A printing device has a print unit that ejects fluid from ejection nozzles and prints; an ejection test unit that checks if fluid is ejected from the ejection nozzles; a cleaning unit that performs a cleaning process in either a timed cleaning mode that performs a cleaning process at a predetermined interval, or an ejection test cleaning mode that performs a cleaning process based on a test result; a decision unit that determines whether to use the timed cleaning mode or the ejection test cleaning mode based on an operating condition of the print unit; and a mode changing unit that switches the mode between the timed cleaning mode and the ejection test cleaning mode according to the decision by the decision unit.