After an application of a first AC voltage for selecting a peak-to-peak voltage of a charging AC voltage for charging an image forming area of an image bearing member and before an application of a charging AC voltage, there is applied a second AC voltage having a peak-to-peak voltage larger than a peak-to-peak voltage of the first AC voltage.

 
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> Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountable
~ 00315