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
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