rf IDEAS B815 Ruaj Ntseg Koj Phau Ntawv Qhia Ib puag ncig kev luam ntawv
Kawm paub yuav ua li cas kom ruaj ntseg koj qhov chaw luam ntawv nrog B815 Secure Print tov. Tiv thaiv cov ntaub ntawv rhiab heev, ua raws li cov cai, thiab tiv thaiv kev nkag mus tsis tau tso cai siv cov yuam sij cryptographic thiab cov neeg nyeem tsis muaj ntawv pov thawj.