Part numbers:
7750 Model
Power Supply Fan - 116-1175-00
Fuser Fan Part - 116-1176-00
Laser Assembly Rear Fan - 116-1841-00

7760 Model
LVPS Fan Part - 127K29332
Rear / Laser Fan - 127K36641
Fuser Fan - 127K29341

Common error codes:
010-391 = LVPS fan failure
010-392 = Rear and Laser fan failure
010-398= Fuser fan failure

Compatible Models:
Phaser 7750B
Phaser 7750DN
Phaser 7750DXF
Phaser 7750GX
Phaser 7760DN
Phaser 7760DX
Phaser 7760GX
WorkCentre 7328
WorkCentre 7335
WorkCentre 7345
WorkCentre 7346