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Banding Reduction in Electrophotographic Process Using Piezoelectric Actuated Laser Beam Deflection Device

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Banding is an image artifact that appears as peroidic light and dark bands across a page. This paper presents an experimental study on the application of a piezoelectric laser beam deflection device to reduce banding in the electrophotographic process. Banding is characterized using several different measurement techniques. An empirical model of the actuator is obtained using system identification techniques by measuring the laser beam position on-line using an optical sensor. An open loop control strategy is then proposed and implemented. Experimental results showed significant improvements with the images printed using beam deflection control.

Document Type: Research Article

Publication date: January 1, 2000

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  • 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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