HP 8750 Printer missing since Leopard upgrade on home wireless network

My HP 8750gp is connected (ethernet not USB) to my BT Voyager 2100 wireless router and worked fine under Tiger. Since the upgrade to Leopard, it does not appear as an available printer. Tried re-installing drivers from Leopard DVD, HP installation cd and HP website but still does not appear. I saw a related topic which suggested you need to be logged in with Admin privaleges to add a printer, however on my iMac I am the only account and so am always logged in as Admin. The printer has also dissapeared from my MacMini which has also been upgraded. Since re-installing drivers, HP Printer Setup loads at start up each time but cannot find the printer.
I am assuming this to be a Leopard issue (as that was the change), but could equally be a router or printer issue I guess.
Any ideas?
Regards,
Andy

For whatever reason, my printer has just started working - one moment it was not listed, the next it was. I have no idea how this miracle happened, it just did.
Andy

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Does this help? http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03112838&tmp_task=solveCategory&cc=us&dlc=en&la...
Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
I am employed by HP

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Message was edited by: CMCSK

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HP 8750 Printer missing since Leopard upgrade on home wireless network

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