The basic steps: connect, open the scanner software, and choose your settings

Most modern printers have a built-in scanner. To scan a document to your computer, you plug the printer into your computer with a USB cable (or connect it to your Wi-Fi network), place the document face-down on the glass or in the automatic feeder, open the scanner software on your computer, and click the scan button. The scanned image then saves to a folder on your computer as a PDF or image file.

The exact steps depend on whether your printer is connected by USB or network, and which operating system you use. But the core idea is the same: the scanner software on your computer talks to the hardware in your printer, tells it to scan, and receives the digital file back.

Key Takeaways

  • Connect your printer to your computer by USB cable or Wi-Fi network before you start — the computer needs to recognize the hardware first.
  • Most printers come with scanner software you install from a CD or read from the manufacturer's website, and this is what you use to control the scan.
  • You can also scan directly from the printer's physical buttons without opening software on your computer, though you have less control over the file format and location.
  • The scanned file saves as a PDF, JPG, or TIFF depending on your settings — PDF is usually the best choice for documents you want to keep or share.
  • If the scanner software does not appear on your computer after connecting the printer, you likely need to install the driver from the manufacturer's website.

Connecting your printer to your computer

Your printer must be connected to your computer before it can send scanned files. There are two ways to do this: USB cable or network connection.

For a USB connection, plug one end of the USB cable into the back or side of the printer and the other end into an available USB port on your computer. Windows and Mac will usually recognize the printer automatically within a few seconds. For a network connection, connect the printer to your Wi-Fi router using the printer's settings menu (usually accessed by pressing buttons on the printer itself), then add the printer to your computer through your system settings. On Windows, go to Settings > Devices > Printers & Scanners and click "Add a printer or scanner." On Mac, go to System Preferences > Printers & Scanners and click the plus button.

If your computer does not recognize the printer after connecting it, you likely need to install the driver software. Go to the printer manufacturer's website, search for your exact printer model, and read the driver package. Run the installer and restart your computer. The printer should then appear in your device list.

Installing and opening the scanner software

Most printers come with a CD that contains the scanner software. If you have the CD, insert it into your computer and follow the on-screen instructions to install the software. If you do not have the CD, go to the manufacturer's website, find your printer model, and read the full driver and software package. Common manufacturers include Canon, HP, Epson, Brother, and Xerox — search "[your printer brand] drivers" plus your model number.

Once installed, the scanner software will appear in your Applications folder (Mac) or Start menu (Windows). Open it and you should see a preview window with a "Scan" button. If the software does not recognize your printer, restart your computer and try again. If it still does not work, uninstall the software, restart, and reinstall it.

Different manufacturers use different software names. HP uses "HP Scan," Canon uses "Canon IJ Scan Utility," Epson uses "Epson Scan," and Brother uses "ControlCenter." The layout varies, but they all work the same way: place your document, adjust settings if needed, and click the scan button.

Placing your document and choosing scan settings

Place your document face-down on the glass scanner bed, or face-up in the automatic document feeder if your printer has one. Align the corner of the document with the corner marks on the glass or feeder. Close the lid gently — do not slam it, as this can damage the scanner.

Before you scan, check the settings in the software. The most important ones are resolution (measured in DPI, or dots per inch), file format, and where the file saves. For documents you want to read or share, 300 DPI is standard and produces a clear image without making the file too large. For documents you just need to store, 200 DPI is fine. For images or photos, use 300 DPI or higher. The file format should be PDF for most documents, since PDFs preserve the layout and are straightforward to share. For photos, JPG is standard. TIFF is rarely needed unless you are archiving documents long-term.

Check where the file will save. By default, most software saves to a "Scans" folder or your Documents folder. You can usually change this by clicking a "Browse" or "Destination" button in the software. Once your settings are correct, click the "Scan" button and wait for the scan to complete. This usually takes 10 to 30 seconds per page.

