An electrical interconnect cleaning system cleans an electrically conductive ink residue from a portion of an inkjet cartridge upon removal from an inkjet printing mechanism to prevent short circuiting of the interconnect conductors across the ink residue. An application of the device may be the device being mounted on a commercial hot beverage holder, whereby using the thermal energy from the hot beverage to display visual effects on the display unit. The sequence may define an activation order, a drive level andor temperature for operating one or more sources.