Lower output shaft bushing (right) HP LJ 5000/5100, RB2-1988, RB2-1988-020CN

The HP RB2-1988-020CN is the right-side bushing for the lower delivery roller in compatible LaserJet printers. It belongs to the paper output mechanism, where it is listed alongside the lower delivery roller shaft assembly.

This part is identified specifically for the right side; the parts list distinguishes it from the separate left-side bushing. It is listed for the HP LaserJet 5000GN and 5100DTN, helping identify the intended printer fitment.