K117sm8e7
8-82
778, 779 Strobe Time Adjustment on Border Pixel
The LED Head Unit consists of 3 image blocks.
If the alignment between Block A / B or Block B / C in the horizontal direction (main scanning
direction) is out of position by “less than 1 pixel gap / overlap”, a weak black (or white) line appears
at the border of the Blocks.
Item No.772 or 773 cannot remove a “less than 1 pixel gap / overlap”.
No.778 or 779 can lengthen or shorten the strobe time for the border pixels.
These compensate the strobe time, not the dot light level.
Decrease the value to shorten the strobe time for a weak black line.
Increase the value to lengthen the strobe time for a weak white line.
Which pixels to be applied which item is as follows.
Item
No.
Setting Item Setting
range
778 Strobe Time Adjustment on Border Pixel (Block A/B) 6 to 14
779 Strobe Time Adjustment on Border Pixel (Block B/C) 6 to 14
No.778 No.779
Block A Block C
The border B/C is overlapping in less than 1 pixel.
Decrease the setting value to short en the strob e time for
these 2 pixels.
This will reduce the strength of the overlap image.
Block B: reference
Block B
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