Please try the following steps to connect the unit to your new router:
1. Go to the Home menu or press the Home button.
2. Use the up or down arrow keys until Setup appears, then select Setup.
3. Select Wireless LAN Setup and press OK.
4. If prompted to active the Wireless LAN, choose Yes and press OK.
5. Select Easy Setup and press OK.
6. When your access point appears, select it and press OK.
7. Enter your encryption key and press OK.
8. Confirm the key is correct and press OK.
9. Once the connection is complete, press OK.
10. Press the Home button to return to the default menu.
Once this has been done, try printing to test the unit.
If these troubleshooting steps do not work, feel free to call us at 1-800-OKCANON.