Monitor all windows Print Jobs, write all print job info to file, which can then be used to do further analysis. Print JobInfo contains: Date,Time,JobID,User,Computer,Document, PrinterName,PrinterPort,PrinterServer,PrinterShare, Pages,TotalPages,Copies,Duplex,Color, PaperSize,PaperLength,PaperWidth, BytesPrinted,TotalBytes,PrinterIndex Print jobinfo are wite in .csv format, which can be displayed in MS Excel, or in a TXT Editor( such as Notepad). And this format make the data very easy to be read by another programme, and do further processing, for exammple: One can use this data to generate Report, which disply when/who/how the printers are used.