With the object of providing an imaging method that eliminates the occurrence of transfer ghosts, saves space and lowers costs, and by which image density irregularities do not arise, an imaging method utilized in a reverse-transfer system is disclosed. The reverse-transfer system is provided with, in order going round a photosensitive conductor 1, at least a main-charging stage 2, an exposure stage 3, a reverse-developing stage 4, a transfer stage 5, a separation stage 6 and a charge-stripping stage 7. The separation stage 6 applies a separation shift-bias voltage to the photosensitive conductor 1 surface. The separation shift-bias voltage is 1 kV or more, and is of the same polarity as that of the main-charging voltage that the main-charging stage 2 applies to the photosensitive conductor 1 surface. Making the separation shift-bias voltage 1 kV or more prevents transfer ghosts, and obtains images with a satisfactory absence of image density irregularities.