Patent ID: 8064795

Claim:
A process cartridge, comprising: a photoreceptor; and at least one member selected from the group consisting of a charger, an imagewise light irradiator, an image developer, and a cleaner, wherein the photoreceptor comprises an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, comprising a charge generation material and a charge transport material, wherein the charge transport material has the following formula (1): wherein R1 and R2 independently represent a hydrogen atom, or a group selected from the group consisting of substituted and unsubstituted alkyl groups, substituted and unsubstituted cycloalkyl groups, and substituted and unsubstituted aralkyl groups; and R3, R4, R5, R6, R7, R8, R9, and R10 independently represent a hydrogen atom, a halogen atom, or a group selected from the group consisting of cyano groups, nitro groups, amino groups, hydroxyl groups, substituted and unsubstituted alkyl groups, substituted and unsubstituted cycloalkyl groups, and substituted and unsubstituted aralkyl groups.