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Printer won't stay connected to network, drops constantly!

I bought this printer a year ago. Since getting a new modem/router, the printer WILL NOT stay connected to my wifi. I am able to successfully configure it and it works for an hour or so but the next day it displays an error message of "check connection".

I am beyond frustrated and I refuse to reset it up each and every time I have to print. I called Brother and their response was that the printer needs to be within three to five feet of the router (???!?!?). They said that the printers are "very sensitive" yet it's a "wifi issue, not a printer issue".

I never would have spent $150 for a wifi printer that needs to be literally next to my modem to work. I may as well have it wired directly. I have a small condo (1000 square feet) and the printer is in the room next to where my modem is located. It's maybe twenty or thirty feet away. There is no solid wall separating the two rooms--there's a large double doorway between them.

I'm so frustrated and upset that something so new and not inexpensive is useless. Do I have any options to keep the machine from constantly dropping the connection? I read somewhere else about "fixing" the IP address but before I mess with that want to make sure that is the right thing to do. Thanks!

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I do not have a solution but I had my printer just a few inches from my modem and it stops functioning after a few hours. Now I have fiber optic and it isn’t any better. Basically the printer sucks.

mine still doesn't stay connected on the 2.4ghz!

Although Brother claims the printer and the device you are printing from both have to be on the 24.ghz network, I have printed for years from both 2.4 and 5ghz with no issues until I too experienced this issue where the printer goes into sleep mode and won't wake up. It literally disappears from the network.

It appears the problem is not "connecting", but "staying connected." So the discussion about 2.4GHz or 5GHz seems worthless. For the first 2 or 3 years mine worked properly. Now I have to unplug my printer and plug it back in every time I want to print. It disconnects after about 10 minutes.

I have two Brother Printers, both MFC, 1-B&W and 1 Color. I realized most of the comments are WIFI related, but I too had no trouble for years until I installed a new gigabit ethernet switch to increase wired #ports. After reading the above comments, I reinstalled the old "spare" switch, added it in line to the new switch and then connected both printers to the old switch and got the green light on both ports! They were amber on the new switch for the past 4-months. I thought well, most comments come in with printers working on slower speeds. Now both printers are back to full speed printing! Older 8-port switch is a Netgear GSS108E the new switch is a TP-LINK 16-port TL-SG116. Everything else worked fine with either switch. Most of my ethernet runs are 50'+ through a multimedia panel in a bedroom closet - I dislike wires showing. So, if it worked before, go back to what configuration you originally used is what I found worked to solve my printer connectivity problems.

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Hi @jamby75, some things you can try is to update both your router firmware to the latest, so as your printer too.

1. For the WiFi settings in the router, what settings do you set, e.g. wpa2 , with AES / TKIP? another possible to check is to change to a less congested channel if using 2.4Ghz. Do note that 5Ghz range is limited, but lesser interference.

2. else if possible, use LAN cable to connect directly to the router

3. for static ip, is there any other devices configured? one way is to connect to your network, either by wired or wireless, execute ipconfig in command prompt (windows) or ifconfig in terminal for mac. e.g

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Thanks for the ideas!

It says WPS for security, with WPA2-PSK enabled.

I have to use 2.4 Ghz unfortunately as this printer that I only bought a year ago doesn't work with 5Ghz.

The channel doesn't appear to be congested (it says interference level "acceptable") but I can't keep changing it every time I want to print something.

Re: 3. for static ip, is there any other devices configured? one way is to connect to your network, either by wired or wireless, execute ipconfig in command prompt (windows) or ifconfig in terminal for mac. e.g

I'm not positive I'm understanding your question. If you're asking if I have other devices connected to the wireless network, yes. I have two Rokus, my laptop, my iPhone and my Alexa.

In what way is this solved?

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Hello,

I found a solution to this for my Brother HL-3140CW. I think it will work for you as it's likely a setting for all Brother printers.

You need to activate IPv6 (it's default is turned off).

Here's how I changed mine.

Go to your printer settings on a computer, I went it from 192.168.0.7. If your printer won't connect to wifi, you won't be able to access this (as it's already offline) so one way is to reset your wifi setting on the printer, it should connect for a short period. Another way I found it would connect was to plug in via USB (it then made it connect to WiFi).

Click on NETWORK, then click WIRELESS, then click TCP/IP, then click IPv6, then click Enabled.

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I've been tearing my hair out not getting my Brother printer to stay connected after I had a new router installed. This seems to have totally solved the problme. Huge thanks!

I'd kiss you if you were here! Thank you!

Bless you Mr. Bright!!! It worked. I’ll provide the details for what I did exactly:

For reference I was trying to connect the printer to my Ipad Pro.

Printer: Brother MFC-L2700DW

(1) On printer, select the following options:

Menu

Option #6 Network

Option #2 WLAN

Option #3 Set Up Wizard

(You will see the name of a WiFi- select the one that you are using with your computer or tablet.

(2) On printer, select the following options:

Menu

Option #6 Network

Option #2 WLAN

Option #1 TCP/IP

Option #0 IPv6

Then select Yes or Enable (for the IPv6)

Last Step:

Unplug printer, then turn it back on and it will now sync to your electronic device. I actually did this process yesterday, but I wanted to wait over night to see if the steps actually stuck. Previously, I would have to unplug my printer and try and catch a brief connection on it just to print a page, and other times no matter what I did I could neither print nor scan, All credit goes to the person who posted the fix: Mr. Grey Bright!!!

Why does this work? Why should enabling IPv6 make any difference?

