Troubleshoot a problem 111
1 Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its original wrapper
until you use it.
2 Print the document.
Do vertical dark lines appear on prints?
problem is
solved.
1 Open the front door, and then firmly push it down.
2 Pull out the print cartridge tray.
3 Remove, and then insert the print cartridges.
4 Insert the print cartridge tray, and then close the door.
5 Print the document.
Do vertical dark lines appear on prints?
customer
support.
problem is
solved.