From your laptop or computer open any web browser
In the web browser open the Google Cloud Print website
You must make sure that you are logged into your IST Google account
Once you are logged into your account you will see a list of the documents you printed in the past
To send another document to the printer click the Print button and then click "Upload file to print"
Click on the "Select a file from my computer" link and select the file you wish to print
Once you have chosen the file you can choose the printer. If you are based at Elementary you will Select the ES-PRINTER or if based at Secondary select the SS-Printer
Then change the settings for your print job from Monochrome to color (and any other setting you wish to make - Papersize, Duplex, Pages to be printed, etc) and click the "Print" button.
Once your document has the status "In Progress" you can go to the printer and print your document
