Canon imagePROGRAF PRO-1000 series User Manual - Page 498

materials containing metal or concrete. If the printer cannot communicate with the computer over a wireless LAN due to a wall, place the printer and the computer in the same room. In addition, if a device like a microwave oven that emits radio waves of the same frequency bandwidth as a wireless router is nearby, it may cause interference. Place the wireless router as far away from interference sources as possible. Check4 Make sure wireless signal is strong. Monitor signal status and move printer and wireless router as necessary. Note • For Windows, monitor signal status using IJ Network Device Setup Utility. Checking Wireless Network Status Check5 Make sure computer network settings are correct. For more on connecting and setting up a network device, see the device instruction manual or contact its manufacturer. Check6 Make sure you are using a valid channel. Usable wireless channels may be limited depending on wireless network device used by your computer. See the instruction manual provided with your computer or wireless network device to check usable wireless channels. Check7 Make sure channel set on wireless router is a usable channel as confirmed in Check 6. If it is not, change the channel set on the wireless router. Check8 Make sure security software's firewall is off. If your security software's firewall is on, a message may appear warning you that Canon software is attempting to access the network. If this warning message appears, set security software to always allow access. If you are using any programs that switch between network environments, check their settings. Some programs use a firewall by default. Check9 If printer is connected to an AirPort Base Station via LAN, use alphanumeric characters for network identifier (SSID). (Mac OS) If the problem is not resolved, redo setup. • For Windows: Use the Setup CD-ROM or follow the instructions on the Canon website. • For Mac OS: Follow the instructions on the Canon website. • Positioning: Make sure there are no obstacles between the wireless router and the printer. 498