Question about Brother MFC-7820N Printer

2 Answers

Printer goes offline

I have a brother mfc 7820 connected to a wireless network and the printer goes off line after a half an hour
i need to restart the printer or restart the router
other products connected to the router or ok and do not lose there ip's

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  • 4 more comments 
  • Anonymous Aug 14, 2008

    Yep, have same issue with new brother mfc-9840cdw, even with fixed IP, wan etc, printer goes offline

  • mikepc Sep 19, 2008

    exactly the same problem. After half an hour the printer switches offline and there is no way to get it back on

  • tkt124 Nov 05, 2008

    I have the same problem, but with wireless and direct connection. And I don't know how to set the IP address for anything. Can you give instruction for that?

  • kareem840 Jan 03, 2009

    same problem.. i have a given it a fixed static ip ....and after a period of time it goes offline and the only way to bring it back is to power off the printer and turn it back on

  • AbeGob Feb 17, 2009

    disable all automatic ip pickers like DHCP Server etc. on the printer settings, and on the router settings.



    this worked for me, i hope it would work for you too.

    please let me knew if it worked. thanks!

  • Anonymous Mar 22, 2014

    My wireless network card does not seem to be working. I cannot get a wireless connection

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2 Answers

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  • Brother Master
  • 1,113 Answers

Set IP of printer manually and make sure AutoIP is off. Printout user settings to ensure.

Posted on Dec 11, 2007

  • Soulvisitor
    Soulvisitor Dec 11, 2007

    Make sure there is nothing else on that IP, ie ping it.



    Try Different lead and router socket.

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  • Expert
  • 320 Answers

All you people are complaining that the printer goese off line wrong all brother printers go into sleep mode when not used for a extended period of time, usualll by pushing any key it will go on line

Posted on Jan 24, 2009

  • jimcbb
    jimcbb Jan 11, 2014

    Most people know about the Brother printer sleep mode. Problem is, printer doesn't come back on line as it's supposed to after pressing either the "Go" or the "Reset" button. Driver is current, FW is up to date, which may be the problem. Original FW had a setting to disable the Sleep feature. Some genius at Brother decided to disable this feature. Problem is not as simple as you try to make it sound. Thanks anyway.

  • jimcbb
    jimcbb Jan 11, 2014

    Most people know about the Brother printer sleep mode; this is a simplistic solution that doesn't always apply. Problem is, printer doesn't come back on line as it's supposed to after pressing either the "Go" or the "Reset" button. Printer is Brother HL-5250DN; driver is current and FW is up to date, which may be the problem. Original FW had a setting to disable the Sleep feature. Some genius at Brother decided to disable this feature. Problem is not as simple some responders try to make it sound. I'm trying to come up with a "keep- alive" to put in the Task Scheduler, but can't find info on how to address the printer. Port doesn't respond to pinging, so it's not clear how to address the port, probably because it's offline. Powering Off/On doesn't seem to do anything. Anybody have anything "new" to add? Most of the comments I've read seem to be printer-specific, OS-specific or both, but don't address how to talk to the device. Any ideas how to address the printer via the network would be helpful.

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