Ricoh BR-C1a Basic Service Training page 361

 The ITB unit has a thermostat and heater.
 The ITB heater is not connected before the machine leaves the
factory.
 White spots in prints indicate that condensation has formed in
the machine, and in this case the ITB heater should be connected.
 For example, this can occur when the machine is turned on in the
 The heater consumes about 5W after it is connected.
Slide 361
No additional notes
ITB Heater and Thermostat - 1
morning after it has remained off during the night in a cold
environment.
361
BR-C1 Training