Canon Printer Cannot Communicate With Scanner

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If your Canon printer cannot communicate with the scanner, it’s usually due to a connection issue, driver problem, or software misconfiguration. This error typically occurs when using the Canon IJ Scan Utility, MF Scan Utility, or trying to scan directly from the printer to the computer.

This guide provides a complete set of solutions for both Windows and macOS users.

1. Identify the Connection Type

Determine how your printer/scanner is connected to the computer:

  • USB – Direct cable connection
  • Wi-Fi – Both devices must be on the same wireless network
  • Ethernet (LAN) – Both devices must be on the same wired network

2. Common Error Messages

You might see one of these:

  • “Cannot communicate with scanner.”
  • “Scanner not available.”
  • “The scanner driver is in use or not installed.”
  • Error Code 2,157,50 or similar codes

All of these suggest communication issues between the device and the scanner utility.

3. Basic Checks

Ensure the Printer is On and Ready
  • Turn on the printer and make sure there are no error messages or blinking lights.
  • Some Canon models disable scanning when an error (like no ink or paper jam) is active.

Restart Devices
  • Restart your computer, printer, and router (if using Wi-Fi).

4. For USB Connections

Try a Different USB Port or Cable
  • Use a different USB cable and USB port directly on your computer.
  • Avoid USB hubs or extenders.

Check Device Detection

Windows:

  • Open Device Manager > Imaging Devices or Printers.
  • Look for your Canon device listed. If not, the driver may be missing or corrupted.

macOS:

  • Go to System Settings > Printers & Scanners.
  • If the scanner isn’t listed, remove and re-add the printer.

5. For Wi-Fi or Network Connections

Make Sure Both Devices Are on the Same Network
  • Print a Network Configuration Page from the printer menu to confirm IP address and connection.
  • Check your computer’s Wi-Fi to ensure it’s on the same local network.

Ping the Printer’s IP Address

Windows (Command Prompt):

ping [printer IP address]

macOS (Terminal):

ping [printer IP address]

If it fails, the printer and computer cannot communicate over the network.

6. Check Canon Scanner Utility Settings

Canon IJ Scan Utility / MF Scan Utility
  1. Open the utility on your computer.
  2. Go to Settings > Product Name or Scanner Selection.
  3. Make sure your Canon printer is selected (not “Network Scanner” or “Offline”).
  4. If it shows “Not Available”, click Search to re-detect the device.

7. Reinstall Canon Drivers and Software

Download the Latest from Canon
  1. Go to Canon Support.
  2. Enter your printer model.
  3. Download and install:
    • Scanner driver
    • Canon IJ Scan Utility or MF Scan Utility

Remove and Reinstall

Windows:

  • Go to Control Panel > Programs and Features, uninstall any existing Canon software.
  • Reinstall using the latest files.

macOS:

  • Delete Canon apps from Applications, then reinstall the correct versions.

8. Check for Conflicting Software or Permissions

Antivirus or Firewall
  • Temporarily disable any security software that might block communication.
  • Add Canon scanner utilities to the allow list.

Permissions (macOS)
  • Go to System Settings > Security & Privacy > Privacy > Files and Folders.
  • Ensure Canon IJ Scan Utility or MF Scan Utility has access to folders.
  • Also check under Full Disk Access and Input Monitoring if applicable.

9. Use Alternative Scanning Tools

If Canon utilities fail, test scanning with:

  • Windows Fax and Scan or Windows Scan App
  • macOS Image Capture

If those work, the issue lies with Canon software, not the scanner hardware.

10. Reset Network Settings on Printer (if applicable)
  1. Go to the printer’s Settings > Device Settings > Reset Settings > LAN Settings.
  2. Reconnect to the network using Wi-Fi Setup, WPS, or Manual Settings.
  3. Try scanning again.

11. When to Contact Canon Support

Get in touch with Canon if:

  • Scanning still fails after reinstalling drivers and resetting the connection
  • You receive consistent error codes (like 2,157,50, 5,202,54, etc.)
  • The scanner is not recognized even over USB
  • You suspect a hardware failure (scanner lamp not moving, loud noises, etc.)

Canon support can assist with device-specific steps or schedule warranty service if needed.