Main Unit 2 - Ricoh D093 Service Manual

Jam Code Tables, Cover Open

Main Unit 2

No. Name
1 Exit Cover Sensor
2 Fusing Lamp
3 Hot Roller Thermistor
4 Thermostat 1 (199°C)
5 Fusing Exit Sensor
Pressure Roller Thermistor
6
2 (Center)
Pressure Roller Thermistor
7
1 (End)
8 Thermostat 2 (200°C)
D093/D094
Function
This detects if the exit cover on the rear of the
machine is open or closed.
One fusing lamp (1100 W) in the hot roller.
The CPU uses this thermistor to monitor the
temperature of the hot roller.
199°C. This safety device prevents overheating if
the temperature control circuit fails.
Detects the leading edge and trailing edge of the
paper as it leaves the fusing unit.
The CPU uses this thermistor to monitor the
temperature of the pressure roller at the center.
The CPU uses this thermistor to monitor the
temperature of the pressure roller at the end.
This safety device prevents overheating if the
temperature control circuit fails.
7-60 SM