5. Touch "COPY Window" to go to the copy display.
6. Select one of the rolls for paper feed.
7. Feed a blank sheet of paper into the machine, then press [Start].
8. Check the printed pattern:
• If you see vertical white or black lines, do the vertical line adjustments (See the next section,
"Main Scan Adjustment: White or Black Vertical Lines").
• If you see the areas are not aligned, do the misalignment adjustments (See below, "To Adjust
the LPH for Misalignment").
• If you see vertical white/black lines and misalignment, do the vertical line adjustment first.
Main Scan Adjustment: White or 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. Replacement and Adjustment
410
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