乐刷收银通电签(新大陆ME50)报错:交易终止?
报错原因:IC参数丢失。乐刷
报错处理:功能列表里按5管理,通电3下载,签新付款pos机2EMV参数下载,大陆2更新EMV参数,报错然后再按1更新公钥,交易完成更新后重新交易。终止如缴纳押金报错,乐刷且卡在缴纳押金处无法退回,通电付款pos机连续按取消。签新
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