HP LaserJet P2035 - Manual (Page 83)

4. Dab a lint-free cloth in water, and then scrub the roller as you rotate it toward the back of the product.
NOTE: Do not touch the surface of the roller with bare fingers.
5. Using a dry, lint-free cloth, wipe the pickup roller to remove loosened dirt.
6. Allow the pickup roller to dry completely.
7. Replace Tray 2.
ENWW Clean the product 73