Occasionally your Brother laser printer may incorrectly give you a message to change the toner, even after installing a brand new unit. This is a very common problem, so common that this range of printers actually has a toner level reset feature built into the system itself.

To access the resetting page when needing to reset the toner ink level readings, you'll need to take the following steps:

- When the "empty toner" or "change toner" message is present open up the top part of the printer, the same way you would when installing a new toner.
- While the printer is open, press the 'back' arrow button AND the red 'X' button together for a few seconds, then swiftly press the 'back arrow button by itself.
- A list of consumable part numbers will be present. You will want to identify which toner needs to be reset. Each option will start with the colour, then the toner or drum (DRM for drum or TNR for toner), then the capacity size. HC = High Capacity, STD = Standard Capacity. Select which one you need to reset, by clocking on it and then pressing "accept".
- Close the printer lid. The message telling you to change the toner should now disappear, allowing you to print as normal.

This method should work with the following Brother printer model numbers: DCP-L3510CDW, DCP-L3517CDW, DCP-L3550CDW, HL-L3210CW, HL-L3230CDW, HL-L3270CDW, MFC-L3710CW, MFC-L3730CDN, MFC-L3750CDW, MFC-L3770CDW

** Things to note:
The standard capacity toners for these models are TN243 and the high capacity are the TN247 range.

You will also be able to reset the drum units using the same method, but by selecting the appropriate drum unit on the selection page. **

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