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Image forming apparatus performing mark data generating processes twice and determining whether difference between two sets of data based on mark data generating processes is within prescribed range
Image forming apparatus performing mark data generating processes twice and determining whether difference between two sets of data based on mark data generating processes is within prescribed range
In an image forming apparatus, a processor is configured to: determine whether prescribed criterion is met, the prescribed criterion indicating that a non agitation period of time, during which the agitator has not agitated the toner, has passed a predetermined period of time; perform a mark data generating process in which mark data is generated by forming a mark and reading the formed mark when the prescribed criterion is met; perform another mark data generating process in which another mark data is generated by forming another mark and reading the formed another mark after performing the mark data generating process; determine whether a difference between the mark data and the another mark data is within a prescribed range; and determine an adjustment value on a basis of at least one of the mark data and the another mark data when the difference is within the prescribed range.
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