the photoconductor of an electrophotographic recording material comprising an electrically conductive support , an optional insulating interlayer , and a photoconductive single layer containing a binder , a dye or pigment sensitizer and a pyrimidopyridobenzimidazole charge transporting compound represented by the formula ## str1 ## wherein r 1 and r 2 are identical or different and are hydrogen or an r 3 , r 4 n group ; r 3 and r 4 are identical or different and are - alkyl , hydroxy -- alkyl , phenyl or benzyl which are unsubstituted or - alkyl - substituted , or , together with the n atom to which they are bonded , are an imidazolyl or triazolyl group ; and r 5 is a benzothiazole , a benzoxazole or a benzimidazole group , is photosensitive in the visible range around 430 to 500 nm and can be sensitized for the longer - wavelength region with dyes .