Printing Client Side on C#

There are many ways to do that, but for free i have used a very good library named iTextSharp. Please read the following article to implement according to your requirement.
Create PDF document using iTextSharp in ASP.Net 4.0 and MemoryMappedFile
Creating PDF Documents with ASP.NET and iTextSharp
Creating PDF Documents in ASP.NET

Working with images
iTextSharp - Working with images

AS iTextSharp does not have the required feature set to load and process MS Word file formats.

You can use Aspose.Words for .NET

Aspose.Words for .NET

Let me know if you need further help.

Enjoy :)

This may help you

One method to print

<input  type="button" onclick="javascript:window.print();" value="Print" />

another method to print

<div id="div1">
  <input id="Button1"  onclick="javascript:CallPrint('div1')" class="button" type="button" value="Print" />
       </div>

 <script type="text/javascript" language="javascript">
        function CallPrint(strid)
        {
            var prtContent = document.getElementById(strid);
            var docwrite=prtContent.innerHTML;
            var WinPrint = window.open('','','left=0,top=0,toolbar=0,status=0');
            WinPrint.document.open();
            WinPrint.document.write(docwrite);
            WinPrint.document.close();
            WinPrint.focus();
            WinPrint.print();
            WinPrint.close();
//          prtContent.innerHTML=strOldOne;
        }
        </script>