Patent ID: 8926077
Filing Date: 2015-01-06
Classification: B41J

Abstract:
1. An ink supply system for ink jet printers comprising: a first reservoir for containing a recirculating ink supply, said first reservoir having an outlet and an inlet; a recirculation pump configured to provide a substantially pulseless flow of ink within said system, said recirculation pump having a suction side for receiving a supply of ink from said outlet and a pressure side; a heating assembly having an inlet for receiving ink from said pressure side with a filter interposed therebetween, and having an outlet, said heating assembly comprising: a printhead ink supply conduit to which is mounted a first pressure sensor and a first temperature sensor to detect supply ink pressure and temperature; a recirculating ink jet printhead having an supply ink intake for receiving supply ink from said printhead supply conduit and return outlet for conveying unejected ink; a return ink conduit for receiving ink from said return outlet, said return ink conduit being in fluid communication with said inlet to first reservoir and comprising a second pressure sensor and a second temperature sensor mounted thereto to detect return ink pressure and temperature.