| 摘要 |
There is provided an image forming apparatus which can control reciprocation of a carriage and paper feed in a highly accurate manner and form an image of high quality even when paper skews or paper of a different type from that of the paper set is supplied. An ink jet printer ( 1 ) provided with a motion sensor ( 70 ) in a carriage ( 31 ) determines the type of paper (P) by using a paper position signal output by the motion sensor ( 70 ) and changes printing conditions in accordance with the type of paper. Also, the ink jet printer ( 1 ) calculates a moving amount of the carriage ( 31 ), a feed amount and a deviation amount of the paper (P), and controls the reciprocation of the carriage ( 31 ) and the feeding of the paper (P) based on calculated values.
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