Route the harnesses for the pressure roller temperature sensor [A] and the fusing roller temperature sensor [B] correctly when reassembling the fusing unit.
Harness [A] for the pressure roller temperature sensor has black and white wires. Routing starts from the bottom of the fusing unit, then the rear, and to the side.
Harness [B] for the fusing roller temperature sensor has black, white, and blue wires. Routing starts from the bottom of the fusing unit, then the rear, and to the top.