Electrophotographic photoconductor

The electrophotographic photoconductor comprising:

• an electroconductive support and a photoconductive layer thereon,
• wherein said photoconductive layer comprises a charge generating material, an electron transporting material and a hole transporting material,
• wherein said electron transporting material is a diphenoquinone compound represented by the following formula (1) and said hole transporting material is a compound represented by the following formula (2):
• wherein R1-R3 independently represent an saturated hydrocarbyl group, R7-R11 independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, d is an integer of 0 or 1, Z represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxyl group, a substituted or unsubstituted aryl group, or a group represented by the following formula (A), or R7 and Z define a ring fused to the aromatic ring of the formula (2), R12 and R13 independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxyl group, a substituted or unsubstituted aryl group, p is an integer of 0 or 1