Epson WorkForce Pro WF-7820 All-in-One Inkjet Printer - Manual (Page 290)

290
Print Head Cleaning
If print quality has declined and the nozzle check pattern indicates clogged nozzles, you can clean the
print head.
Note: You cannot clean the print head if an ink cartridge is expended, and may not be able to clean it
when a cartridge is low. You must replace the cartridge first.
Cleaning the Print Head Using the Product Control Panel
Cleaning the Print Head Using a Computer Utility
Parent topic: Print Head Maintenance
Related concepts
Purchase Epson Ink Cartridges and Maintenance Box
Related tasks
Removing and Installing Ink Cartridges
Cleaning the Print Head Using the Product Control Panel
You can clean the print head using the control panel on your product.
1. Make sure there are no errors on the LCD screen.
2. Load a few sheets of plain paper in the product.
3. Press the home button, if necessary.
4. Select Settings > Maintenance .
You see a screen like this:
5. Select Print Head Cleaning .