A method to make possible a safe printing as well as a printing device, a portable external computing device and on a computer readable medium and stored program for carrying a reliable printing

摘要

A method to make possible a safe printing, comprising the steps of:Receiving a with a by an authorized user removably protection protected document is provided, which is to be printed on a printing device (104);Determining that the protected document in its current form cannot be printed (700) on the printing device (104);Searching for a portable external computing device (106) of the authorized user to determining that the protected document in its current form cannot be printed (700), by the printing device (104) by means of a communication to the outside;Receiving a communication from the external computing device (106) in the printing device (104);Transfer of the protected document from the printing device (104) to the portable external computing device (712) on the reception of the communication of the portable external computing device (106); andReceiving an unprotected and printable version of the protected document from the portable computing device (714) by the printing device (104), which consists of..