Phaser 6280 Color Laser Printer Service Manual 4-59
General Troubleshooting
ADC (CTD) Sensor LED
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 Print Cartridges (page 8-10).
4. Use a paper clip to secure the Interlock Switch.
5. Perform the ADC Sensor LED test: Engine Diag > Motor Test > ADC
Sensor LED.
6. Verify that the LED is working (red light inside the Transfer Unit).
7. Press the Cancel button to stop the ADC Sensor LED test.
8. Remove the paper clip from the Interlock Switch.