Part
RG5-4132-170CN
is compatible in the following Printers:
LaserJet 2100 - C4170A
LaserJet 2100 - C4170AR
LaserJet 2100M - C4171A
LaserJet 2100M - C4171AR
LaserJet 2100Se - C4138A
LaserJet 2100TN - C4172A
LaserJet 2100TN - C4172AR
LaserJet 2100Xi - C4139A