Lexmark M52 Series Service Manual page 404

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Adjust the screw until the aligner roller plate is offset by 31 mm as shown in the following image. This setting is
the nominal point to minimize the amount of adjustment needed.
Continue to Step B.
Step B
Print a Quick Test Page, and then check the top alignment indicators on the test page. The difference in the
print location to the top edge of the paper between the left and right alignment indicators should be 0.5 mm
(one dot) or less. Depending on the skew, turn the screw either clockwise or counterclockwise using a 3‑mm
hex wrench, and print a copy of the Quick Test Page to check the arrow indicators on the top and bottom
margins. Continue adjusting the screw as you check the results of each adjustment on a new test page until
the top image skew is below 0.5 mm. One full 360-degree turn of the aligner screw changes the top edge skew
by roughly 1 mm (2 alignment indicator dots).
Adjustment is typically 0–2 rotations. More than 3–4 turns, in either direction from the 31 mm nominal spot, is
not necessary and may indicate other issues with the tray (such as problems with the tray paper guides, pick
rollers, or transfer roller). If the top and bottom skew are below 0.5 mm, then the alignment process is complete.
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