Importance

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Abstract

A method of controlling a printing unit is disclosed. The printing unit comprising a plurality of printing couple pairs, each printing couple pair comprising a plate cylinder and a blanket cylinder and an inking system associated with each printing couple pair operable to supply ink to printing plates mounted on the plate cylinders of said printing couple pairs. The printing unit also comprises a primary module carrying the printing couple pairs and, a pair of secondary modules carrying the inking systems, the secondary modules being movable relative to the primary module from an operative into a non-operative position in which each secondary module is separated from the primary module. The printing unit further comprises apparatus for loading/unloading printing plates from the plate cylinders of the printing unit and the method includes the step of unloading printing plates from the plate cylinders of the printing unit using said apparatus whilst the secondary modules are moving relative to the primary modules into their non-operative positions.

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First Claim