Method for operating rotary offset printing machine, involves cleaning respective printing unit before expiration of other printing unit, and printing unit simultaneously with respect to expiration of other printed matter

摘要

The rotary offset printing machine operating method involves successively arranging and cleaning several blankets in alternately operated printing mechanisms at specific intervals. The respective printing unit is cleaned before the expiration of the other printing unit. The printing unit is cleaned simultaneously with respect to expiration of the other printed matter.