Question about Brother IntelliFax-2820 Laser Fax

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Can not recieve Faxes

The Fax machine will not pick up when a fax is sent, it is on a dedicated line.  The machine says that it is on Sleep mode and we aren't sure how it got there or even how to take it off due to the fact we did not put it on sleep mode...can ya help me out?

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Re: Can not recieve Faxes

These machines goe into sleep mode automaticly and should exit when they detect a ring.

You MAY have a problem with your main board.

First make sure your phone cord is plugged into the correct port. There are two, line and ext. It must be plugged into line.

You can try a factory reset if that doesn't work. Unplug unit, hold menu button, plug back in and wait for lights to blink and display to read Maintenance.

Press 0 and 1

Now press 99

Now try sending to the machine again.

If this doesn't work, you likely need the unit serviced.

Posted on Dec 30, 2007

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Re: Can not recieve Faxes

My machine was in sleep mode, solved problem but now it will not send a fax or recieve one. Everthing else is reading the same as before.

Posted on Feb 02, 2009

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Re: Can not recieve Faxes


I thank you very much for the information. It fixed my problem.


Posted on Sep 22, 2008

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Sends faxes fine, but will not receive. Message "FAD" on screen

Could the message be reading "TAD"? If you have an answering machine hooked up anywhere on the same line as the fax, you need to refer to page 16 of your manual. Set your answering machine to 2 rings and de-activate the toll saver mode. If you have a dedicated fax line without the TAD, set your fax recieving mode to fax only by pressing the MODE button under the LCD display untill fax only isindicated

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We can send faxes but we can not receive faxes. The fax machine that sends the fax tell it that our line is busy. Is that a machine problem or a phone line problem?

Problem lies in your Receive Mode setting. If you don't have a dedicated phone line for the fax machine, you need to set it up for either Manual where you answer every call or Fax/Tel whereby the Fax machine determines if the incoming call is a fax or phone call. Instructions per Intellifax 4100 Manual.

Select a Receive Mode
Choose the mode that best suits your needs by pressing the Mode button
repeatedly until the FAX and FAX/TEL lights show the setting you want to use.
You must answer every call yourself.
The Brother machine must be started manually
to receive faxes.
For use with a dedicated fax line.
Every call is answered as a fax.
For receiving fax and voice calls on one line.
The FAX answers every call and receives a fax or
double rings for you to pick up a voice call.
For use with an answering device.
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Apr 20, 2009 | Brother IntelliFAX 4100 Laser Fax

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Cannot receive faxes or copy, but can send out

make sure you auto recieve light is on.
check your lights the one for FAX only has to be on only.
not TEL or FAX_TAD
good luck>

Mar 21, 2009 | Brother IntelliFAX 4100 Laser Fax

1 Answer

Cannot receive faxes

Here is the answer fixya...
make sure you auto recieve light is on.
check your lights the one for FAX only has to be on only.
not TEL or FAX_TAD
good luck>

Mar 21, 2009 | Brother IntelliFAX 4100 Laser Fax

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I can send but cannot recievefax. Fax is on SLEEP all the time.

The machine is set with the sleep mode as a default. The fax part can be changed to recieve a fax by pressing the fax mode button. Press it until it says Fax only, not F/T. F/T means Fax/Telephone. This mode would make it to where you have to pick up the reciever and press start when a fax comes in. The Fax only mode means it will pick up everytime a fax comes in automatically. Let me know if this was helpful. Please give my helping a rating. Thanks!

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2 phone lines causing problems for fax machine

1 line is fine as long as the fax is set to auto recieve mode

Nov 12, 2008 | Fax Machines

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I cannot recieve faxes

There seems to be an internal fault, either with the receive relay or another board component. Can you receive a telephone call? If so, I would say it's a component failure and should have a repair shop look at it. With this kind of problem, the repair facility will use bench testing equipment to prove it. then exchange the faulty board. If it's not under warranty, it will be expensive.

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Canon Fax phone L80

If it is a dedicated fax line it is probabaly best set to fax only mode. Fewer rings (No more than two) FaxTel mode will ring for longer to allow you to pick it up if its a phone call.

Check if the machine has dial tone by onhook button or handset to check. If you have none try testing with another phone to rule out the machine.

Try a manual reception. Pick up the phone when it rings and press the start button.

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Set up

Make sure ECM is turned on. Do not turn on Junk Fax because you will most likely block other faxes.
If you really want the fax machine to work properly, you should connect it to a dedicated line.
You will be disappointed with performance if you try sharing it with other items on the same line.
Reasons, your fax line will be busy when your other functions are being used, and obviously you will miss faxes.
If you are taking a call or message when fax comes in, if the machine is made to give faxes first priority, you will be disconnetcted.
Also, which one do you want to set to pick up first?
The fax machine answers on a certain ammount of rings and so does Voice mail. Which has priority to you. DO you want to miss faxes for messages, or messages for faxes.
Set up vioce mail for 3 rings and fax for 4, then you miss the fax. Reverse it and you miss the message.
Just telling you, I have people call all the time for issues with faxes on the same lines with other items, Answering machines, credit card billers, other phones, etc etc etc.
Good luck. But putting multiple items on the same phone line is setting you up for disappointing performance. And it will not be the problem of the fax machine, It is designed to do what it is supposed to.
Just telling you the truth up front. If your faxes and messages are both important to you. You need a dedicated line for the fax.

Dec 05, 2007 | Brother IntelliFax-2820 Laser Fax

2 Answers

"Receiving Sleep" on Brother Fax 4100

The sleep mode is only a power save mode. You may not have the machine in the correct fax receive mode. If the machine is on a line by itself it needs to be set to fax only, if line is shared with a telephone it needs to be in fax/telephone, if you share the machine with an answering machine it needs to be in TAD mode, and so forth. Each time you press the MODE key it will change the receive mode. Most people hit this key by mistake and change the MODE and the unit will not pick up calls. Press the MODE key until you are in the correct mode. To make sure the machine will print, press reports and then the 1, this will print a help list. If the help list prints you know that the machine works. Then check to make sure the machine is in the correct fax receive mode.

Sep 04, 2007 | Brother IntelliFAX 4100 Laser Fax

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