Brother MFC 8420 User Manual

23 - 2   OPTIONAL ACCESSORIES
Installing the optional memory board
WARNING
■DO NOT touch the surface of t he main board within 15 minutes 
after turning off  the power.
■Before installing the optional memory board, make sure there are 
no faxes in the memory.
1Disconnect t he telephone line cord,  turn the MFC power swit ch 
off , unplug the MFC power cord from the AC outlet, and then 
disconnect the interface cable.
WARNING
Turn the MFC power switch off, before installing (or removing) the 
memory...

OPTIONAL ACCESSORIES   23 - 3
WARNING
DIMM boards can be damaged by even a small amount of st atic 
elect ricity. Do not touch the memory chips or the board surface. 
Wear an antistatic wrist strap when you install or remove the board. 
If you do not have an antistatic wrist strap,  frequently touch the bare 
metal on the printer.
4Hold the DIMM with your fingers on the side edges and your 
t humb on the back edge. Line up the notches on the DI MM with 
the DIMM slot. (Check that the locks on each side...

23 - 4   OPTIONAL ACCESSORIES
WARNING
If the St atus LED turns Red for a Service Error, please call Brother 
Customer Service at: 1-800-284-4329 (in USA) or 1-877-BROTHER 
(in Canada).
Network (LAN) board
When you add the optional Network (LAN) Board (NC-9100h), you 
can connect your MFC into t he network to use the Internet FAX, 
Network Scanner, Network Printer and Network Management 
operations.
WARNING
DO NOT touch the surface of the main board within 15 minutes af ter 
turning off the power.
For...

OPTIONAL ACCESSORIES   23 - 5
Before starting installation
Be careful when handling the NC-9100h. There are many delicate 
elect ronic components that are susceptible to damage from static 
elect ricity. To avoid such damage, use the following precautions 
when handling the board.
■Leave the NC-9100h in its anti-static bag until you are ready to 
install it.
■Make sure that you are adequately grounded before touching the 
NC-9100h. Use an anti-static wrist strap and a grounding mat if 
possible. If you...

23 - 6   OPTIONAL ACCESSORIES
WARNING
Turn the MFC power switch off, before installing (or removing) the 
NC-9100h board.
2Remove the side cover. Loosen the two screws, and then 
remove the metal shield plate.
3Loosen the two screws, and then remove the met al cover plate.
Cover Plate
 

OPTIONAL ACCESSORIES   23 - 7
4Plug the NC-9100h into connector P1 located on the main board 
as shown in the illustration (press firmly) and secure the 
NC-9100h wit h the two screws.
5Put the metal shield plate back on and secure it with t he two 
screws.
6Put the side cover back on.
7Reconnect  the telephone line cord.
8Reconnect  any additional int erface cables that you removed.
9Reconnect  the power cable and then t urn on the MFC power 
switch. 
10Press the Test switch and print a network...

23 - 8   OPTIONAL ACCESSORIES
Step 2: Connecting the NC-9100h to an 
Unshielded Twisted Pair 10BASE-T or 
100BASE-TX Ethernet Network
To connect the NC-9100h to a 10BASE-T or 100BASE-TX Network, 
you must have an Unshielded Twist Pair Cable.  One side of  the cable 
must be connected to a free port on your Ethernet hub and the other 
side must be connected to the 10BASE-T or 100BASE-TX connector 
(an RJ45 Connector) of the NC-9100h.
Verifying successful hardware I nstallati on:
Plug in the AC power cord....

OPTIONAL ACCESSORIES   23 - 9
Active LED is yellow:
The Active LED will blink if the print server is receiving or transmitting data.
TEST SWITCH
Short push:  Prints the network configuration page.
Long push (more than 5 seconds): Reset the net work conf igurat ion 
back to the factory default settings.
 
Paper Tray #2
You can purchas e t he Paper Tray  #2 ac cessory (LT-5000) t o us e as a 
third paper source. Tray #2 holds up to 250 sheets of 20 lb (80 g/m2) 
paper.
I f there is a valid connect ion to...

GLOSSARY   G - 1
G
ADF ( Automat ic Document  Fee der)  The original can be placed in 
t he ADF and scanned one page at a time automat ically.
Auto Dial List  A listing of names and numbers stored in One-Touch 
and Speed-Dial memory, in numerical order.
Automatic fax transmission  Sending a fax wit hout picking up the 
handset of an external phone (or pressing 
Hook).
Automatic Redial  A feature that enables your MFC to redial the last  
f ax number if the fax did not go through because the line was...

G - 2   GLOSSARY
Codi ng Method  Met hod of coding the inf ormation contained in the 
original. All fax machines must use a minimum standard of 
Modified Huff man (MH). Your MFC is capable of greater 
compression methods, Modified Read (MR), Modified Modified 
Read (MMR) and JBIG , if the receiving machine has the same 
capability.
Compatibility Group  The ability of one fax unit to communicate 
with another. Compatibility is assured between ITU-T Groups.
Cont ra st  Setting to compensate for dark or...