< How to rewrite the firmware (Main Firmware and Sub Firmware (PCL/PS))>

After the installation procedure of the Brother Maintenance USB Printer driver is completed, refer to the following steps for the detailed procedures to rewrite the program files. If the Brother Maintenance USB Printer Driver has already been installed to your PC according to this procedure, start to rewrite the program files.

Note:

-DO NOT unplug the power cord of the machine or your PC or disconnect the USB cable while rewriting the program files.

-If you are using the “FILEDG32.EXE”, the following firmware files are needed to rewrite the firmware.

Main Firmware:

LZ1092_A.djf

Sub Firmware (PCL/PS): LZ0828_A.djf

LZXXXX_$.djf

LZXXXX: First six digits are a parts number of the firmware.

$: Alphabet representing the revision of the firmware.

Rewriting the Sub Firmware (PCL/PS)

(1)Press the Menu and Black Start buttons. Next press the button four times to make the machine enter the maintenance mode. (Refer to “1.1 How to Enter the Maintenance Mode” in Chapter 5.)

TIP:

FAX models equipped with numerical keypads can enter the maintenance mode in the same way as conventional models; that is, by pressing the Menu, *, 2, 8, 6 and 4 buttons in this sequence.

(2)Connect the computer to the machine with the USB cable.

(3)Double-click the “FILEDG32.EXE” to start. The following screen appears.

(4)Drag the necessary firmware program file such as LZ0828_A.djf and drop it onto the Brother Maintenance USB Printer icon. “Program Updating” will appear on the LCD.

(5)Upon completion of rewriting, the machine is rebooted and returns to the Ready state automatically.

4-7

Confidential