Canon PIXMA MG7150 - Manual (Page 25)

The device may not be able to connect to the network in the following cases:
If the DHCP function of the access point is inactive, enable the DHCP function or specify the IP address (IPv4 only)
of the printer and configure wireless connection settings again. In addition, make sure that the selected WEP key
number and entered WEP key are correct.
For details on how to check or change the settings of the access point, refer to the manual supplied with the access
point or contact its manufacturer.
To specify the IP address of the printer, follow the procedure below.
1. Tap Setup in the HOME screen.
2. Tap Device settings.
3. Tap LAN settings.
4. Tap Other setup.
5. Tap TCP/IP settings.
6. Tap IPv4.
7. Tap Yes.
8. Tap IP address.
9. Tap Manual setup.
Follow the on-screen instructions to proceed with settings.
When the setup is complete, touch the HOME button.
To perform Advanced setup again
1. Touch the HOME button (A).
2. Flick the screen left or right, then tap the WLAN icon.
3. Tap Wireless LAN setup.

