Question about Brother IntelliFAX 2800 Laser Fax

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Sleep mode no fax

The call comes in, the fax rings several times, but won't print the message

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Re: sleep mode no fax

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1. Machine is on telephone line shared with a 3 handset cordless Uniden system so telephone may be answered around the house. The machine no longer rings when calls come in so we only here the Uniden...

These machines come with several receiving modes that can be programmed ... mostly by design but quite often ... by accident.

I would check the User Manual for Ring Patterns, Silent Reception and Fax Priority.
You can always see or print out the Option Settings of your facsimile. There it will show the exact picture of what the fax must know before answering the incoming call.
Does it have Fax Tone Detection? Is it set for automatic answering? Faxback? Polling?

Maybe a power hickup might have scrambled some of the programmed features?
Obviously nobody in the location monkeyed around with tha fax buttons, right?
By George. Of course not!

Please feel free to contact me anytime.

Feb 14, 2011 | Canon FAXB840 Plain Paper Bubblejet Fax

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There is nowhere I can find whether I should switch on the Machine 24hr a day x 7 days a week. Or shall I swtich it off after-office-hours? Any effect on the life-span of the machine?

In a business environment most fax machines are left on 24/7......who wants to miss an order coming in because your fax was OFF. However, many fax machines can be programmed to go into a "sleep mode"...this would be in the evening when the office is still want to be able to recieve fax's if any come in..but you don't need the machine ON "fully" ready to print. Another-words, the machine is in a sleep/half power mode( because no-one is in the office to use it )..BUT if a fax comes in then the machine can still recieve it, then it "wakes-up" fully..prints out the recieved pages, and then goes back to sleep again. The details on how to program this function will be in your operators manual IF the feature is available on your model.
The benifits of programming a machine this way are pretty obvious...savings on Hydro, extended machine life ( due to machine going to sleep.) and yet you still dont miss any calls.
Pretty good hey.!!

Nov 07, 2010 | Brother IntelliFax-2820 Laser Fax

1 Answer


you can't take it off of sleep mode. the only thing you can do is set it to go into sleep mode anywhere between 0 to 99 minutes. you do that by pressing "menu, 1, and 8." there, you can input how long you want sleep mode. no way of completely disabling. i'm thinking that somehow, it must have gotten set to 0 minutes.


Mar 30, 2009 | Brother IntelliFAX 4100 Laser Fax

1 Answer

Our Brother Intellifax 3800 will go to sleep and ignore attempts to send or receive faxes. It will take a docment into memory and go to sleep and not send it or the phone will ring with an incoming fax and...

i don't have the owners manual handy, but i'm quite sure you can disable the sleep mode by pressing a couples of buttons on control panel. that procedure is in your owners manual on the same page as setting sleep time.


Mar 16, 2009 | Brother IntelliFAX 4100 Laser Fax

1 Answer

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!

Feb 11, 2009 | Brother IntelliFax-4100e Fax

1 Answer


Your Brother machine#s Sleep Mode function reduces power consumption while the machine is idle. You can adjust how long your Brother machine is idle (between 00 and 99 minutes) before Sleep Mode is initiated. Please note that the default setting is 00 minutes, and the timer automatically resets itself after the Brother machine receives a fax,receives data from your PC, or makes a copy. To adjust your Brother machine#s Sleep Mode setting, please follow these steps:

1. Press MENU/SET, 1 (General Setup), 7 (Sleep Mode).

2. Use the dial pad to enter the amount of time the fax machine is idle before Sleep Mode is initiated (00 to 99 minutes).

3. Press the MENU/SET key to confirm your choice.

4. Press the STOP/EXIT key to exit the menu.

NOTE: If you frequently print, copy, or fax, set the idle time long
enough to insure that you will not always have to wait for the Brother machine to warm up.

Dec 02, 2008 | Brother IntelliFAX 2800 Laser Fax

1 Answer

In coming faxes (8x10) print on two pages.

Scroll through your menus and find "Auto Reduction"

Make sure your silent mode time settings are AM/PM or OFF

Sep 26, 2008 | HP 1040 Plain Paper Inkjet Fax

1 Answer

Sleep Mode showing on the screen


Oct 11, 2007 | Brother IntelliFAX 4100 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

1 Answer

Sleep mode

Press Menu/Set, 1, 6, 2 (2. Sleep Time should be displayed) Simultaneously press Start and Options at the same time Press Menu/Set Press Stop Exit This will turn the sleep mode off. The new setting will apply after the next time the machine copies, prints or is turned off and on.

Sep 13, 2006 | Brother IntelliFax-2820 Laser Fax

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