Common questions about Scan Enhancement usually involve permissions, effect selection, and saved results; this section includes 4 frequently asked questions and a glossary.
FAQ
Why can’t I find the Scanned Document tab?
- Confirm that the file you opened is a PDF file.
- Confirm that the file is a scanned document or contains scanned pages.
- If the tab still does not appear, update WPS Office to the latest version and reopen the file.
Can I undo an enhancement effect?
- After applying an enhancement effect, click Original to check the original appearance again.
- If the action was just completed, you can also press Ctrl+Z to undo it.
- After restoring the page, choose another preset if needed.
How do I enhance multiple scanned pages at once?
- Apply one enhancement effect to the current page first.
- Preview the result and confirm that it fits the whole document.
- Choose Apply to All Pages to process multiple pages together.
Will the file size become much larger after enhancement?
- Scan Enhancement is mainly used to adjust the display result of scanned pages.
- In general, the impact on file size is limited.
- Before saving, preview the result and decide whether to overwrite the original file or save a new copy.
Glossary
| Term | Definition |
|---|---|
| Original | The original display result of the scanned page before optimization. It can be used as a comparison baseline for other presets. |
| Smart Optimization | A preset that automatically adjusts the display result of a scanned page for quick overall improvement preview. |
| Shadow Removal | A preset used to reduce shadows created during scanning so the page background looks cleaner. |
| Descreen | A preset used to reduce texture or dot-pattern interference in scanned images. |
| Text Enhancement | A preset used to improve the clarity of text areas for easier reading and proofreading. |