HP LaserJet P2055dn - Manual (Page 105)

4. Press the two black retaining tabs outward until the pickup roller is released from its seat.
5. Remove the pickup roller from the product.
6. Dab a lint-free cloth in water, and scrub the roller.
NOTE: Do not touch the surface of the roller with bare fingers.
7. Using a dry, lint-free cloth, wipe the pickup roller to remove loosened dirt.
ENWW Clean the product 93