160 Theory of operation ENWW
ITB cleaning control
This controls the removal of the residual toner from the ITB to prevent an image defect.
The following is the sequence of this control.
1 The cleaning blade on the ITB is always in contact with the ITB and scraping the residual toner
off the ITB. (See callout A in figure ITB cleaning control, below.)
2 The toner scraped off the ITB is transferred onto the waste toner conveyor belt by the ITB
cleaning screw.
3 The waste toner is delivered to the waste toner container, sitting inside the ribs of the conveyor
during transfer. (See callouts B and C in figure ITB cleaning control, below.)
Figure 5-44 ITB cleaning control
Note No bias is applied during the ITB cleaning control.
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