1. A method for facilitating calibration of turn-on energy of a fluid-ejecting marking device, the method comprising the steps of: printing a reference object at a first energy level with the fluid-ejecting marking device, the reference object being printed on a substrate of a first type; printing a plurality of test objects at different energy levels with the fluid-ejecting marking device, the plurality of test objects being printed on one or more substrates of the first type; identifying one or more test objects (“selected test object(s)”) of the plurality of test objects that resemble(s) the reference object; identifying (an) energy level(s) or data related to (an) energy level(s) (“identified energy level(s)”) used to print the selected test object(s); calculating data pertaining to a turn-on energy (“calculated data”) for the fluid-ejecting marking device based at least upon the identified energy level(s); and outputting the calculated data.