Image forming apparatus
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United States of America Patent
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Jul 30, 2024
Grant Date -
Mar 30, 2023
app pub date -
Sep 26, 2022
filing date -
Sep 26, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes a light scanning device, a developing portion, a control portion and a storage portion. The storage portion stores an evaluation chart. The evaluation chart includes a first evaluation pattern and a second evaluation pattern. The first evaluation pattern includes a first patch row. The first patch row is formed by arranging a plurality of first evaluation patches. The first evaluation patch includes a first dot row and a second dot row. The second evaluation pattern includes a second patch row. The second patch row is formed by arranging a plurality of second evaluation patches.
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