Ricoh B286 Service Manual page 607

NUMBER
Pressure Roller Thermistor
TH2
1 (Edge)
Pressure Roller Thermistor
TH3 2
(Center)
TS1 Thermostat 1 (Center)
TS2 Thermostat 2 (End)
CB1 Circuit Breaker
SM
NAME
The CPU uses this thermistor to monitor the
temperature of the pressure roller.
199°C. This safety device prevents
overheating if the temperature control circuit
fails.
200°C. This safety device prevents
overheating if the temperature control circuit
fails.
Breaks the main power supply to the machine
if there is an overload or short circuit. Located
on the back of the machine, this switch is set
manually. This breaker switch must be at the
down position for the machine to operate. For
more, see section 1.2.3 "Main Machine Final
Installation."
6-99
Electrical Components
DESCRIPTION
B286/B289