Patent ID: 8665470

Claim:
An expected service life value display method for displaying an expected service life value for each replaceable unit in media processing device having at least one media drive and a label printer as replaceable units, the method comprising: executing by a host computer in communication with the electronic device the steps of: acquiring maintenance counter information that is stored in the media processing device and includes a cumulative usage time related to a head of the media drive used with media of a specific type; acquiring a total print count of the label printer; calculating the (cumulative usage time/assured time) as the expected service life value for each head based on the acquired maintenance counter information and an assured time that is preset for each head used with media of the specific type; and displaying the maximum value of the expected service life value calculated for each head on a display unit as the expected service life of the media drive, and displaying (the total print count)/(a maximum print count to which printer durability is assured) as the expected service life value of the label printer on the display unit.