Question about Sharp (AR-NB2N) (ARNB2N) Print Server

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Router sends my printer invalid ip address

My router is sending my printer an invalid ip address so, even though it is connected to my computer via ethernet cable, the printer will not print anything that I send it. Can anyone help me?

I have the computers and the printer connected to a switcher, which is connected to a router and modem.

I am running Windows Vista 32 bit with service pack 1.

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  • 5 more comments 
  • chad648 Sep 19, 2008

    well its a linksys but I cant get the model number cause the router is locked up and I dont have the key! The printer is brother HL-4040CN. Which network settings would you like? I don't know a whole lot about this stuff but I can print off network settings on printer through the control panel.

  • chad648 Sep 19, 2008

    I was printing just the day before yesterday. It was yesterday that the thing just stopped working. After a short power outage we got kicked offline. I was able to get the internet working again by unplugging the router and modem and then plugging them back in, but the printer never came back online. I called the printer company AND the router company AND the company that makes the switcher we have in between them. None of them could figure out what the problem was :-(

    ip: (this is an invalid address but this is what it shows)

    From computer, ipv4:
    default gateway field is BLANK

    I tried but couldnt get the model number of the router to display, so sorry.

  • chad648 Sep 19, 2008

    The switcher is a Dynex DX-ESW8

    I did notice from Googling my problem that Dynex products have been known to quit working after short power outages. Not sure why, but the lights are on and everything seems fine.

    I don't know how to change the printer info on my PC to


  • chad648 Sep 22, 2008

    OK I connected the printer directly to my computer via ethernet and the ip address is now, same as before. subnet mask is and ip gateway is

    I tried printing with the printer connected directly to my computer using ethernet and it still won't print. HOWEVER it will print if i connect it directly to my computer using USB. What does that mean?

  • chad648 Sep 22, 2008

    I just tried to post this message and got a error message from fixya that their server was overloaded and they couldn't post my comment. When I hit the back button everything I had typed was gone. Has anyone else had this problem with fixya? Anyways, here it all is again...

    OK I connected the printer directly to my computer via ethernet and the
    ip address is now, same as before. subnet mask is and ip gateway is

    I tried printing with the printer connected directly to my computer
    using ethernet and it still won't print. HOWEVER it will print if i
    connect it directly to my computer using USB. What does that mean?

  • chad648 Sep 23, 2008

    Hello - I did eliminate the switch when I connected the printer directly to my computer, is that what you meant? Anyways, I really appreciate your help very much. The printer is working now. I unplugged the switch and plugged it back in and that got it working. The problem was somewhere in the switch, but it still doesn't make any sense to me.

  • techbwoy May 11, 2010

    Hello Chad,

    3 quick questions, Whats the model router, whats the model printer, also can you display the current network settings on the printer?



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Wow what a mess, this is hard to explain easily?

All network printers should be set to a Static IP address. (Fixed address). Somewhere in your Printers network settings you will find this, it should not be set to DHCP...

Your router is probably set to DHCP, which reassigns all address.

Your computer will send out a communication telling everyone on the network the PCs new address...

Your network printer will not do this.

In your PC in the Print Driver Properties you will see Ports which should have the IP address of your printer, which is a TCP/IP port.
Which will stay the same as when you installed the printer.

When your printer reboots and a new is address assigned if set to DHCP, the pc will still look for the old address, while the printer has a new address.

That is why the printer should have a static IP address assigned from within the machine
The gateway, subnet mask should reflect the same as your network. (The gateway does not have to be in there to work by the way, if you’re using it on the same router)

If you reinstalled the printer after your system rebooted, you probably have the printer installed more than once.

If you do not set the printer to a static IP address this probably will happen again when it is restarted or there is a loss of electricity.

Hooking a patch cable directly from your PC to Your printer will not work; it will work with a crossover cable and a few minor changes to the settings.

USB and Network use different protocols. TCP/IP uses a completely different addressing system.

I don’t think your problem was with your network, as much as it is with the Static address of the printer.

If it is printing for you now the easiest thing to do here to prevent future hassle...
print the network settings

go into your printers IP Networking settings and set the IP address and Subnet as what the printed page is ( I usually turn off DHCP, IPV4, IPV6, NetBIOS etc, and only have tcp/ip on, if your machine offers this?)

Good Luck

Posted on Oct 24, 2008

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print out the settins and write the ip address and gateway here.
Also on your computer..
click on start, then run
type 'cmd' without the quotes
then type
'ipconfig' without the quotes.

give us the (where it says ipv4) ip address and gateway info as well.

the gateway should be the address of your router.
if you open up your browser and type in the address http://x.x.x.x you will see the model number.

Also you never confirmed if you were printing before

Posted on Sep 19, 2008

  • 3 more comments 
  • techbwoy Sep 19, 2008

    based on this

    ip: (this is an invalid address but this is what it shows)

    From computer, ipv4:
    default gateway field is BLANK

    your computer and printer cannot see each other.

    I am surprised that you are even connected to the net.

    Please explain how you are connected now to the net.

    You will have to reset the router by holding a pen or a pin in the reset socket for 30 seconds while you power on the router.

    You can try to cheat and print by changing the printer information on your pc to (i wouldnt recommend it though) but you could try this until you physically reset the router.

    169.x.x.x represents the ip address devices get when they dont get a valid address from a router.

    one quick question :

    whats the model of the switcher ?

  • techbwoy Sep 19, 2008


    the quickest way then is to add a new printer .

    it will be same printer just a different address.

    try using the cd. I will provide steps for a more advance option if you wish.

    I will research your router and see if we can at least reset it.

    failing that for smooth sailing i would recommend a new router, linksys,dlink,belkin are decent stable devices

  • techbwoy Sep 19, 2008

    just to eliminate the switch

    connect the pc directly to the router and see what your ip address is

  • techbwoy Sep 22, 2008

    Your printer has 2 interfaces

    ethernet and usb.

    you can print to the printer via either method.

    right now you are having a network issue so your ethernet communications wont work.

    your computer's ethernet and the printer ethernet have to use the same 'gateway' to communicate.

    since right now they dont know where the 'gate' is they cant talk to each other.

    please try to eliminate the switch as suggested previously

  • techbwoy Sep 23, 2008


    it was probably in a loop.glad you are all sorted ..



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