Oki IP-7900-21 Advanced Operation Manual page 87

Check the media advance adjustment pattern
CAUTION
- If the correct media advance compensation differs with each print head (each color), set the average value. However, if a color
is predominant in the printed image, set the compensation for this color.
- If the correct media advance compensation differs between the media right and left sides, set the average value.
- If the correct media advance compensation differs between the media right and left sides, it may be cause by a skewed media.
Check that the media is not skewed.
When the media advance
compensation is too low.
When the media advance
compensation is correct.
When the media advance
compensation is too high.
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