I can not connect brother printer wirelessly

MFC - L2710DW pritner ..if I connect via usb cable it works but even if I enter correct wifi password - it always give same error - wrong network key(wifi password)

when I connect through usb cable with my computer - it works fine.

Sometimes it gives error saying - check your network configuration

I have power cycle ..restarted and factory reset but same error ...I even copy pasted wifi password from windows 10 in to printer installation window - I am very sure am typing it incorrectly

when I see in openwrt oveview-status - briefly printer's mac id - shows up and under host it shows question mark - only briefly - but than it disappears and comes again and disappears like in cycle

I am positive - it is not able to get ip address in the lan am trying to connect it to - I have disabled mac id filter - what else I should do ?

so why do I get this error?

Please copy the output of the following commands and post it here using the "Preformatted text </> " button:
Remember to redact passwords, MAC addresses and any public IP addresses you may have:

ubus call system board 
cat /etc/config/network
cat /etc/config/wireless
cat /etc/config/dhcp
cat /etc/config/firewall

In addition to the above, keep an eye on logread ; logread -f.

…but in general, tcp/ip stacks and even more so WLAN modules used in printers are $NOT_GOOD, news at 11.

I know this isn't helpful to you, but I've been using that exact model of printer for several years with no problems. Make sure you're entering the password correctly. It's easy to enter the wrong letters/symbols using the printer interface.

Had similar problem with my old HP because the printer wifi hw stop working correctly. I forgot wifi and used USB.

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The only thing I can think of is you have set the minimum connection rate offered. This setting is found in the advanced tab in wifi settings. Try allowing for any connection rate.

I use brother MFC J430W. No problems connecting to access point on 2.4G although my printer is sitting right next to the access point.

You said advanced tab in wifi setting - but where do I choose that ? in printer physically or in router?

on your openwrt device

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Guys when I connect printer to computer wireless - it works ..it just does not work when I try to connect to router.

try to set wpa and non wpa2 maybe that.

This raises more questions than it answers. Define your wireless and your router here, maybe provide a diagram of your network and the complete config (as had been previously requested).

Given that WPA(1) is broken, it mustn't be used - ever.

In the absence of any config- or log files to go by, I would suggest to solve this issue the easy way - by connecting it via its wired ethernet port (or USB, if LAN isn't an option) instead.

Any device not supporting WPA2PSK/ CCMP without any specialties is broken and as good as no wireless at all.


Well broken or not i'm Just saying to check if that Is the point

There are a hundred things you could try, but sharing your network setup is the place to start. Otherwise we're just making guesses.