Updated README

README.md

@@ -1 +1,23 @@
-# WinPrintServer
+# WinPrintServer
+Windows TCP Print Server that will forward raw data directly to a printer
+
+## Usage
+Run `WinPrintServer.exe` without any commandline arguments to present your default printer as a RAW printer on port 9100.
+
+To present a printer other than the default printer, you can specify the printer name on the commandline.
+
+```
+WinPrintServer [options] [printername]
+  -h           Show this help information
+  printername  The name of the printer to print. If not specified the default printer is used
+```
+
+## Example
+
+Present a printer called `EPSON098CEF (WF-3520 Series)` as a RAW printer use the following command. 
+
+```
+WinPrintServer "EPSON098CEF (WF-3520 Series)"
+```
+
+*Note* - Since the printer name has spaces, the name is quoted on the command line