Specifications

Check the voltage at CN122-9 on the main board.
0V 24V
Replace the main board.
Check the voltage at CN122-14 on the main board.
24V 0V
Replace the main board.
Does the thermistor properly contact the hot roller?
Yes No
Correctly position the thermistor.
Does the voltage at TP107 on the main board increase after the main
switch is turned on?
Yes No
Replace the thermistor.
Replace the ac drive board.
1 December 1990
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