimes the toner levels are low and the machine doesn't indicate that.
Another thing that you may try is to clean all toner cartridges using each corona wire.
If you need to replace your toner cartridge check this easy and helpful way to replace toner cartridge.

Do not go very far yet, the problem is with the toner so I recommend you do what the machine says before looking somewhere else. replace with correct toner.
If you have a friend with the similar machine which is working properly try and get their toner put in your machine if it works buy similar toner if does not then it is the machine. You can also try your unrecognized tone in another machine see the results. The problem is just toner and the sensors in your machine.

I guess that you does not use a genuin cartridge

E020 indicates a Black Toner malfunction. If you've recently changed the toner and failed to distribute the toner by gently shaking it from side to side, this could be the cause of this error or if the toner is very low it could trigger the same error.
01B0 is a drum error related to your toner error message. If toner cartridge is good, remove the cartridge, clean the drum, replace the cartridge and both errors should clear. A dirty drum will also trigger your 1st error e020.

Hi

Replace or clean paper eject sensor and chek

Dileep

Usually indicates poor toner. Have you had your toner replaced recently. Refilled toners are notorious for this.
I have had this problem before....replaced toners with a good supplier or manufacturer. Problem solved.

Dont recomend refills causes too many problems, like you are experencing, put in a real brother toner should fix problem.

great link to explain of lights on panel