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Thin dark vertical line through half-tone images

 
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mascan42
medical school senior


Joined: 08 Apr 2009
Posts: 48

 PostPosted: Thu Oct 05, 2017 8:43 am    Post subject: Thin dark vertical line through half-tone images Reply with quote Back to top

I have a 7170K that is showing a thin line that only appears when there is a half-tone image on the page, like when a photograph is printed. If there is white space or black print, no line shows up.

I've already changed the image corona and grid, and there is no apparent defect on the drum or developing roll. Any ideas?
 
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mascan42
medical school senior


Joined: 08 Apr 2009
Posts: 48

 PostPosted: Thu Oct 05, 2017 10:11 am    Post subject: Reply with quote Back to top

The line is at the join between block A and B of the LED head, but adjusting the alignment even by one pixel leaves a gap.
 
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