SIMPLE ADJUSTMENT OF PRINTING IMAGE AND MACHINE PARAMETERS FOR AN ELECTROPHOTOGRAPHIC PRINTER OR COPIER

摘要

The invention relates to an operating unit for at least one electrophotographic printing or copying system. The operating unit comprises a display unit, upon which a graphic user surface (64) is displayed. The graphic user surface (64) comprises a graphic representation (74, 76, 78, 82) of at least one setting value for a printing image or machine parameter for a printing unit. The setting value (74, 76, 78) may be introduced by means of the user surface (64). The invention further relates to a graphic user surface (64) and a method for operation of an electrophotographic printing or copying system with at least two printing units.