Patent ID: 8155549
Filing Date: 2012-04-10
Classification: G03G

Abstract:
1. A method for carrying out a print job with a digital electrophotographic printing machine, the job having a plurality of sheets to be printed, at least one of the sheets to be printed by recto-printing and verso-printing, the printing machine including a transport belt for transporting sheets, the method comprising: dividing the sheets into batches, at least one of which is an incomplete batch having one or more missing-sheet slots; printing the sheets of the incomplete batch by recto-printing; after the recto-printing step, covering one or more missing-sheet slot(s) of the incomplete batch with approximately sheet-sized toner field(s) on the transport belt; after the covering step, transporting a sacrificial sheet in a last missing-sheet slot preceding a subsequently to be printed sheet, wherein the sacrificial sheet is used only for a recto-printing pass of the sheets; directly transporting the sacrificial sheet out of a printing material path by ejection after the recto-printing pass; and after the ejection, printing at least one of the sheets of the incomplete batch by verso-printing.