Enwere ike ibipụta ọkọlọtọ n'ụdị duplex a n'ụzọ digitily n'akụkụ abụọ nke akwa otu akwa.Na akwa dị mma na ink ibipụta na-enyere aka na-eme ka agba dị egwu karị.Mmetụta mbipụta enyo na-eme ka akara gị na akara ngosi gị kpughee okpukpu abụọ.