The HP RM2-3899-000CN Kit-Trays 2 or 3 Roller/Separation Pad is a printer tray service part for replacing the roller and separation pad assembly. It is identified as a roller/separation pad tray for tray 2 or tray 3.
The listed compatible HP printer models include M725dn, M725f, M725z+, M725z, M725dnm, M725zm, 700 M712DN and M5035xs. The part number RM2-3899-000CN identifies this particular kit for ordering and replacement-part reference.