Kev tswj nruj yog ib qho tseem ceeb heev ntawm lub web-fed flexographic tshuab luam ntawv.Yog tias qhov nro ntawm cov ntaub ntawv luam ntawv hloov pauv thaum lub sij hawm noj cov ntawv, cov ntaub ntawv siv yuav dhia, ua rau muaj kev sau npe tsis raug.nws tseem yuav ua rau cov ntaub ntawv luam tawm tawg lossis tsis ua haujlwm ib txwm.Txhawm rau ua kom cov txheej txheem luam ntawv ruaj khov, qhov nro ntawm cov khoom siv yuav tsum tsis tu ncua thiab muaj qhov tsim nyog, yog li lub tshuab luam ntawv flexographic yuav tsum tau nruab nrog lub zog tswj.