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Method and apparatus for providing a printer having internal queue job management

  • US 5,873,659 A
  • Filed: 04/24/1996
  • Issued: 02/23/1999
  • Est. Priority Date: 04/24/1996
  • Status: Expired due to Term
First Claim
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1. A printing system including a host computer, a printer, and a communications link therebetween, said printing system comprising:

  • (a) a host computer having a storage medium for holding data, a first memory circuit for temporary storage of data, a first communications port that transmits data, and a first processing circuit that controls the routing of data between said storage medium, first memory circuit, and first communications port;

    (b) a printer having a second memory circuit for storage of data including print job information, a second communications port that receives data, a print engine, and a second processing circuit that controls the routing of data between said second memory circuit and second communications port, said second processing circuit also controlling raster image processing of print job information thereby converting said print job information into a bitmap format before being transmitted to said print engine, said second memory circuit being configured to store print job information in a queue, said queue temporarily holding said print job information as separate print jobs until each of said print jobs moves to the head of the queue and becomes the subject of said raster image processing;

    (c) said first processing circuit and said first communications port being configured to transmit a "delete" command, by use of an operation entered by a user at said host computer, to said printer, said "delete" command specifying a particular print job in said queue; and

    (d) said printer being configured to receive said "delete" command, and, after receiving said "delete" command, configured to prevent the print job specified in the "delete" command from becoming the subject of said raster image processing so that this print job is never printed.

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