Now technology is doing many magic through androids and smart phones. Taking print from your smart phone is easy. For this your phone and printer should be compatible for wireless printing with technology mediums like Google cloud print or apple air print. First email the requirement and upload it through Bluetooth or USB connection in between phone and computer or you can use an app to transfer files. Once the file transfer is done then decide how you need prints means size of the print and adjust the paper as per your size requirement..