Installing The Update Data To The Facsimile Machine - Brother MFC5100C Service Manual

2.1 INSTALLING THE UPDATE DATA TO THE
FACSIMILE 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).
Connecting the facsimile machine to your PC
(1) Make sure that your PC is turned off.
(2) Make sure that the power cord of the facsimile 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
two screws.
(5) While pressing the 5 key on the machine's control panel, plug the machine's power cord into a
wall socket.
(6) Check to see that the following pattern displays on the LCD. If it does not display, go back to
step (2) above.
(7) Turn on your PC.
Parallel interface
cable
Host computer
2 -1
Lock wires