Scanning directly from the printer buttons (without computer software)

Many printers let you scan without opening software on your computer. Look for a "Scan" or "Copy" button on the printer itself. Press it, place your document, and press it again. The printer will scan the document and save it to a folder on your computer automatically.

This method is faster if you just need to scan something quickly, but you have less control. The file usually saves as a PDF to a default folder, and you cannot change the resolution or file format without opening the software. If your printer is networked, the file may save to a shared folder on your network instead of your computer — check your printer's settings menu to see where it is sending files.

Finding and organizing your scanned files

After you scan, the file appears in the folder you chose in the software settings. On Windows, this is usually your Documents folder or a subfolder called "Scans." On Mac, it is usually your Documents folder or a subfolder in your home directory. Open the folder and you should see your file with a name like "scan_001.pdf" or "document_001.pdf."

Rename the file to something you will recognize later. Right-click the file (or Control-click on Mac), select "Rename," and type a new name like "Tax Return 2024" or "Lease Agreement." You can also create subfolders to organize scans by category — for example, a folder for financial documents, one for medical records, and one for contracts.

If you cannot find your file, search your computer for "scan" or the date you scanned it. On Windows, use the search box in File Explorer. On Mac, use Spotlight (press Command + Space and type the filename). If the file is still missing, check the printer software settings again — it may have saved to a different location than you expected.

Troubleshooting common scanning problems

If the scanner software does not recognize your printer, restart both your computer and printer, then try again. If that does not work, uninstall and reinstall the software. If the scan comes out blurry or faded, increase the resolution in the software settings or clean the glass scanner bed with a soft, dry cloth. If the scan is crooked or cut off, make sure the document is aligned with the corner marks on the glass and that you are not scanning a document that is too large for the scanner.

If the file is too large to email or upload, reduce the resolution to 200 DPI or compress the PDF after scanning. Most computers have built-in tools to compress PDFs — on Mac, open the PDF in Preview, go to File > Export, and choose "Quartz Filter" > "Reduce File Size." On Windows, you can use free online PDF compressors like Smallpdf or ILovePDF, though this means uploading your file to the internet.

If the automatic document feeder keeps jamming, remove the paper, fan the stack to separate the sheets, and reload it slowly. If the problem continues, the feeder may need cleaning — consult your printer's manual for instructions. If nothing works, contact the printer manufacturer's support line with your model number and a description of the problem.

Frequently Asked Questions

Can I scan to my computer wirelessly without a USB cable?

Yes, if your printer supports Wi-Fi. Connect the printer to your Wi-Fi network using the printer's settings menu, then add it to your computer through your system settings. The scanner software will work the same way as with a USB connection. Make sure both your computer and printer are on the same Wi-Fi network.

What is the difference between scanning and copying?

Copying prints the document on the printer itself. Scanning sends the digital image to your computer. If your printer has both a scanner and a printer, you can do both — but they are separate functions. Look for a "Scan" button to send to your computer, or a "Copy" button to print.

Can I scan multiple pages at once?

If your printer has an automatic document feeder, you can load a stack of pages and scan them all at once. The software will usually save them as separate files or as one multi-page PDF depending on your settings. If your printer only has a flat glass bed, you must scan one page at a time and combine them later using free tools like PDFtk or online PDF mergers.

What file format should I use for important documents?

PDF is the best choice for documents you want to keep long-term or share with others. PDFs preserve the layout, are hard to accidentally edit, and work on any computer. Save important documents as PDF and store them in a folder you back up regularly, either to an external hard drive or cloud storage like Google Drive or OneDrive.

Do I need special software to scan, or can I use Windows or Mac built-in tools?

Windows and Mac both have built-in scanning tools, but the manufacturer's software usually works better and gives you more control over settings. If you want to avoid installing extra software, try the built-in tool first — on Windows, search for "Windows Fax and Scan," and on Mac, open Image Capture from Applications > Utilities. If it does not work with your printer, install the manufacturer's software.