clean the printheads
Use this feature when the Self-Test Report shows streaking or white lines through
any of the colored bars. Do not clean printheads unnecessarily. This wastes ink
and shortens the life of your printheads.
1
Press Menu.
2
Press 7, then press 2.
This selects the Status and Maintenance menu, then selects the Clean
PrintHeads option.
If copy or print quality still seem poor after you clean the printheads,
replace the printhead that is affected.