Scanner Error Messages With Mac - PIXMA MG3020, MG3022

Article ID: ART166586 | Date published: 09/15/2016 | Date last updated: 02/18/2020


This article lists scanner errors you may see on a Mac with a PIXMA MG3020 / MG3022.



If you see a scan error message while using your Mac® with a PIXMA MG3020 or MG3022, refer to the table below for solutions.
Error Message Solution
Error in scanner. See the manual for solutions.
  • Make sure your scanner or printer and the computer are connected correctly.
  • Your scanner or printer may be damaged.
    Restart the computer, then reconnect your scanner.  
    If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.

    Or if you still need help, visit our Canon Community by clicking the button below to get answers:

    Link to Canon Community Forum


USB connection:
Cannot communicate with scanner for these reasons:

  • Scanner is turned off.
  • USB cable is disconnected.
Please check and try again.
  • Make sure your scanner or printer is turned on.
  • Make sure the selected scanner is correct. Refer to the application's manual for details.
  • With USB connection, check the connection of the USB cable and reconnect as required.

Network connection:
Cannot communicate with scanner for these reasons:

  • Scanner is turned off.
  • (If using Wired connection) It is disconnected from Wired LAN.
  • (If using wireless connection) Signal strength is poor due to obstructions.
  • Network connection is prohibited by security software.
  • Different scanner on the network is selected.

Please check and try again.

  • Check the network connection status and reconnect as needed.
A required file is missing or corrupted, or settings are incorrect. Try the installation again.
Cannot write or read file.
  • Exit running applications, check to make sure there's sufficient free space on the hard disk, then scan again.
  • Make sure that there is no problem with the destination folder, file name, or access permission.
There is not enough free disk space to complete the scan.
  • Delete any unneeded files on the hard disk and scan again.
Printer is in use or an error has occurred. Check status.
  • Check the printer status.
The scanner is not available while in use by another application or user.
  • Close the other application.

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