1. A method comprising: maintaining historical printing device information from a plurality of printing devices within a non-transitory storage medium of a computerized device; maintaining historical actions performed on said printing devices within said non-transitory storage medium of said computerized device; maintaining historical print image quality produced by said printing devices within said non-transitory storage medium of said computerized device; determining which of said historical actions increase said print image quality and which of said historical actions decrease said print image quality, using said computerized device; determining a cost of each of said historical actions; and outputting an action effectiveness report from said computerized device, said action effectiveness report including costs of said historical actions and indicating which of said historical actions increase said print image quality and which of said historical actions decrease said print image quality to provide cost/benefit information of said historical actions.