摘要 |
<p>A method for printing a document from a computer including transmitting instructions for printing the document from the computer to a printer, printing the document on the printer in accordance with the instructions received from the computer, and also printing on the document coded data indicative of an identity of the document and a plurality of reference points on the document, wherein the coded data is printed on the document in a form which can be read by an optical sensing device to identify a location of the sensing device relative to the document, thereby enabling a function to be invoked in relation to the document.</p> |