Laser printer print defects - Creases

Problem	Possible Cause	Solution
creases	Paper is loaded incorrectly.	Make sure print media is loaded into tray correctly, and that the tray guides are adjusted properly to fit against the paper stack.
creases	Determine the cause by performing a half-way test to isolate the defective component.	Replace defective component. Common possibilities include slipping paper pickup assembly, slipping feed assembly, slipping fuser assembly.