Patent ID: 7031633

Claim:
A printer apparatus comprising: a print engine that is operative upon an article to be printed to impart markings upon the article; a fan mounted in said printing apparatus to provide air flow therein; a mist producing device for adding humidity in said printer apparatus to air moving within said printing apparatus; a sensor for detecting humidity within the printer apparatus; a heater for heating air moving within said printer apparatus; a sensor for detecting temperature within the printer apparatus; and a controller for determining if the detected humidity within the apparatus falls within a range of acceptable humidities and the detected temperature within the apparatus falls within a range of acceptable temperatures and provides control of the heater and the mist producing device for control of temperature and humidity within the apparatus; wherein the range of acceptable humidities and acceptable temperatures defines an area of set points of acceptable humidities and temperatures; and wherein while said print engine prints on an article moved in a process direction, said fan provides an air flow across said article in a direction transverse to the process direction.