Check9 Make sure that the channel confirmed in Check 8 can communicate with thecomputer.If not, change the channel set to the access point.Check10 Make sure that the firewall of the security software is disabled.If the firewall function of your security software is turned on, a message may appear warning that Canonsoftware is attempting to access the network. If the warning message appears, set the security software toalways allow access.If using any programs that switch the network environment, check their settings. Some programs will enable afirewall by default.Check11 When using a router, connect the printer and computer to the LAN side(same network segment).Check12 When the printer is connected to an AirPort Base Station via a LAN, usealphanumeric characters for the name of the network (SSID).If the problem is not resolved, perform setup again according to the instructions on our website.• For placement:Make sure that there is no barrier or obstacle between the access point and the printer.Cannot Communicate with the Printer Using the Access Point ModeCheck1 Make sure that the printer is turned on.Check2 Is Change LAN in LAN settings under Device settings set to LAN inactive,Wireless LAN active, or Wired LAN active?Select AP mode active.Check3 Is the printer selected to connect external communication devices (e.g.computers, smartphones, or tablets)?Select an access point name (SSID) specified for the printer as a destination for external communicationdevices.Check4 Enter a password if you specify it for the printer.Check5 Make sure that external communication devices are not placed far away fromthe printer.Do not locate external communication devices too far away from the printer.Check6 Make sure that there is no obstruction.Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.340
