4-22 Phaser 6130 Color Laser Printer Service Manual
General Troubleshooting
Cover Open Sensor
Caution
When performing this procedure, remove the Imaging Unit to avoid 
exposure to light.
1. Enter the Service Diagnostic menu (page 4-5).
2. Open the Front Cover.
3. Remove the Imaging Unit (page 8-8) and place in a dark location.
4. Perform the Interlock Switch test: Engine Diag > Sensor Test > Cover 
Open Sensor.
5. Open and close the Front Door while checking the information on the 
Control Panel display. The Low and High values change from 0 up to 99.
6. Press the Cancel button to stop the Cover Open Sensor test.
s6130-186
Control Panel
Normal
Interlock Switch 
L-0
Interlock Switch 
H-0