Brother HL-L2386DW

Maintenance mode is exclusively designed for checking, setting and adjusting the machine using the keys on the control panel. For LCD models, you can conduct operational checks of sensors or test printing, display the log information or error codes, and change the worker switches (WSW) by using maintenance mode functions. Although LED models are not equipped with the above maintenance mode functions, they are equipped with conventional maintenance mode functions using the [Go].

Method of entering maintenance mode for service personnel

LCD models

1. Press the [OK] and then the [Go] while the machine is in the ready state. Then, press the [▲] four times to enter the maintenance mode.
   Note:
   • To enter the maintenance mode, press the [Go] in two seconds after pressing the [OK]. Similarly, press the [▲] in two seconds after pressing the [Go].
2. “■■ MAINTENANCE ■■■” is displayed on the LCD to indicate that the machine entered the initial state of maintenance mode. The machine is ready to accept entry via keys.
3. To select any of the maintenance mode functions shown in the “List of Maintenance Mode Functions”, press the [▲] or [▼]. Check that the desired maintenance mode is displayed on the LCD, and press the [OK].

LED models

1. Open the front cover while the power switch is turned OFF.
2. Press and hold the [Go], and turn ON the power switch. The Toner, Drum, and Paper LEDs light.
3. Release the [Go]. All LEDs go out.
4. Press the [Go] for the assigned number of times to enter maintenance mode (While you are pressing the [Go], the Ready LED remains lit). Toner, Drum, and Paper LEDs light when the [Go] is pressed for assigned number of times.
5. Press the [Go] again for the assigned number of times to select the function (While you are pressing the [Go], the Ready LED remains lit). Toner, Drum, and Paper LEDs go out in a second after the [Go] is pressed for assigned number of times.

Method of entering end-user accessible maintenance mode

The maintenance mode functions should only be accessed by service personnel. However, end users are allowed to use some of these functions under the guidance of service personnel over the phone. End users can only use the functions shaded in the table “List of Maintenance Mode Functions” (Function code 09, 12, 25, 45, 77, 80, 82, 91).

LCD models

1. Press the [OK], [Go], and [OK] in this order while the machine is in the ready state. “0” is displayed on the LCD.
2. Press the [▲] or [▼] several times until the desired maintenance mode function is displayed on the LCD. Check that the desired maintenance mode is displayed on the LCD, and press the [OK].
3. Each time the selected maintenance mode function is completed, the machine returns to the ready state automatically. For function codes 12, 25, 45, 80, and 82, pressing and holding the [Go] returns the machine to the ready state.

LED models

1. Check that the front cover is closed.
2. Press and hold the [Go], and turn ON the power switch. The Toner, Drum, and Paper LEDs light.
3. Release the [Go]. All LEDs go out.
4. Press the [Go] for the assigned number of times to enter maintenance mode (While you are pressing the [Go], the Ready LED remains lit).
5. Each time the selected maintenance mode function is completed, the machine returns to the ready state automatically.