Epson Workforce Pro WF-C8690DWF User Manual page 169

User's Guide
8. Insert two new maintenance rollers until they click into place.
Note:
Insert the maintenance rollers by rolling them so that you can insert them smoothly.
9. Reattach the cover inside the back of the printer.
10. Insert rear cover 2.
11. Close rear cover 1.
Replacing Ink Cartridges and Other Consumables
169