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DROP-ON-DEMAND INK DELIVERY SYSTEMS AND METHODS IN CARD PROCESSING SYSTEMS
DROP-ON-DEMAND INK DELIVERY SYSTEMS AND METHODS IN CARD PROCESSING SYSTEMS
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机译:卡处理系统中按需滴送墨水的系统和方法
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摘要
DOD ink delivery systems and methods are described herein that are used in DOD card printing systems of card processing systems for supplying ink for DOD printing on plastic cards of the type that bear personalized data unique to the intended cardholder and/or which bear other card information. The DOD ink delivery system is configured to recirculate the ink, or have a second pressure damper container that provides damping to eliminate large and abrupt spikes in ink pressure which can disturb the meniscus of the ink in each nozzle of the print head generated by a vacuum system, or simultaneously operate a supply pump at a lower flow rate than a return pump during an autofill/autodrain procedure on the ink delivery system.
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