Just a question

How to enter Fax mode
Before sending faxes, make sure (Fax) is illuminated in
green. If not, press (Fax) to enter Fax mode. The default
setting is Fax.
How to dial
You can dial in any of the following different ways.
Manual dialing
Press all of the digits of the phone or fax number.
Setup Send
3 - 2 SETUP SEND
Speed-Dialing
Press Search/Speed Dial, #, and then the two digit Speed-Dial
number. (See Storing Speed-Dial numbers on page 5-1.)
Search
You can search for names you have stored in the Speed-Dial
memories. Press Search/Speed Dial and the navigation keys to
search. (See Storing Speed-Dial numbers on page 5-1.)
* To search alphabetically, you can use the dial pad to enter the first
letter of the name you are looking for.
Fax Redial
If you are sending a fax manually and the line is busy, press
Redial/Pause, and then press Black Start or Color Start to try
again. If you want to make a second call to the last number dialed,
you can save time by pressing Redial/Pause and Black Start or
Color Start.
Redial/Pause only works if you dialed from the control panel.
If you are sending a fax automatically and the line is busy, the MFC
will automatically redial one time after five minutes.
If the LCD shows Not Registered when you enter the
Speed-Dial number, a number has not been stored for it.

Color fax transmission
Your MFC can send a color fax to machines that support this feature.
However, color faxes cannot be stored in the memory. When you
send a color fax, the MFC will send it in real time (even if Real Time
TX is set to Off).

Changes to the contents stored in the address book do not become effective in the stored speed dial numbers in Windows®. Description:If you have made a change to the contents stored in the address book, the speed-dial is NOT automatically updated.

If you change the address book entry, please follow the steps below to store the speed dial number again.

1. Click on the setup button to open the Brother PC-FAX Setup dialog box.
   
   
   
   Notes:
   You can also access the Brother PC-FAX Setup dialog box by clicking start => Programs => Brother => MFC-XXXX or MFC-XXXX LAN (where XXXX is your model name) => PC-FAX Sending => PC-FAX Setup.
   
   
2. Click the Speed Dial tab.
   
   
   
   
   
3. Select the Speed Dial No. which includes the member or group you made a change in the address book, and then click Clear.
   
   
   
   
   
4. Click the Speed Dial No. you want to program.
   
   
   
   
   
5. Click the member or group you want to store on the Speed Dial again and click Add.
   
   
   
   
   
6. The Speed Dial is now registered with the new entry. Click OK.
   
   
   
   
   

If you put the patch below, the message that prompts you to confirm the destination number or address will appear when you send a fax using the speed dial. Also the message that indicates changes in the address book do not become effective in the stored speed dial numbers will appear when storing a speed dial.

1. Make a temporary folder on your HDD [hard disk drive] as the location to save the downloaded self-extracting file, e.g. C:\brodnt
2. Please click here to download the patch. (7.07MB)
3. The Brother End-User License Agreement will appear. If you agree to the terms, click I ACCEPT.
4. Download the file to the temporary folder created in Step 1.
5. Once downloading is complete, open the folder and double click PCFAXUPD.EXE.
6. The installation will start. Please follow the on-screen installation directions.

Trust this is helpful. Please vote. :)

you need to set up a group to send to. So if the group is always changing this may not help much.

Groups allow you to send the same fax message to multiple numbers (broadcasting). You can store the Groups on your One-Touch keys or SpeedDial locations and then broadcast by pressing a One-Touch key and Fax Start or by pressing Search/Speed Dial, the three digit location and FaxStart. First, you will need to store each fax number you wish to includein your Group as either a One-Touch or Speed Dial number. Then, you can combine these numbers into a group. Finally, you can have up to six Groups, or you can assign up to 131 numbers to one large Group. Each Group uses one One-Touch key or Speed Dial location. To set up a Group, please follow these steps:

1. Press Menu, 2 (Fax), 3 (Set Auto Dial), 3 (Setup Groups).

2. Press the One-Touch key on which you wish to store the Group or pressSearch/Speed Dial followed by the three-digit Speed Dial location where you wish to store the Group. The LCD will read SETUP GROUP:G0 ENTER & SET.

(from the Brother manual)

I’m happy to help further over the phone at https://www.6ya.com/expert/thomas_b83e841f114394f4

To send a fax, you will have to configure the settings. here are the steps you can follow;

Remote Fax Options;
You can only use one remote fax option at a time:
Fax Forwarding—OR—Paging—OR—Fax Storage—OR—PC FAX Receive—OR—Off.
You can change your selection at any time (Menu/Set, 2, 5, 1).

Setting up Fax Forwarding

When you select Fax Forward, your MFC stores the received fax in the memory. The MFC will then dial the fax number you’ve programmed and forwards the fax message.

1. Press "Menu/Set, 2, 5, 1".
2. Press ▲ or ▼ to select "Fax Forward". Press "Menu/Set". The LCD will ask you to enter the fax number to which faxes will be forwarded.
3. Enter the forwarding number (up to 20 digits). Press "Menu/Set".
4. Press ▲ or ▼ to select "Backup Print:On or Backup Print:Off". Press "Menu/Set".
   

If you select "Backup Print:On", the MFC will also print the fax at your MFC so you will have a copy if there is a power failure before it is forwarded.
5. Press "Stop/Exit".

