check the print head nozzles using a utility on your Windows or Mac
Load a few sheets of plain paper in the sheet
Do one of the following:
Windows: Access the Windows Desktop and
right-click the product icon in the Windows taskbar.
OS X: In the Apple menu or the Dock, select
System Preferences. Select
Print & Fax,
Print & Scan, or Printers & Scanners, select your
product, and select Options &
Supplies. Select Utility
and select Open Printer
Check. You see a window like this:
Check the printed pattern to see if there are gaps in the
Print head is clean
Print head needs
If there are no gaps, click Finish. If there are gaps or the
pattern is faint, clean the print head.
If you don’t
see any improvement after cleaning the print head up to 4 times,
wait at least 6 hours. Then try cleaning the print head again. If
quality still does not improve, one of the ink cartridges may be
old or damaged and needs to be replaced.