ITB cleaning block
Step 9: The cleaning blade scrapes the residual toner off the surface of the ITB. The residual toner feed
screw deposits residual toner in the toner collection unit.
Figure 1-22 ITB cleaning
ITB
Cleaning blade
Residual toner feed screw
Drum cleaning block
Step 10: The cleaning blade scrapes the residual toner off the surface of the photosensitive drum, and
toner is deposited in the waste section inside the print cartridge.
Figure 1-23 Drum cleaning
Cleaning blade
Photosensitive
drum
Toner waste
ENWW
Image-formation system
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