Kev tswj qhov nruj yog ib qho tseem ceeb heev ntawm lub tshuab luam ntawv flexographic uas siv web-fed. Yog tias qhov nruj ntawm cov ntaub ntawv luam ntawv hloov pauv thaum lub sijhawm pub ntawv, txoj siv yuav dhia, ua rau muaj kev sau npe tsis raug. Nws tseem yuav ua rau cov ntaub ntawv luam ntawv tawg lossis ua haujlwm tsis zoo li qub. Yuav kom ua rau cov txheej txheem luam ntawv ruaj khov, qhov nruj ntawm txoj siv yuav tsum ruaj khov thiab muaj qhov loj me tsim nyog, yog li lub tshuab luam ntawv flexographic yuav tsum muaj lub kaw lus tswj qhov nruj.