Patent ID: 6973876
Filing Date: 2005-12-13
Classification: B41F

Abstract:
1. A method for a plate changing in a printing press, for rotating all plate cylinders of a plurality of printing units by a drive device, and performing at least one of removal of printing plates from said plate cylinders and supply of printing plates to said plate cylinders by plate changing means provided in correspondence with said plate cylinders, comprising: an abnormality detection step of detecting presence or absence of a plate changing abnormality by a detector provided in correspondence with each of said plate cylinders; a stop step of stopping said drive device when said plate changing abnormality is detected in said abnormality detection step; a return step of controlling at least one of said drive device and said plate changing means of a normal unit, other than an error unit in which said plate changing abnormality has been detected, in accordance with a status of progress of plate changing in said normal unit after said stop step; and an error elimination step of eliminating said plate changing abnormality in said error unit, in which said plate changing abnormality has been detected, after said stop step.