Phaser 6280 Color Laser Printer Service Manual 4-31
General Troubleshooting
Interlock Switch
When performing this procedure, remove and cover the Print Cartridges
to avoid exposure to light.
1. Enter the Service Diagnostic menu (page 4-5).
2. Open the Front Cover.
3. Remove the Transfer Unit (page 8-8).
4. Remove the Print Cartridges (page 8-10).
5. Perform the Interlock Switch test: Engine Diag > Sensor Test >
Interlock Switch.
6. 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.
7. Press the Cancel button to stop the Interlock Switch test.
s6280-125
Control Panel
Normal
Interlock Switch
L-0
Interlock Switch
H-0