Question

1) why do we use whitener?​

Answer 1

Answer:

Here are the reasons: The whitener is usually thick coated and may start chipping while bending, stacking and storing the sheets during the scanning process. These chipped inks of the whitener may fall on the scanner lens and create shadow marks on the image of the sheet.

Explanation:

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Answer 2

Answer:

good afternoon dear

Here are the reasons: The whitener is usually thick coated and may start chipping while bending, stacking and storing the sheets during the scanning process. These chipped inks of the whitener may fall on the scanner lens and create shadow marks on the image of the sheet.

Explanation:

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