
Feem ntau muaj cov neeg siv khoom uas tsis tuaj yeem qhib lawv cov scanners vim lawv nrhiav tsis tau tus lej S/N lossis tus lej daim ntawv tso cai.
Cov lus qhia hauv tsab ntawv xov xwm no yuav qhia koj yuav ua li cas qhib koj lub scanner sai sai. Nyem rau ntawm cov duab kom paub ntau ntxiv.