Fusing Safety Devices - Ricoh MP 7503SP Field Service Manual

5. Detailed Descriptions
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Fusing Safety Devices

The fusing units are provided with thermostats that trip the power supply to the fusing unit if the unit
overheats. Always pay attention to the placement of thermostats when they are replaced.
The D225 has two thermostats, and the D223/D224 has three thermostats.
1088
Name
Hot Roller
Pressure Roller
Pressure Roller Spring
Pressure Arm
Fusing Pressure Release Sensor
Fusing Pressure Release Motor