3 ] Loading The Programs Onto The Flash Rom Of The Machine; [3.1] If The Main Pcb Is Replaced With A New One - Brother MFC5890CN Service Manual

[ 3 ] Loading the programs onto the flash ROM of the machine

[3.1] If the main PCB is replaced with a new one

Unplug the power cord of the machine from the electrical outlet and disconnect the USB
cable that connects the machine with your PC.
(1) On the machine, follow the steps below to enter the firmware loading mode.
1) Plug the power cord into an electrical outlet with the 0 key held down and keep
holding it down until the following appears on the LCD. While the 0 key is held
down, the machine beeps.
2) Hold down the 1 key until the following appears on the LCD. While the 1 key is
held down, the machine beeps.
3) Hold down the 2 key until the following appears on the LCD. While the 2 key is
held down, the machine beeps.
4) Hold down the 3 key until the following appears on the LCD. While the 3 key is
held down, the machine beeps.
When the black and white pattern shown above is displayed, the machine is ready to
receive programs or data for firmware installation from the connected PC.
Note: Pressing a wrong key or no key within the specified time in steps 1) through 4)
above causes an error. If it happens, unplug the power cord and go back to step 1)
above.
(2) Connect the machine to your PC using a USB cable.
App. 2-5
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