MF4410/MF4412) -----------------------------------------------------------------4-80Before Removing the Drive BeltDuplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520) ------------------------------------------------------------------------4-82Removing the Drive BeltDuplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520) ------------------------------------------------------------------------4-82Before Removing the Main MotorSingle-sided models (MF4450/MF4452/MF4453/MF4430/MF4420n/MF4410/MF4412) -----------------------------------------------------------------4-85Removing the Main MotorSingle-sided models (MF4450/MF4452/MF4453/MF4430/MF4420n/MF4410/MF4412) -----------------------------------------------------------------4-85Before Removing the Main MotorDuplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520) ------------------------------------------------------------------------4-88Removing the Main MotorDuplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520) ------------------------------------------------------------------------4-88Before Removing the Main FanDuplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520) ------------------------------------------------------------------------4-91Removing the Main FanDuplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520) ------------------------------------------------------------------------4-91Before Removing the Engine Controller PCBModels with FAX (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/MF4450/MF4452/MF4453) -----------------------------------------------------4-93Removing the Engine Controller PCBModels with FAX (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/MF4450/MF4452/MF4453) -----------------------------------------------------4-93Before Removing the Engine Controller PCBModels without FAX (MF4430/MF4420n/MF4410/MF4412/D550/D520) -4-96Removing the Engine Controller PCBModels without FAX (MF4430/MF4420n/MF4410/MF4412/D550/D520) -4-96Before Removing the Main Controller PCBModels with FAX (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/MF4450/MF4452/MF4453) -----------------------------------------------------4-99Removing the Main Controller PCBModels with FAX (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/MF4450/MF4452/MF4453) -----------------------------------------------------4-99Before Removing the Main Controller PCBModels without FAX or NET (MF4430/MF4410/MF4412/D550/D520) ----4-100Removing the Main Controller PCBModels without FAX or NET (MF4430/MF4410/MF4412/D550/D520) ----4-100Before Removing the Main Controller PCBModel without FAX, with NET (MF4420n) -------------------------------- 4-102Removing the Main Controller PCBModel without FAX, with NET (MF4420n) -------------------------------- 4-102Before Removing the FAX-NCU PCBModels with FAX (100V) ------------------------------------------------------ 4-102Removing the FAX-NCU PCBModels with FAX (100V) ------------------------------------------------------ 4-102Before Removing the FAX-NCU PCBModels with FAX (120V/230V)----------------------------------------------- 4-103Removing the FAX-NCU PCBModels with FAX (120V/230V)----------------------------------------------- 4-103Before Removing the Pseudo CI PCBModels with FAX (100V) ------------------------------------------------------ 4-103Removing the Pseudo CI PCBModels with FAX (100V) ------------------------------------------------------ 4-103Before Removing the Paper Leading Edge Sensor -------------------- 4-104Removing the Paper Leading Edge Sensor------------------------------ 4-104Before Removing the Fixing Delivery/Paper Width Sensor PCB --- 4-107Removing the Fixing Delivery/Paper Width Sensor PCB ------------- 4-107Before Removing the Toner Sensor and Multi Pickup Sensor UnitModels with FAX (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/MF4450/MF4452/MF4453) --------------------------------------------------- 4-110