You can select Emulation Setting.
If you want additional PCL fonts and PS fonts, select Store PCL Font and Macro in
The Network(IPv4) Section
Click the Network(IPv4) section and select the network environment from the drop-down list.
You can select Configure Network and Print Network Configuration Page.
Firmware Update Utility
You can update your printer's firmware using the Firmware Update Utility.
From the Start menu, select Programs
Firmware Update Utility.
Download the latest firmware. Click http://support.dell.com.
If your printer is connected with an USB cable, click USB Connected Printer.
Or if your printer is connected with a network cable, click Network Connected Printer.
Click Browse and select the downloaded firmware file.
Dell 2355dn Laser MFP