Multi-color printing press with common blanket cylinder

Abstract

A multi-color printing press comprising a first print form cylinder; second print form cylinder; at least one first inking unit for inking the first and second print form cylinders; third print form cylinder; fourth print from cylinder; at least one second inking unit for inking the third and fourth print form cylinders with an ink color different from the at least one first hiking unit; a common blanket cylinder, the first and third print form cylinders contacting the common blanket cylinder during a first mode of operation and the second and fourth print form cylinders contacting the common blanket cylinder during a second mode of operation. A method for printing material comprising the steps of transferring ink from a first inking unit to a blanket cylinder through a first printing form, transferring ink from a second inking unit to the blanket cylinder through a third printing form, moving the first and third printing forms away from the blanket cylinder, transferring ink from the first inking unit to the blanket cylinder through a second printing form, and transferring ink from the second inking unit to the blanket cylinder through a fourth printing form.

Dependencies are inferred from the claim text.