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30 March, 1999
2.7 TRANSFER BELT UNITS
2.7.1 OVERVIEW
This copier uses two transfer belts—an image transfer belt and a paper transfer
belt. The copier transfer belt system first develops the 4 color toner images on the
transfer belt and then later transfers the complete image onto the paper. This
permits the image transfer to the paper in a single operation.
For the paper transfer step, the copier employs an insulated transfer belt system to
improve the efficiency of image transfer to the paper. The paper transfer belt also
provides smooth paper transport as the paper passes through the image transfer
area and receives the image.
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1. OPC drum
2. Transfer belt bias roller
3. Image transfer belt (ITB)
4. Belt mark sensor
5. Transfer belt drive roller
6. Transfer belt tension roller
7. Paper transfer counter roller
8. Paper registration rollers
9. Paper transfer tension roller
10. Paper transfer belt (PTB)
11. Paper transfer bias roller
12. PTB blade counter roller
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A269D401.WMF
13. PTB cleaning blade
14. PTB cleaning brush
15. PTB back brush
16. Belt discharge corona unit
17. Paper transfer drive roller
18. Pick-off plate
19. Separation corona unit
20. ITB blade counter roller
21. ITB cleaning blade
22. ITB lubricant brush
23. ITB lubricant bar
24. Ground roller
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TRANSFER BELT UNITS
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