Disclosed is a method of inkjet printing of tone and/or color images at a high efficiency production of hygienic articles. The method provides a reliable system of combining inkjet-printing operations with converting operations on a converting line producing hygienic articles having tone and/or color print images. The method utilizes at least two-inkjet print heads capable of switching between the print heads during malfunctions or maintenance procedures of one of the print heads to provide production continuity at a minimum production loss of hygienic articles.
