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First of all, connect the printer to the Laptop. It should pick it up. Insert the driver Cd into the CD drive. The CD drive should spin up it's self, but if it doesn't Double click the CD drive Icon. Then you should get a choice of printers to install. Click the one that applies to your Printer. This will put the driver's on that will make you printer work.
Not sure if there will be other software on the CD, for Photocopying etc.
As for printing from the Net, when you have found something you want to print, just press the printer button that is at the top of the window, on the BACK, FORWARD, DELTE, REFRESH line. If it's not there, you will need to goto that line, right click, you should get another window open, Customize. Find the printer icon, and add it to the bar.