![background image](https://i.inkjetdoc.com/HP Deskjet 6988 Printer/en/HP Deskjet 6988 Printer_en118.png)
Automatically clean print cartridges
If the printed pages are missing lines or dots, or if they contain ink streaks, the print
cartridges might be
low on ink
or might need to be cleaned.
If the print cartridges are not low on ink, follow these steps to clean the print cartridges
automatically:
1.
Open the printer
Toolbox
.
2.
Click
Clean the Print Cartridges
.
3.
Click
Clean
, and then follow the onscreen instructions.
If the documents are still missing lines or dots after cleaning,
replace the print cartridges
.
Caution
Clean print cartridges only when necessary. Unnecessary cleaning
wastes ink and shortens the life of the cartridge.