Move your wireless access point (wireless router) to minimize interference
There may be temporary interference from other devices such as microwave ovens or other appliances, cordless phones, baby monitors, and security system cameras. Make sure your wireless access point (wireless router) is not positioned too closely to these devices.
Try adjusting external antennas
Generally, antennas work best if they are pointing straight up. You may find, however, that reception improves if you experiment with different angles for your printer and/or wireless access point (wireless router) antennas.
Move your computer and/or printer
Move the computer and/or printer closer to the wireless access point (wireless router). Although the possible distance between devices in 802.11b or 802.11g networks is 300 feet, the effective range for optimal performance is generally
You can find the signal strength of the network on the network setup page. For information on how to print a setup page, see “Printing a network setup page” on page 23.
Check security keys
Make sure security keys are correct. For more information, see “Check your security keys” on page 74.
Check MAC address
If your network uses MAC address filtering, provide the MAC address for the printer to your network. If you need help finding the MAC address, see “Finding the MAC address” on page 22.
Ping the wireless access point (wireless router) to make sure the network is working
1If you do not already know it, find the IP address of the access point. a Click:
•In Windows Vista: 
All Programs Accessories Command Prompt.
•In Windows XP and earlier: Start Programs or All Programs Accessories Command Prompt.
bType ipconfig.
cPress Enter.
•The “Default Gateway” entry is typically the wireless access point (wireless router).
•The IP address appears as four sets of numbers separated by periods, such as 192.168.0.100. Your IP address might also start with the numbers 10 or 169. This is determined by your operating system or wireless network software.
2Ping the wireless access point (wireless router). a Click:
•In Windows Vista: 
All Programs Accessories Command Prompt.
•In Windows XP and earlier: Start Programs or All Programs Accessories Command Prompt.
bType ping followed by a space and the IP address of the wireless access point (wireless router). For example:
ping 192.168.0.100
cPress Enter.
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