Setting up HP LaserJet Pro P1102w for wireless but can not save wireless settings

Question

This printer worked fine on wireless with my last TWC modem/router, but I have tried for hours to set it up with a new one and it simply will not let me. USB works fine, but when I follow the instructions found here: OS X Yosemite Wireless. I choose Method three at this link: Method three: Wireless setup using a USB connection. Here is what happens after this:
1. I downloaded the latest Apple HP drivers on my iMac (HPPrinterDrivers3.0.dmg). 
2. Clicked Apple Software Updates to ensure I had the latest.
3. Turned on the printer
4. Has paper and is in ready mode with no flashing lights
5. Plugged USB from printer into iMac
6. Followed HP instructions: Systems Preferences > Printers & Scanners > Clicked on the P1102w printer which was already on the list > Open Print Queue > Open Printer Utility > HTML Config... > Network Tab > Wireless (confirmed it was enabled, I refreshed the network names and added my wireless network, added my wireless network password) > Apply.
This is where everything crashes. After clicking Apply, the page will show up blank, the HTML will be messed up, or I will receive a message that says: 
Safari can’t open the page “http://;ocalhost:5050/cgi-bin/ip_wireless_result.htm”. The error is: “cannot parse response” (NSURLErrorDomain:-1017)
I have tried other Chrome and Firefox and got similar results. At this point, I am out of options based on the HP support sites that I have found. One HP site said to uninstall the HP software located in Libraries > Printers, so I did this. 
Any help would be greatly appreciated. Thanks.

Answer 1

Hi @txrun,
I see that you are experiencing issues setting up the printer on the new router. I will certainly do my best to help you.
Make sure Safari is set as the default browser. Sometime the Embedded Web Server won't open or will error out, if it isn't. Open Safari, across the top select the Safari menu, select Preferences, General, set as default.
Restore printer defaults first and then run the HTML again. You may need to delete and add the printer again into the Printers and Scanners to be able to open the HTML again.
Restore defaults: Turn the printer off, hold down the wireless button and cancel (x button) while turning the printer back on and don't release the two buttons until the printer stops making noise.
Print a configuration page to make sure the old network settings are cleared. Printing a Configuration Page.
If you are still having issues, please check these settings on the router.
The printer is only capable of sending/receiving in the 2.4Ghz band.
If it is set to 5 GHZ network you may need to change to 2.4 GHZ. (rename the 5ghz or shut it off)
The WPA key setting needs to be on AES to work correctly not TKIP.
Multi casting needs to be turned on.
Firewall on router has to have open ports for printer.
If you have Mac Filtering you need to give printer hardware address from configuration page.
You might need to contact your router company for further assistance to check those settings.
If there is anything else I can help you with, just let me know.
Have a nice weekend!
Thank You.
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Gemini02
I work on behalf of HP