CPC B41J 11/007 (2013.01) [B41J 11/0095 (2013.01); B41J 11/46 (2013.01); B41J 29/393 (2013.01); G03G 15/5062 (2013.01)] | 5 Claims |
1. An image forming apparatus comprising:
a conveyor configured to convey a recording medium based on a prescribed amount of conveyance;
an image forming device configured to form an image on the recording medium conveyed by the conveyor;
a marker configured to add a plurality of orderly-arrayed marks on the recording medium when the recording medium is conveyed by the conveyor;
a detector configured to detect the plurality of orderly-arrayed marks on the recording medium; and
circuitry configured to:
calculate an amount of movement of the plurality of orderly-arrayed marks detected by the detector, and
correct the prescribed amount of conveyance of the recording medium based on the amount of movement; and
a roller configured to contact the recording medium and rotate as the recording medium is conveyed by the conveyor,
wherein the marker is disposed on the roller.
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