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Canon MF8580Cdw Service Manual page 50

Mf8500/mf8200 series
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Manual - 750 pages
User manual - 750 pages
Getting started - 292 pages

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Technical Overview > Image Formation System > Image Forming Process > Cleaning block
■ Fixing block
The toner image is fixed on the paper in this block.
● Step 7: Fixing
This product employs the on-demand fixing method.
By applying pressure and heat on the paper and the toner image on it, the toner is fused to
develop the permanent image.
Pressure roller
Media
2
Technical Overview > Image Formation System > Image Forming Process > Cleaning block
Fixing film
Fixing heater
Toner
F-2-25
■ Cleaning block
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.
Positive potential waste toner
Negative potential waste toner
Photosensitive drum
Partition sheet
ITB cleaning roller
ITB cleaning brush
Sweeper strip
DC bias
2-21
Cartridge
ITB
DC bias
F-2-26
2-21

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