Network printer by ethernet in wireless network

I have a network printer (canon MF5770) connected to wireless router (D-link wvr-vr). All Pcs connected by wire, print in my network printer. But i have a problem; when i connect my laptop by wire, print; but same laptop connect by wireless return print error after sending the page. The laptop by wireless, discover the printer, and also is posible to make a Ping to it, and also access to it by http in the browers.
I have tried evrethingl, including to disable all firewalls. (in the roouter and windows XP).
Please help me!!