Canon MF726Cdw - Page 42

Media
Pressure roller
Fixing lm
Toner
Fixing heater
■ Block 5 : ITB Cleaning
The residual toner on the ITB surface is cleaned in this step.
● Step 8: ITB cleaning
The DC positive bias is applied to the ITB cleaning roller and the ITB cleaning brush to charge the collected toner positively. The
positively charged collected toner is reversely transferred from the ITB to the photosensitive drum by the primary transfer pad.
ITB cleaning brush
Sweeper strip
ITB cleaning roller
ITB
DC bias
DC bias
Partition sheet
Positive potential waste toner
Negative potential waste toner
Cartridge
Photosensitive drum
■ Block 6 : Drum Cleaning
The residual toner on the photosensitive drum is cleaned in this block.
● Step 9: Drum cleaning
The cleaning blade scrapes off the residual toner on the photosensitive drum to collect into the cleaner container. Now the
photosensitive drum is cleaned.
2. Technical Explanation
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