Document number: 4F2C-054
Update date: 2022-01-01
Canon - Troubleshooting (FAQ) > Problems with Wireless LAN Connection > Connection Is Unstable (Slow or Cannot Be Established)

Connection Is Unstable (Slow or Cannot Be Established)

Check the network connection status or the settings of the wireless router or access point.

Is the machine correctly connected to the network?

Check the network connection. When the Machine Cannot Connect to the Wireless LAN

Have you checked the settings of the wireless router or access point?

Change the wireless router or access point channels. When multiple wireless routers or access points are used, prevent radio frequency interference by setting far separated channels like "router A: Ch.1, router B: Ch.6, router C: Ch.11."
NOTE
On how to check or configure channel settings, see the instruction manuals for the wireless routers or access points, or contact the manufacturer.
If you can change the radio output power of your wireless router or access point, raise the output power.