I have two laptops A-70

Question

I have two laptops A-70 XP operating system and A-200 Vista thwy are connected via a wireless router tha A-200 is connected direclyto theprinter X3650 model ..The A-200 is set for printer sharing the A-70 will not work .I get a message Successful set upbut when I try to dent a message to my printer ..I get a message Communications N/A cnnot commuicate..please advise..email address [e-mail]