Specific examples of the binder resin include resins soluble in the above solvent such as polyurethane, polyester, epoxy resins, polycarbonate, acrylic resins, polyvinyl butyral, polyvinyl formal, polystyrene and polyacrylamide. [0078] A coating liquid for forming the charge generating layer can be prepared by first dissolving the binder resin in the above solvent and by dispersing a charge genera