Copy Has Vertical Black Streaks
Solution
This section describes what you should do if the vertical black streaks appear on the output.
Make sure you load paper that meets the requirements for use.
NOTE
For information on the Paper Requirements, see "Paper Handling."
Clean the feeder roller, and the scanning area.
NOTE
For instructions on how to clean the machine, see "Cleaning the Machine."
Clean the fixing unit.
NOTE
For instructions on how to clean the fixing unit, see "Cleaning the Machine."
Make sure that the toner cartridges are properly installed.