Brother in his new range of toner and ink cartridges has added a chip, if the machine does not detect the chip does not print, is a smart chip and is changing so there is toner that a few months ago if they worked and now with the new update do not.
If you have a TN-2420 toner with a chip and it does not work, the only solution is to try this or change the chip for a new generation chip.
- Press the “Menu” button
- With the arrows up and down ↑ ↓ look for the option “General Options” and press “OK”.
- With the help of the arrows ↑ ↓, we will now look for the option “Change Toner / Recharge Toner” and press “OK”.
- Now we select the option “Continue” and press “OK”.
- Ready! we can continue printing until the toner runs out.