CPC G03G 15/5062 (2013.01) [G03G 15/1675 (2013.01); G03G 2215/00067 (2013.01)] | 14 Claims |
1. An image forming apparatus comprising:
an image bearing member configured to bear a toner image;
an image forming portion configured to form the toner image on the image bearing member;
a transfer member configured to form a transfer portion where the toner image is transferred from the image bearing member onto a recording material;
an applying portion configured to apply a voltage to the transfer member; and
an executing portion configured to execute an output operation for forming and outputting a chart formed on a recording material on which a plurality of test images are transferred by applying a plurality of test voltages to the transfer member by the applying portion,
wherein the executing portion changes a difference between a maximum value and a minimum value of the plurality of test voltages based on a kind of the recording material on which the chart is formed.
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