Electrophotographic photosensitive member, process cartridge, and image forming apparatus

An electrophotographic photosensitive member comprising:

• a conductive substrate;
• and
• a photosensitive layer, wherein
• the photosensitive layer includes a charge generating layer and a charge transport layer,
• the charge generating layer contains a phthalocyanine pigment and a first resin,
• a ratio of a mass of the phthalocyanine pigment to a mass of the first resin is greater than 2.0 and less than 3.5, and
• a ratio A830/A783 of a second absorbance A830 to a first absorbance A783 of the charge generating layer is at least 0.97 and no greater than 1.10, the first absorbance A783 being an absorbance of the charge generating layer with respect to first light with a wavelength of 783 nm, the second absorbance A830 being an absorbance of the charge generating layer with respect to second light with a wavelength of 830 nm
• the charge transport layer contains a hole transport material, a second resin, and an electron acceptor compound,
• the hole transport material includes a compound represented by formula (10),
• the second resin includes a polycarbonate resin including repeating units represented by formulas (20A) and (20B), and
• the electron acceptor compound includes a compound represented by formula (30):
• where in the formula (10), R10 and R11 each represent, independently of one another, an alkyl group with a carbon number of at least 1 and no greater than 6 or an alkoxy group with a carbon number of at least 1 and no greater than 6, R12, R13, R14, R15, R16, R17, and R18 each represent, independently of one another, a hydrogen atom, an alkyl group with a carbon number of at least 1 and no greater than 6, or an alkoxy group with a carbon number of at least 1 and no greater than 6, f1 and f2 each represent, independently of one another, an integer of at least 0 and no greater than 2, and f3 and f4 each represent, independently of one another, an integer of at least 0 and no greater than 5,
• in the formula (20A), R21 and R22 each represent, independently of one another, a hydrogen atom or an alkyl group with a carbon number of at least 1 and no greater than 4,
• in the formula (20B), R23 and R24 each represent, independently of one another, a hydrogen atom or an alkyl group with a carbon number of at least 1 and no greater than 4, and X represents a divalent group represented by formula (X1) or (X2), and
• in the formula (30), R31, R32, R33, and R34 each represent, independently of one another, an alkyl group with a carbon number of at least 1 and no greater than 6:
• in the formula (X1), t represents an integer of at least 1 and no greater than 3, and represents a bond, and
• in the formula (X2), R25 and R26 each represent, independently of one another, a hydrogen atom or an alkyl group with a carbon number of at least 1 and no greater than 4, and represents a bond.