Epson Printer WF-C5790

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 ink is expended, and may not be able to clean it when ink is low.

You must replace the ink pack first.

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 > Print Head Cleaning.

Warning: Only use plain paper in the sizes specified for cleaning.

Select the paper source to clean

Settings > Maintenance > Paper Guide Cleaning selected

On-screen instructions followed

Is the paper clean after the procedure?

Note: If the paper is still smeared or scuffed, repeat these steps to clean the other paper sources.

Sign off on the paper guide cleaning

If your printouts become too light, or you see dark or light bands across them, you may need to clean the print head nozzles.

Cleaning uses ink, so clean the nozzles only if print quality declines.

You can check for clogged nozzles before you clean them so you don’t clean them unnecessarily.

Note: You cannot clean the print head if ink is expended, and may not be able to clean it when ink is low.

You must replace the ink pack first.

You can print a nozzle check pattern to check for clogged nozzles.

Checking the Nozzles Using the Product Control Panel

You can check the print head nozzles using the control panel on your product.

Warning: Make sure there are no errors on the LCD screen.

Load a few sheets of plain paper in the product.

Press the home button, if necessary.

Select Settings > Maintenance > Print Head Alignment.

Select one of the following options

Follow the on-screen instructions to print an alignment sheet.

Note: Do not cancel printing while you are printing head alignment patterns.

Check the printed patterns on the alignment sheet and select the following on the LCD screen, depending on the alignment pattern you printed

Ruled Line Alignment: Select the number representing the pattern with the least amount of separation or overlap. Select the number representing the pattern with the least misaligned vertical line.

Warning: Follow the on-screen instructions when replacing the maintenance box.

Do not remove the maintenance box or its cover except when replacing the maintenance box.

Do not touch the green chip on the side of the maintenance box.

Do not tilt the maintenance box after removing it or ink may leak.

Do not touch the openings in the maintenance box or you may get ink on you.

Do not drop the maintenance box or subject it to strong shocks.

If you cannot replace the cover, the maintenance box may not be installed correctly. Remove and reinstall the maintenance box.

Do not store the maintenance box in high or freezing temperatures.

Caution: Do not reuse a maintenance box that has been removed and left uninstalled for a long period.