Part numbers:
115R00073, 544P25238, 604K62210, 604K62211, 604K62212, 604K94280, 622S01901, 676K12630

Common error codes:
309.612 = Fuser has reached the end of its life
310.382 = Fuser assembly thermostat is broken
310.377 = Fuser on time failure

Compatible models:
Phaser 7800DN
Phaser 7800DX
Phaser 7800GX
WorkCentre 7545
WorkCentre 7556
WorkCentre 7845
WorkCentre 7855
WorkCentre 7855i
WorkCentre EC7836