Programming your pager number When Paging is selected, your MFC dials the pager number you’ve
programmed, and then dials your Personal Identification Number (PIN). This activates your pager so you will know that you have a fax
message in the memory.
1. Press Menu/Set, 2, 5, 1.
2. Press ▲ or ▼ to select Paging.
3 . Enter your pager phone number
followed by # # (up to 20 digits). Press Menu/Set.
Do not include the area code if it is the same as that of your MFC. For example, press 1 8 0 0 5 5 5 1 2 3 4 # #.
4. If your pager needs a PIN, enter the PIN, press #, press Redial/Pause, enter your fax number followed by # #. Press Menu/Set. (For example, press 1 2 3 4 5 # Redial/Pause 1 8 0 0 5 5 5
1 2 1 2 # #) —OR— If you do not need a PIN, press Redial/Pause, enter your fax number followed by # #. Press Menu/Set. (For example, press Redial/Pause 1 8 0 0 5 5 5 1 2 1 2 # #)
5. Press Stop/Exit.
■ You cannot change a Paging number or PIN remotely.
■ If you have set Paging, a backup copy of the received fax will
automatically be printed at the MFC.

Setting Fax Storage
If you select Fax Storage, your MFC stores the received fax in the
memory. You will be able to retrieve fax messages from another
location using the Remote Retrieval commands.
1 Press Menu/Set, 2, 5, 1.
2 Press ▲ or ▼ to select
Fax Storage.
Press Menu/Set.
3 Press Stop/Exit.
Setting PC Fax Receive
If you select PC Fax Receive, your MFC will temporarily store your
received fax messages in its memory, and then automatically send
the faxes to the PC. You can then use your PC to view and store
these faxes.
1 Press Menu/Set, 2, 5, 1.
2 Press ▲ or ▼ to select
PC Fax Receive.
Press Menu/Set.
3 Press ▲ or ▼ to select
Backup Print:On or
Backup Print:Off.
Press Menu/Set.
4 Press Stop/Exit.
If you have turned on Fax Storage, a backup copy will
automatically be printed at the MFC.

• Before you can set up PC Fax Receive you must install the

MFL-Pro Suite software on your PC, make sure your PC is connected and turned on. (For details, see Using Brother PC-FAX software on page 5-1 in Software User’s Guide on
the CD-ROM.)

• If you select Backup Print:On, the MFC will also print the fax at your MFC so you will have a copy if there is a power failure before it is sent to the PC.
  

■ If you get an error message and the MFC cannot print the faxes in memory, you can use this setting to transfer your faxes to your PC.
Turning off Remote Fax Options If you set the Remote Fax Options to Off and there are faxes in your MFC’s memory, the LCD will give you two options.

• If you press 1, all unprinted faxes will be printed and erased

before the setting turns off. If a backup copy has already been
printed it will not be printed again.

• If you press 2, the memory will not be erased and the setting will be unchanged.
  

Setting your Remote Access Code

The remote access code lets you access the Remote Retrieval features when you are away from your MFC. Before you use the remote access and retrieval features, you have to set up your own code. The default code is inactive code (--- ).

1. Press Menu/Set, 2, 5, 2.
2. Enter a three-digit code using numbers 0-9 or . Press Menu/Set. (The preset ‘ ’ cannot be changed.)
3. Press Stop/Exit. Do not use the same code which is set in your Fax Receive Code ( 51) or Telephone Answer Code (#51). You can change your code at any time by entering a new one.
4. If you want to make your code inactive, press Stop/Exit in Step 2 to restore the inactive setting (--- *).
   

This is right from the manual:
You can use the Multiple Send feature, which allows you to send a fax to
multiple locations. Originals are automatically stored in memory and sent
to a remote station. After transmission, the originals are automatically
erased from memory.
1 Press Fax.
2 Load originals face up into the ADF, or place a single original face
down on the scanner glass.
For details about loading an original, see page 5.1.
3 Adjust the document resolution and darkness to suit your fax needs.
See page 9.1.
4 Press Menu until Fax Feature appears on the bottom line of the
display and press OK.
5 Press the Scroll buttons until Multi Send appears and press OK.
6 Enter the number of the first receiving fax machine and press OK.
You can use speed buttons, speed dial numbers, or group dial
numbers. For details, see page 10.2.
7 Enter the second fax number and press OK.
The display asks you to enter another fax number to send the
document.
8 To enter more fax numbers, press OK when Yes appears and
repeat steps 6 and 7. You can add up to 209 destinations.
Note
You cannot use group dial numbers for another fax number.
9 When you have finished entering fax numbers, select No at the
Another No.? prompt and press OK or Start.
The original is scanned into memory before transmission. The
display shows memory capacity and the number of pages being
stored in memory.
10 If an original is placed on the scanner glass, select Yes to add
another pages. Load another original and press OK.
When you have finished, select No at the Another Page? prompt.
The machine begins sending the fax to the numbers you entered in
the order in which you entered them.

Manual - see page 54

The fax software on your computer should let you enter multiple numbers to fax to.  Scan the document to an image file on your computer.  The computer will store the image and will dial each number and send the document.

Hi - You can download the manual from the link underlined in blue below:

FAX-L100

See page 4-6:



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unplug the unit and take any battery's out. then plug back in

here is the manual

http://www.retrevo.com/s/Brother+FAX-2820+manual

Bam !!!!!!

here is the manual

http://www.retrevo.com/s/brother+3220+manual