4-50 Phaser 6280 Color Laser Printer Service Manual
General Troubleshooting
Black Toner Motor
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. Use a paper clip to secure the Interlock Switch.
6. Perform the Black Toner Motor test: Engine Diag > Motor Test > Black
Toner Motor.
7. Verify that the Black Toner Motor is running and the gear is rotating.
8. Press the Cancel button to stop the Black Toner Motor test.
9. Remove the paper clip from the Interlock Switch.
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