Canon MAXIFY GX5020 Wireless MegaTank Inkjet Color Printer - Manual (Page 279)

When Error Occurred
If an error occurs in printing, for example, if the paper runs out or jams, a troubleshooting message is
displayed automatically. For some errors, a support code (error number) is also displayed.
Take the appropriate action described in the message.
When a Support Code and a Message are displayed on the Computer
Screen (Windows):
When a Support Code and a Message are displayed on the Printer's
LCD:
For details on how to resolve errors with Support Codes, see List of Support Codes for Printer Errors .
For details on how to resolve errors without Support Codes, see Message Is Displayed .
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