Brother HL-3150CDN - Reset Toner Cartridge

The Brother HL-3150CDN has a process to manually override the "Toner Empty" message, and reset the toner cartridges.

1. Ensure the printer is switched on.
2. Open the printer lid to reveal the toner cartridges.
3. Press the "secure" and "cancel" buttons together.
4. The LCD should display a new menu.
5. Use the up and down keys to select the cartridge you wish to reset, K = Black, C = Cyan, M = Magenta, Y = Yellow
6. STD = Standard Capacity Cartridge, HC = High Capacity Cartridge, SHC = Super High Capacity Cartridge.
7. Press the "OK" button and then the up arrow to confirm.
8. Close the printer lid.

Brother HL-3150CDN - Reset Drum

After installing a new drum unit, the printer needs to be reset.

1. Press the Up arrow key while holding down "Go" on the printer's control panel.
2. Press the Up or Down arrow key to display Drum Unit. Press "OK".
3. Press the Up or Down arrow key to display the colour of the drum unit that you replaced. Press "OK".
4. Press the Up arrow key for "Reset" to reset the drum counter.