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Lost connections to printers via the router

Posted on 2009-04-14
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Last Modified: 2012-05-06
I have a DynaLink RTA1046VW home router/modem running a wireless network with a single laptop connecting to it.  I have an HP J6480 wireless printer which connected to the router and was accessible by my laptop and anyone else connecting to my network.
Recently it suddenly lost that connection.
I have re-installed the printer as per manufacturers instructions, temporarily connecting to it by USB cable, then went to add a network printer.  However at that stage it tells me there are no printers on the network.
I then bought a Brother B&W printer and also initially installed it via a USB cable to my laptop.
I then bought an Intellinet printer server and connected it by an ethernet cable to the Router and a USB cable to the printer.
When I installed the printer server software and attempted to add a network printer, it also shows no printers on the network.
All other functions of the router work correctly.
I then swapped out the router and installed a near-new NetComm router and that exhibits exactly the same problems.
Why can I not see or connect to either printer on the network?  I find it hard to believe that both my near-new routers are faulty.  Could there be a fault in my PC which is running Windows Vista.
Both printers work fine if connected directly to the laptop by USB.
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Question by:David_Loxley
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by:Deoji
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Does the printer Show Offline but you are able to set it up?
If you print to the printer then reboot your computer does the Job you printed, Print when the computer comes back up?

If so, then Right click on the Printer Icon and select Run As Administrator --> Properties.
Select the Tab for Ports then click "Configure Port"
Change the Protocal to "RAW" and possibly un-check SNMP Status Enabled.
Then click OK.
Ok again....
Now try printing... It should work without having to reboot.
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by:David_Loxley
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Deoji,
Thanks for taking this one on.
I tested the continue-printing-after-reboot by starting to print a small document then right-click on its entry in the print queue and selected Pause.  My computer is so slow that I would have had to print hundreds of pages to be able to shut down and reboot before the end of the print job.
However  after rebooting, I right-clicked and selected Resume and the printing started again from the beginning.  (I did not need to issue another Print command from the document).

I went into Control panel/Printers/Properties, selected the Ports tab and clicked Configure Ports and got a popup:
An error occurred during port configuration.  This operation is not supported.

I do have Administrator privileges on the laptop.  I am running Windows XP Version 2002 SP2.  I run an up-to-date version of McAfee Virus scan, so I think I have no infections.  I also have PC Doc Pro 4.2 to clean out the registry etc,.
However my system is exceptionally slow, so I suspect the printer problem could be related to a bigger underlying issue.

Another related problem which may be relevant is that the HP printer has a scanner.  It will not scan over the network (which I believe is normal), so I also have it configured as a direct-connect printer via a USB cable.
Probably as a result of this, whenever I shut down (whether I have been using the scanner or not), I get two pop-ups of Program not responding:
  . Device I/O Notification
  . Hpqtra08  (or something like that)
Neither responds to the operating system so I need to click on End now to get the system to finish shutting down.
David
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CANCEL - getting a hands-on  fix-it  man
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