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Wireless Printing & Wireless Internet at the same time ?

Posted on 2008-10-21
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Last Modified: 2013-11-09
I have a customer who has NextG wireless broadband internet USB donglefor her laptop as described here

http://www.cnet.com.au/broadband/wireless/0,239035991,339272721,00.htm?feed=pt_wireless

She also wants to print to a Lexmark printer wirelessly from her laptop.

The problem we are having is that when the USB dongle is plugged in & connected to the internet , the laptop cant connect to the wireless printer anymore

Any help would be appreciated


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Question by:AffordableComputers
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by:JBart_17
JBart_17 earned 166 total points
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what is the printer and how is it connected to the network?
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by:John Hurst
John Hurst earned 166 total points
ID: 22767212
Have the customer install a router between the internet modem and the computer. Hook the computer up to the router either wired or wirelessly (but it won't be using the USB port). Then she can hook up the printer to the USB port. The router also provides a bit of additional security. .... T
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by:Darr247
Darr247 earned 167 total points
ID: 22769371
The problem with that type of adapter is they often place themselves in the routing table with a metric of 1, which can't be overridden to allow local networking to occur through another adapter.

You can confirm that by having her connect to the internet on the 3G adapter, then open a command window (Start->Run, CMD [Enter]) and run the command
route print

If you do find a router to connect the USB adapter to, you shouldn't need to connect the printer to the USB port... the routing table will return to normal and it should resume using its wireless card (or wired NIC if she plugs directly into the router) as the primary network connection, and the printer should be able to connect wirelessly to the router.

Best bet is probably
http://www.dlink.com.au/Default.aspx?Sec=2&Sub1=27 - the DIR-451 on its datasheet,
Datasheet ftp://files.dlink.com.au/products/DIR-451/Datasheet/DIR-451_datasheet_02.pdf
the adapter supported should be covered by ''HSDPA USB Module''.

But the CradlePoint CTR-500 might work, and their MBR-1000 almost certainly would... the MBR-1000's over $200USD, though (not sure what that converts to in oz dollars). Kyocera has CradlePoint add an extra port to the MBR-1000 and they sell it as the KR-2 (for more $$ because of the extra port for more kinds of 3G modems), also.
Draytek makes some models that take 3G USB adapters as a secondary (failover) WAN feed, but unless she has a cable/DSL feed too, those are probably overkill.
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AffordableComputers earned 0 total points
ID: 22848699
Hi thanks for your help
The customer had already spent money on a router and so didn't want to get a new one with print server usb capabilities
I found sort of a workaround - toggle between networks to access internet and printing seperately.
Internet  access - Connect to 3g network
Printing - disconnect 3G and connect to LAN

A bit cumbersome i know, but it did suit  this particular customer

hope this helps someone else who has 3g wireless and wi-fi wireless printing conflict problems
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