Epson WF-6590 User Manual page 128

User's Guide
Replacing Ink Cartridges and Other Consumables
4. Turn the printer around, and then open the printer's rear cover.
5. Remove the screws by a screwdriver and remove the cover on the rear of inside the printer.
6. Slide out two used maintenance rollers, and remove both of them.
7. Insert two new maintenance rollers until they click into place.
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