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After a lightening strike, my Arris router had to be replaced.  After that, when my Brother Printer MFC 8710-DW would sleep, it would disconnect from my iMAC (OS version 10.13.6).   Here is the series of things I did, and what happened. It appears so far that my connection is no longer being dropped.  This took several hours, and hopefully my writing this will save someone else similar frustration and time.

 

1.     I installed new printer drivers from the Brother web site; this did not seem to help.

2.     I installed new printer firmware from the web site, this did not seem to help.

3.     While the printer was temporarily connected, I went to settings>  printers and faxes> options and supplies> Show printer webpage> network>Protocol>  and deselected “air print.”  This did not seem to help, but I left it deselected.

4.     Then I went to “show computer webpage” as above, then >Network> clicked on IPv6(wireless) button, then clicked to “enable IPv6.” My printer still disconnected from the Mac upon sleeping.

5.     I enabled CUPS Interface for my Mac. This, perhaps in addition to the above, kept me connected to my printer.   Here are the details on CUPS

 

CUPS = Common UNIX Printing System.

It ay be disabled by default on a MAC

 

To see if CUPS is disabled on your printer, go to:

 

http://localhost:631/printers

 

 

If you see a screen “Web Interface is Disabled” then your MAC does not have CUPS enabled.

 

To enable CUPS:”

 

Go to the Top right of your mac, and select the magnifying glass.  This brings up a spotlight search box. Type “terminal” (don’t include the quote marks) in this box. That brings up another box.  Continuing on the last line of the box,  type in or paste in (without quotes):  “cupsctl WebInterface=yes” and then hit either the return or enter button.

 

Now go back to the http://localhost:631/printers site and look for your printer.  If it is there, you have activated CUPS.

 

Once I did this, my computer stayed connected to the printer.  The printer never does show up on my Arris Router Client list, but it remains responsive to my print commands.

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Thank you so much. Appreciated.

Thank you for the step by step directions. For many months, I have been using my printer's set up wizard every time I need to print. I followed your direction for steps 4 and 5, and I can print from across the room again. Thank you, thank you, thank you.

This WORKS! I have literally ripped my hair out trying to connect my printer like it was before I changed modem/router to the new “panoramic “ 2.5/5 one and these instructions WORKED! Now I can connect from any iPhone (that is connected to the wi-fi in my house) and PRINT!!

There where was one thing I did different: on #3 I had to check the “AirPrint” back on to be able to go back and finish the instructions but otherwise I followed these instructions and in 10 minutes it was working back like it was before I switched routers.

Thanks for writing these!

This worked for me. I enabled cups and still the printer is connected to WiFi the next day!!!!

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HERE IS THE SOLUTION: If you've recently switched from 2.4GHz to 5GHz wifi - this is the problem! Brother printers cannot connect to 5GHz wifi, but if you ask your internet provider, they can split the combined network into two separate networks, a 2.4GHz one and a 5GHz one - then connect your printer to the 2.4GHz!! I spent far too long trying to figure this out, so I hope this saves someone the hassle.

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crawley73 is correct!

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Thanks for the ideas!

It says WPS for security, with WPA2-PSK enabled.

I have to use 2.4 Ghz unfortunately as this printer that I only bought a year ago doesn't work with 5Ghz.

The channel doesn't appear to be congested (it says interference level "acceptable") but I can't keep changing it every time I want to print something.

Re: 3. for static ip, is there any other devices configured? one way is to connect to your network, either by wired or wireless, execute ipconfig in command prompt (windows) or ifconfig in terminal for mac. e.g

I'm not positive I'm understanding your question. If you're asking if I have other devices connected to the wireless network, yes. I have two Rokus, my laptop, my iPhone and my Alexa.

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I changed to 2.4 GHz from 5GHz and it solved the issue with Brother MFC-L2700DW. I have UnityMedia connection in Germany and after changing the router and upgrading the speed I started facing this issue . I did reset my printer few times without help.

Finally logged in to router and changed it to 2.4Ghz by disabling 5Ghz.

Hope this helps.

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This is an old thread, but I’m still having the same issue with my Brother printer. I don’t have a permanent solution, but I have observed a few things that may help. Note that I did start off with your typical home wifi/router combo unit I’ve upgraded to professional level stand alone gear from Ubiquiti Networks to provide an advanced level of management and coverage across my house.

1) I don’t think this is an issue with the printer losing WiFi connectivity, but more of the printer not waking up.

From Unifi Controller I can see that the printer has an active radio connection to my access point.

2) The printer always wakes up and prints when I print from my Mac (which uses CUPS), but has always been an issue from Windows.

3) When I can’t print or access the printer’s web interface, I can issue a “reconnect” command from my Unifi Controller.

Windows will immediately communicate with the printer and print whatever is in my local queue after issuing the command.

My educated assumption what is happening is that after the printer goes into sleep mode, printing from the Mac does something that sends the correct signal to wake up the printer that Windows does not.

From Unifi Controller I can see the printer’s wifi radio is communicating to the access point, even when I can not reach the web interface (direct IP) of the printer. This would point towards a TCP/IP level “wake on lan” type function that does not work correctly on WiFi, as both Brother’s support and other internet postings have pointed out that moving these printers to a wired ethernet connection seems to fix this issue.

The fact that the web interface doesn’t respond after it goes to sleep points to an issue with Brother’s implementation of its wireless/IP subsystem. It may be a chipset issue given that newer models with 5Ghz support (meaning they have different radio chipsets) are reported to NOT have this same problem. I also put some blame on Windows for not sending the same wake-up signal that printing from Mac’s do send.

The other lesson learned for me is that these older 2.4Ghz Wifi models should not be recommended for use with Windows unless you are printing directly via USB or Ethernet.

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