Brother MFC7880DN

Maintenance mode is exclusively designed for checking, setting and adjusting the machine using the keys on the control panel. These keys allow you to execute sensor operation check, test printing, log information and error code display, or worker switch (WSW) setting.

Method of entering maintenance mode for service personnel

Operating Procedure

For models without touch panel

1. Press the [Menu], and then the [Start] key while the machine is in the ready state. Then, press the [▲] key four times to enter the maintenance mode.
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 [▼] key. Check that the desired maintenance mode is displayed on the LCD, and press the [OK] key. For models with keypad, you can enter the desired function code number directly with the keypad.

For models with touch panel

1. Press and hold the [Home] key for approximately five seconds while the machine is in the ready state. The display shown on the right appears on the LCD.
2. Press and hold the blank field at the bottom for approximately two seconds. The display shown on the right appears on the LCD.
3. Press the [*], [2], [8], [6], and [4] keys in this order. The display shown on the right appears on the LCD, and the machine enters into maintenance mode.
4. To select any of the maintenance mode functions shown in the "List of Maintenance Mode Functions", use the keypad to enter the maintenance mode function code to be executed.

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 "List of Maintenance Mode Functions" (function code: 09, 10, 11, 12, 25, 28, 43, 45, 52, 53, 54, 61, 77, 80, 82, 87, 91).

Operating Procedure

For models without touch panel

1. Press the [Menu], [Start], and [Menu] keys in this order while the machine is in the ready state. "0" is displayed on the LCD.
2. Press the [▲] or [▼] key 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] key.
3. Each time the selected maintenance mode function is completed, the machine returns to the ready state automatically. For function codes 12, 25, 28, 45, 80, and 82, pressing the [Stop] key returns the machine to the ready state.

For models with touch panel

1. Press and hold the [Home] key for approximately five seconds while the machine is in the ready state. The display shown on the right appears on the LCD.
2. Press and hold the blank field at the bottom for approximately two seconds. The display shown on the right appears on the LCD.
3. Press the [*], [0], and [#] keys on the LCD in this order. The machine enters into ready state to accept function code entry, so press the function code you want to execute.
4. Each time the selected maintenance mode function is completed, the machine returns to the ready state automatically.