Lexmark CX931
Printed/copied images present light streaks in paper feeding direction
Clean the printhead by the cleaning wiper.
Here are steps to fixing dog-ear folding on a statement‑size paper if fed in the landscape or Short Edge Fed (SEF) direction on a CX930 or CX931 printer.
Adjusting toner darkness or using the recommended paper can prevent the light print quality issue from happening again.