Printing of documents from a computer

摘要

A method of printing a document from a computer with a printer is provided, together with a computer 8 and a printer 9 adapted to perform necessary steps of the method. The printer 9 has a printer processor 4. The method comprises generating 1 in the computer 8 instruction data (such as page description language) to enable the printer 9 to print the document, generating in the computer 8 resource information 31 indicative of printer processor resources required by the printer 9 at different stages of printing the document, and sending the instruction data and the resource information from the computer 8 to the printer 9. The printer processor 4 is adapted to schedule printer processor resources for the different stages of printing the document in accordance with the resource information, and printing the document with the printer processor resources as scheduled. Advantageously, the resource information is provided as comments in the page description language, located for example in page headers. This mechanism allows the printer to learn in advance of receiving pages of a job how its resources should be scheduled to prevent printer stalls. <IMAGE>