Appendix D. Additional functions 34Appendix D. Additional functionsThe following are additional functions you can use through EWS (EmbeddedWeb Service).Printer properties settingsYou can check and modify printer and document properties for an installedprinter. For properties that are not supported by the printer driver, an errormessage indicating that the property is not supported is displayed. Thesesettings are used only for printing from this system to the printer. However,these settings do not affect the printer properties of the network printer.Firmware upgrade (HTTP)You can upgrade your printer’s firmware using the HTTP protocol. First, youneed to download firmware from the Dell website (http://suport.dell.com.)NOTE: Before upgrading the firmware, make sure that TCP/IP parameters areentered in the print server.1 Run your web browser and access Embedded Web Service.2 Click Printer Settings Maintenance Update Print ServerFirmware.3 Click Browse, and then select the downloaded new firmware.4 Click Update Printer Firmware.NOTE: It takes a few minutes to upgrading the firmware. After completely upgrade,the printer will be reset.Default setting (HTTP/SNMP)You can reset all of your network parameter settings to their default status.NOTE: All default parameters will be applied after the print server restarts.IP filteringThis security feature (IP Filtering) provides the ability to preventunauthorized network access to the network print server based on IPaddresses set by a network administrator using EWS.1 Run your web browser and access Embedded Web Service.2 Select Printer Server Settings Other Features IP Filtering Enable.