Epson EPL-N3000 Reference Manual page 249

4. With a clean damp cloth, wipe the pickup roller's rubber
parts.
5. Reattach the pickup rollers as shown below. Then, fit the hook
in the concave part of the shafts to fix them.
Note:
Fit the convex parts of the pickup rollers in the concave parts of the
shaft.
236
Replacing the Consumable Product
rubber parts