Brother TN-450, TN-460, TN-540, TN-560, TN-570 Reset Procedure

There are two procedures for resetting the TN-450, TN-460, TN-540, TN-560, TN-570, depending on whether you have a print-only device (HL series) or multifunction device (MFC series).
Print-only Device (HL series):

If you have a Brother multi-function (HL series) machine and recently replaced your toner cartridge, you can manually reset the toner remaining.
1. Delete any remaining jobs that may be in the Print Queue before replacing the Toner or Drum Unit.
2. Turn off printer
3. Open front door and remove Drum and Toner Assembly
4. Remove Toner from Drum Unit
5. Replace Toner Cartridge (toner will not necessarily click and lock into Drum Unit)
6. Place drum and toner unit back into the machine
7. Turn on machine
8. Close the front door (Toner light should turn off)

Multifunction Device (DCP/MFC series):

If you have a Brother multi-function (DCP/MFC series) machine and recently replaced your toner cartridge, you can manually reset the toner remaining
1. Open the door where the toner goes.
2. Press the ‘back’ button.
3. Press *00. (Do not respond to the query about the drum)
4. It should say accepted on the display screen
5. Close the door.

Brother TN-350 Reset Procedure

There are two procedures for resetting the TN-350, depending on whether you have a print-only device (HL series) or multifunction device (MFC series).
Print-only Device (HL series):

If you have a Brother multi-function (HL series) machine and recently replaced your TN-350 toner cartridge, you can manually reset the toner remaining.
1.Delete any remaining jobs that may be in the Print Queue before replacing the Toner or Drum Unit
2.Turn off printer
3.Open front door and remove Drum and Toner Assembly
4.Remove Toner from Drum Unit
5.Replace Toner Cartridge (toner will not necessarily click and lock into Drum Unit)
6.Place drum and toner unit back into the machine
7.Turn on machine
8.Close the front door (Toner light should turn off)

Multi-function Device (DCP/MFC series):

If you have a Brother multi-function (DCP/MFC series) machine and recently replaced your TN-350 toner cartridge, you can manually reset the toner remaining
1. Open the door where the toner goes.
2. Press the ‘back’ button.
3. Press *00. (Do not respond to the query about the drum)
4. It should say accepted on the display screen
5. Close the door.

Brother TN-315 Reset Procedure

There are two procedures for resetting the TN-315, depending on whether you have a print-only device (HL series) or multifunction device (MFC series).
Multifunction Device (MFC series):

If you have a Brother multifunction (MFC series) machine and recently replaced your TN-315 toner cartridge, you can manually reset the toner remaining. This procedure has been verified for the Brother MFC-9460CDN & Brother MFC-9560CDW.
1. Open the front cover.
2. The display should read “Cover Open”.
3. Press the “Clear” button.
4. “Reset Menu” appears on the LCD display. Press the up or down arrow button to select the toner cartridge that needs to be reset.
5. After selecting the appropriate toner cartridge press OK.
6. Press “1”for reset and then the display will show accepted.
7. Press the Stop/Exit button.
8. Close the front cover and the operation has now been completed.
Print-only Device (HL series):

If you have a Brother print-only device (HL series) machine and recently replaced your TN-315 toner cartridge, you can manually reset the toner remaining. This procedure has been verified for the Brother HL-4150.
1. open toner cover
2. Press ‘secure’ and ‘cancel’ buttons simultaneously
3. scroll through color options menu
4. press ‘ok’ button when on desired color
5. Follow menu options for reset
6. close toner cover

TN-720 & TN-750 & TN-780 Toner Reset Instruction

For Brother DCP/MFC Series printers:
1. Open the front toner compartment door.
2. The printer screen should read “front cover is open”
3. Press the “clear” button on the printer’s front panel.
4. Printer will say “Replace Drum?”
5. Here do not press 1 but instead type in “*00″ on the keypad.
6. The screen will say “Accepted”. Close the door

For Brother HL Series printers:
1. Open front door
2. Turn off printer
3. While holding down the GO button, turn printer back on
4. When all four LEDs light up release GO button. All LEDs will turn off
5. Press the GO button 2 times. The 3 LEDs will light up solid
6. Press the GO button 5 times
7. Paper light will be blinking
8. At this point the toner end-of-life condition has been reset.

Here is a little tips for you: timing is important here so don’t pause between button presses. Besides, you should pay attention that different printers and toners need different steps to reset. The above method is suitable for the printer of Brother DCP/MFC/HL Series which should work with toner TN-720, TN-750 and TN-780.