Hi,
Locate the IP address of your printer (shown on the startup page or configuration page)
If you use firefox as browser;
Open the firefox browser
Go to the File menu and select Preferences
Click the Advanced (gear icon) across the top of the window
Select the Network tab and click the Settings button
Type the IP address of the printer into the field labeled "No proxy for:"
Click ok, restart FireFox and type the printer IP address to access the internal web page
If you use safari as browser:
Locate the IP address of your printer (shown on the startup page or configuration page)
Open Safari; Go to the File menu and select Preferences
Click the Advanced (gear icon) across the top of the window
Locate Proxies and select Change Settings; this will open the Network preferences
Type the IP address of the printer into the field labeled "Bypass proxy settings for these Hosts & Domains:"
Click Apply Now, restart Safari and type the printer IP address to access the internal web page.
For more details on setting IP you can refer the manual from the below link
Refer page 24
http://www.xante.com/support/aw4g/manuals/PDF/AW4G%20QuickRefManual.pdf
Please leave me comment, if you need further assistance
Rnj VINODKUMAR