Ricoh SP 8400DN Field Service Manual page 1103

3.
Remove the pressure roller temperature sensors from the harness guide.
Fusing Thermopiles
1. Remove the fusing unit. (Replacement)
2.
Remove the fusing thermopile unit [A].
3.
Remove the fusing thermopiles [A].
Notes When Reassembling the Fusing Unit
Route the harnesses for the pressure roller temperature sensor and the fusing roller temperature sensor correctly
when reassembling the fusing unit.
The harness [A] for the pressure roller temperature sensor has black and white wires. Routing starts from the
4.Replacement and Adjustment
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