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Main Scan Adjustment: White, Black Vertical Lines
1.
Check the printed pattern at LPH 1-2 for white or black lines.
2.
If there are no lines, no adjustment is necessary.
If you see white or black lines at LPH 1-2, go to the next step.
!
White lines occur if too few LEDs come on at the joint.
Black lines occur if too many LEDs come on at the joint.
!
3.
Left line:
!
If the left line is white, adjust SP2952-1 to a smaller value.
!
If the left line is black, adjust SP2952-1 to a larger value.
4.
Right line:
If the right line is white, adjust SP2952-2 to a smaller value.
!
!
If the right line is black, adjust SP2952-2 to a larger value.
5.
After the adjustment, feed the blank sheet again to print one more pattern.
6.
Check the results of the adjustment.
7.
Do the adjustment again until the lines appear faint.
!
The lines cannot be completely erased.
SM
3-83
SP Adjustments
B286/B289
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Troubleshooting
