9.Image Quality Problem: Lines
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9. Image Quality Problem: Lines
Streaks
Horizontal Black Streaks (Image Edge)
Uneven density occurs at 11mm interval on the right edge in the paper feed direction. It does not occur
within 90mm from the paper trailing edge.
Cause
If the rotation speed of the paper transfer roller is faster than the rotation speed of the transfer timing
roller, paper is pulled between the both rollers. This causes uneven density because a sheet of paper is
in contact and non-contact with the intermediate transfer belt at the nip of the paper transfer rollers.
This is likely to occur if:
Printing in the low temperature and low humidity condition.
Printing a halftone image
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