Appendix 2 Installing The Update Data; Installing The Update Data To The Machine - Brother MFC8440D Service Manual

7/13/2019
APPENDIX 2
1.

INSTALLING THE UPDATE DATA TO THE MACHINE

If you want to update the current program stored in the flash ROM of the main PCB to the
newer version or after you replace the main PCB, install the update program onto the flash
ROM.
The program installation requires a PC/AT-compatible computer (which is capable of running
MS-DOS or its compatible OS).
1.1 Connecting the Machine to Your PC
(1) Make sure that your PC is turned off.
(2) Make sure that the power cord of the machine is unplugged from a wall socket or other
power source.
(3) Connect the parallel interface cable to the parallel port on the back of the machine and
secure it with the lock wires.
(4) Connect the other end of the interface cable to the printer port of your PC and secure it
with the two screws.
1.2 Setting up the Machine and Your PC
(1) Plug the power cord of the machine into a wall socket, and turn on the power switch while
pressing the 5 key on the machine's control panel.
(2) Check to see that the following pattern displays on the LCD. If it does not display, go
back to step (2) above.
(3) Turn on your PC.
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Brother 8840D Service Manual
INSTALLING THE UPDATE DATA
Host computer Parallel interface cable
A-3
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
2
1
Lock wires
2
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