Toshiba e-STUDIO4500c Service Manual page 808

IMAGE TRANSFER AND PAPER TRANSFER
11. PTR (Paper Transfer Roller)
Provides pressure when the ITB and paper pass between this roller and the
PTR below during image transfer from ITB to paper.
12. ITB Bias Roller
The transfer power pack applies a negative charge to this roller to push the
negatively-charged toner image from the ITB to the paper.
13. ITB Waste Toner Collection Coil
Toner removed from the ITB by the ITB cleaning brush roller and ITB cleaning
blade falls into the rotating coils. It is then moved to the transverse waste toner
collection coil and finally to the waste toner bottle.
14. ITB Cleaning Brush Roller
Removes residual toner from the ITB after the image is transferred from the ITB
to paper.
15. ITB Cleaning Blade
Removes residual toner from the belt after the ITB cleaning brush roller cleans
the belt.
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August 2006