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e-Coil Roller Fusing System for Energy Saving and Long Life

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An original e-Coil roller fusing system whose warm up time could be reduced below in a half compared with a conventional halogen lamp fusing system. The name of e-Coil roller is taken from which the heating coil is expanded by hydrostatic pressure onto the inner section of a heat roller. The e-coil roller fusing system was designed to have the direct heat-conductive structure without any air gap between insulation layers and the heating coil for increasing heat transfer efficiency. Also the e-Coil fusing system has excellent heat conservative capability so that on continuous printing electric power supply to fusing system is unnecessary. Since the heat source, that is the heating coil, rotates with the fusing roller, the rotating electric power supply should be maintained without any problem like spark or the increase of harmful contact resistance. For safety the robust insulation layers are prepared to sustain high withstanding voltage and surge induced by a bolt of lightning. Ni-Cr ribbon type resistive heater used as a heat source of the e-Coil roller have advantages that current is always maintained to be constant unlike the tungsten wire of halogen lamp whose in-rush current drastically increased during early time right after power-on. Major elements of SMPS are damaged that their lives are shortened. In this paper, the e-Coil roller fusing system for 22PPM MFP (Multi Functional Peripheral) is designed to satisfy the main design factors. The important performances like warm up time, power consumption on print, Flicker and additional power saving effect by slow cooling of e-Coil roller are presented and compared with results of halogen lamp fusing system.

Document Type: Research Article

Publication date: 2004-01-01

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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