Lexmark T520 - 20ppm 8MB Par USB Pcl6 Ps3 Ppds Service Manual page 168

4520-xxx
B. Print a copy of the Quick Test Page and check the margin
adjustments printed on the test page. These settings should
be within the range specified in
page
loosening the locknut. Turn the screw a few turns and print a
copy of the Quick Test Page as you check the diamonds on
the left margin. Continue adjusting the screw as you check
the results of each adjustment on a new test page until you
obtain the results you want.
4-6
Service Manual
3-17. The reference screw can be adjusted without
"Print Registration" on