Door safety interlock switches
Testing for a shorted motor
1.
Remove the top and rear covers.
2.
Disconnect the motor harnesses and verify motor resistances (see the
following topic).
3.
Refer to the topic "Wiring Diagram" on page 215 for a diagram that locates
each connector.
4.
Turn on the printer again to see if it overloads now that the motors are
disconnected from the engine driver board.
If the power supply still does not function, replace it.
Top Cover Open Switch
Front Cover Open Switch
0728-01
Service Guide
37