"This printer maintenance kit offered by HP consists of a fusing assembly, a transfer roller, a tool for removing the transfer roller, a tray 1 pickup roller, 3 feed rollers, tray 1 separation pad and 3 separation rollers."
"The U6180-60001 is a maintenance kit (120V). It includes fuser roller assembly, transfer roller assembly, Tray 1 and Tray 2 pick-up rollers, Tray 1 and Tray 2 separation pads."