Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions.This worked like a charm right off the bat. Record that number, go back to your Airport Utility/router management utility and enter the 'PIN' in the dialog box. ON THE HP PRINTER, touch the 'Scan' button, then 'Wireless Menu,' then 'WPS,' then 'PIN.' The HP's front panel display will show the WPS PIN, an 8+ digit number. I'm pretty sure everyone who's gone from end to end of the C4780's rudimentary interface knows where I'm going, but I'll continue. The window that comes up offers the choice between 'PIN' and something else. In the Window, click ONCE to select the Airport you want the HP printer to affiliate with.Įnsuring that the Airport Utility is active go to the Menu Bar, click on 'Base Station,' and scroll down to 'Add WPS Printer.' To access WPS on an Apple Airport, go to APPLE AIRPORT UTILITY. WPS will probably appear in a tab or dialog box in the router management utility or web applet. The 'button' is hidden in the router's management software (or web applet). Recent routers support WPS, as do relatively recent Apple Airport routers. The key is the WPS solution referred to as the mysterious 'WPS button' in HP's literaure. In the process of trying to unscrew all this, I RESET the HP's wireless networking to 'Default.' I found this thread after tweaking my Mac-based wireless network, losing wireless communication with the C4780, and finding that the software CD is no longer recognized by my current Mac OS.įor those with Apple Airport wireless routers (or any wireless router with WPS services), the solution is hiding in plain sight.Īs several previous posters indicated, the device is presumably installed the CPUs (Print and Scan). The HP 'expert'' suggestions were of no help. It took me over 15 hours of effort before I found thirst_strong's and was successfull. It appears that some event causes the printer to default to the SigmaplusEOL1 network name and the only way to undo it is to reconnect using this default network name and then change the network name back to what it originally was.Before proceeding, make sure to write down your router wireless settings. Hope this helps for those with C4780 or similar. Unfortunately, HP 'partially' sunset the Mac support for previous models. Now the printer is working on my wi-fi network without USB connection. Click on +, the HP printer should also say Bonjour as “Kind”.Click + to add printer…should see a listing for the network printer – click on it. On MacOSX, go to System Preferences > Printers & Scanners.Go back to router setup and put back original SSID and WEP settings.Configure settings exactly as what it was originally before (SSID and WEP password). In printer’s portal site, go to Network tab > Connections > Wireless (802.11) > Wireless Setup.In General Information section, type in printer’s URL on web browser. On printer, you should see the signal bar now.From the details, go to the router settings and rename SSID to the default printer’s SSID (e.g. On printer, Print Network Configuration page.On printer, go to Scan > Wireless Menu > Wireless Settings > Restore Network Settings.(Please note: this was done on MacOSX 10.9) There seems to be a flaw in the design or software of the printer that forces it to change to some default network and there is no install wizard that works with Mac OS wrote: I has no such luck with the basic info the HP 'experts' provided. Although I had had an initial issue of accessing the printer's portal, I was eventually successful and made the changes. Business PCs, Workstations and Point of Sale SystemsĮr 12 hours of searching and reconfiguring I found your post.

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