Hello!Thank you for your question. I am Shefin and I look forward to helping you with your issue today.
Please let me know the operating system (E.g. Windows 7, Mac OS X 10.7) and connection type (USB or wireless), so that I can assist you better.Thank you.S H E F I N
Have you recently changed any wireless settings or Router?
If no, please turn off the computer, printer and the router for two minutes and restart all. Then, try printing.
S H E F I N
In this case, you have to setup wireless again on your printer. And reinstall the printer too. Can you do that?