PDF Printing Issues

How to Stop Adobe Scan PDFs from Printing Smaller than Original

John WilsonJohn Wilson Oct 23, 2026 869 views

Question details

The user needs to print scanned documents exactly at their original physical dimensions without the printer automatically shrinking them.

How to Prevent Adobe Scan Documents from Printing Smaller
Product
Adobe Scan / PDF Viewer
Device & OS
not provided
Scenario
Printing PDF documents that were scanned using the Adobe Scan application.
Observed behavior
Scanned documents are printing at a smaller scale than the original physical document due to automatic margin scaling.
Before you start

Before printing, ensure that the physical paper loaded in your printer exactly matches the standard dimensions of your scanned document (such as A4 or Letter) to prevent hardware-level scaling.

Solution 1Recommended

Adjust Print Scaling to Actual Size

Change your PDF viewer's print settings to output the document at 100% scale instead of shrinking it to fit within default margins.

By default, most PDF readers shrink documents to ensure no content is cut off by the printer's unprintable margins. Changing this setting forces the printer to output the exact scanned dimensions.

1
Open the Print Menu

Open your scanned PDF document in Acrobat or your preferred PDF viewer, then go to File and select Print.

2
Select Actual Size

Locate the 'Page Sizing & Handling' section in the print dialog box. Select 'Actual Size' or choose 'Custom Scale' and set it to 100%. Do not use 'Fit', 'Shrink', or 'Scale to Printable Area'.

3
Confirm and Print

Ensure the selected paper size matches your original document's dimensions, then click Print to generate the correctly sized output.

Adjust Print Scaling to Actual Size
Pro Tip: Disabling 'Fit to Printable Area' is especially important for printing ID cards, barcodes, and official forms that require precise real-world dimensions to remain valid.
Perfect PDF Printing Solution

Print Scanned PDFs Accurately with WPS Office

WPS Office offers a robust built-in PDF reader that allows you to easily print scanned documents at their exact original size without unwanted scaling or margin issues.

  1. 1. Open the Document: Launch WPS Office and open the PDF file you scanned with Adobe Scan.
  2. 2. Access Print Settings: Click on the Menu icon in the top left corner and select Print, or simply press Ctrl+P on your keyboard.
  3. 3. Configure Page Sizing: In the Print dialog, find the 'Print Handling' or 'Page Sizing' options and select 'Actual Size'.
  4. 4. Execute Print: Verify your printer is loaded with the correct paper size and click the Print button to get accurate copies.
100% compatible with Adobe PDF formatsIntuitive print settings for Actual Size and 100% scalingFree built-in PDF editor, annotator, and format converterLightweight application for Windows, Mac, and mobile devices
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Frequently Asked Questions

Why does my printer automatically shrink PDF pages?

Most PDF viewers and printers default to a setting called 'Fit to Printable Area'. This shrinks the document slightly to ensure that text or images near the edges aren't cut off by the printer's physical hardware margins.

How do I check the original page size of my scanned PDF?

In your PDF viewer, you can usually check this by going to File > Properties or Document Properties (often accessible by pressing Ctrl+D). The exact page dimensions will be listed in inches or millimeters.

Can I set 'Actual Size' as the permanent default printing option?

This depends on your specific PDF software and printer driver. In most cases, you must select 'Actual Size' each time you print. However, you can check your computer's 'Devices and Printers' settings to see if your printer driver allows you to set a permanent 100% scale default.