Figure 6-2 Door Safety Interlock Switches; Testing For A Shorted Motor - Tektronix PHASER 560 Service Manual

6
Troubleshooting
6-6 Phaser 560 Color Printer
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If no motors appear to be at fault, replace the engine control board. Refer to the
Chapter 8 topic, "Engine control board" on page 8-17.
Right side door
interlock switch
Front door
interlock switch
Left door
switch
Optional lower
tray assembly
door switch

Figure 6-2 Door safety interlock switches

Testing for a shorted motor

1. Remove the cabinet top and rear access panel.
2. Refer to Appendix C, "Wiring Diagrams" for a diagram that locates
each connector.
3.
Disconnect the motor harnesses.
4.
Turn on the printer again to see if it overloads now that the motors are
disconnected from the engine driver board.
If the motors and solenoids are functional, but the power supply still does not
function, replace it. Refer to the Chapter 8 topic, "Power supply" on page 8-15.
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