Dell 2150cn/cdn Color Laser Printer - Manual (Page 403)

Maintaining Your Printer 401
4 Select the value with the straight line, and then click the Apply New Settings
button.
5 Click the Start button next to Print Color Regi Chart.
The color registration chart is printed with the new values.
6 Adjust till all straight lines are at the value of 0. Show image of before and
after adjustment will help.
After printing the color registration chart, do not turn off the printer until the
printer motor has stopped running.
NOTE: If 0 is not next to the straightest lines, determine the values and adjust the
printer again.