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The charge difference between the developed toner image on the photoconductor surface and the first transfer
roller causes the images to transfer to the surface of the transfer module belt for each color. This takes place
by a direct surface-to-surface contact between the photoconductors and the transfer module belt.
Service tips
•
Never touch the surface of the transfer module belt with your bare hand. The oil from your skin will cause
a charge differential on the surface, and the toner will not stick properly. The result would be repeating
blotches of voids/light print on a page, and the transfer module belt will have to be replaced.
•
Do not use solvents or other cleaners to clean the transfer module belt surface. No matter how careful you
are, the surface will be compromised, causing scratches or a charge differential that will produce voids or
light blotches on the printed page.
Step 4b: Second transfer
When the four planes of color are transferred to the transfer belt from the photoconductors, the image is carried
towards the transfer roll, which is also part of the transfer module. Based on the speed of the transfer belt, the
proper time to send the signal to pick the paper from an input source is determined. The pick is timed so that
the paper passes between the transfer belt and transfer roll when the image on the belt reaches the second
transfer area.
Theory of operation
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