1. Identify which toner requires replacing. This will tell you in the top of the screen.
2. Remove the empty toner. The toner that needs to be replaced will come out forward. Toners that do not need to be replaced are locked into place so they cannot be removed until they need to be replaced.
3. Unbox new toner and insert it into printer and shut the front panel. The printer will update toner status and will be able to be used again. The empty toner can go in the box the new toner came from.
4. Place the empty toner in the toner recycling box.