HP
RM2-1834-000CN
is compatible in the following HP Models:
HP Color LaserJet Pro M450 series
HP Color LaserJet Pro M453-M454 - W1Y43A
HP Color LaserJet MFP M478-M479 series
HP Color LaserJet Pro MFP M478-M479 - W1A78A
HP Color LaserJet MFP M477 series
HP COLOR LASERJET PRO MFP M477FNW - CF377A