Ricoh SP 8400DN Field Service Manual page 1400

7.Detailed Descriptions
Fusing
Overview
This product uses a QSU-DH fusing system, in which a heater emits light to heat a fusing belt.
No.
1 Thermopile
2 Heating Sleeve Belt
3 Stripper Plate
4 Fusing Exit Guide Plate
5 Pressurizing/depressurizing Lever
No. Description
1 Thermopile (edge)
2 Thermopile (center)
662
Description
6
7
No.
6 Pressure Roller
7 Pressure Roller Temperature Sensor
8 Fusing Entrance Guide Plate
9 Thermostat
10 NC Sensor
No.
Thermistor (center)
Thermostat (center)
Description
Description