Service manual

T- 7 2
5-3. Troubleshooting Procedures Classified by Image Failure
• Image Failure Samples
4002T010AA
1. Blank copy 2. Black copy 3. Low image density
4. Foggy background 5. Black streaks or bands 6. Black spots
7. Blank streaks or bands 8. Void areas 9. Smear on back
10. Uneven image density 11. Gradation reproduction
failure
12. Rough image
13. Periodically uneven
image
14. Traces of PC Drum Paper
Separator Fingers
15. Void areas along
leading edge