52Problem Possible Cause and MeasuresThe target access pointis not detectedIf the printer or your computer cannot communicate with the target accesspoint, follow the procedure below.1 Ensure that the access point is on and then click Update in the AccessPoints dialog box.2 If the access point is still not detected, move your printer closer to theaccess point and remove possible obstructions, then click Update.3 Ensure that your computer can communicate with the access point.For details, see “Checking if the computer and the printer (access point) cancommunicate with each other” in the Network Guide.4 Unplug the access point from the power outlet and plug it in, then clickUpdate.• Using your access point’s utility software, check if your access point isset to the stealth mode, i.e., set not to broadcast its SSID, or is set toreject clients whose SSID is set to ANY. If so, click Manual Setup andenter the access point’s SSID in SSID. For details, see “The AccessPoints dialog box is displayed during setup” on page 56.• The wireless channel to be used may be limited depending on wirelessnetwork devices installed in the computer. Confirm the wireless channelsavailable for the network device. For details, refer to the manual providedwith your computer or your wireless network device.Make sure that the channel set to the access point is valid tocommunicate with the computer, confirmed above. If not, change thechannel set to the access point.• Some access points are capable of automatically switching betweenwireless channels. This printer may not be able to connect an accesspoint if its channel is set to automatic or the equivalent, or to a channeloutside of the range 1 to 11. Configure the access point to use anychannel between 1 and 11.• Make sure that there is no barrier or obstacle between the access pointand the printer.Cannot connect to thetarget access point• Confirm the network name/SSID of the target access point and set the printerto use the identical network name/SSID. If the network name/SSID is differentin the printer and the access point, the printer cannot connect to the accesspoint. For details, see “The Access Points dialog box is displayed duringsetup” on page 56.This printer does not support WPA-Enterprise. When you select an access point set touse WPA-Enterprise, it is grayed out and cannot be set up.• Make sure that the printer and the access point can communicate with eachother under this setting. When encryption is set to the access point, set up theencryption of the printer to match the settings of the access point. If the WEP/WPA (encryption key) is different in the printer and the access point, theprinter cannot communicate with the access point. For details, see “How toset a WEP/WPA key” on page 54.