Patent ID: 6783221
Filing Date: 2004-08-31
Classification: B41J

Abstract:
In a phase change ink image producing machine having a printhead system using phase change ink, a phase change waste ink control method comprising:(a) performing a waste ink producing event for producing phase change waste ink from said printhead system; (b) collecting, accumulating and coalescing said phase change waste ink within a waste ink gutter assembly having a heating device; (c) maintaining said heating device in an off mode; (d) comparing a value of phase change ink accumulated within said waste ink putter assembly with a control value therefor, and periodically turning said heating device on for heating and melting coalesced phase change waste ink within said waste ink gutter assembly, when said value of phase change ink accumulated within said waste ink putter assembly has reached said control value therefor; and (e) collecting melted phase change waste ink from said waste ink gutter assembly into a waste ink collection container.