4-42 Phaser 6280 Color Laser Printer Service Manual
General Troubleshooting
Sub Motor (FULL2/HALF)
The Sub Motor is located in the Main Drive Assembly. When performing
this procedure, remove and cover the Print Cartridges to avoid exposure
to light.
The rotational speed of the Sub Motor is as follow: HALF < FULL2
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 Sub Motor (FULL2/HALF) test: Engine Diag > Motor Test >
Sub Motor (FULL2//HALF).
7. Verify that the Sub Motor is running and the three gears are rotating.
8. Press the Cancel button to stop the Sub Motor test.
9. Remove the paper clip from the Interlock Switch.
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