Support Code 1309 Appears (Incompatible Paper Size for Auto Duplex Printing) - GX5020

Article ID: ART180714 | Date published: 04/14/2022 | Date last updated: 04/26/2022


Learn how to troubleshoot support code 1309 on the MAXIFY GX5020.




A paper size that isn't compatible with automatic duplex (two-sided) printing is specified.


What to Do

The paper sizes suitable for auto duplex printing are A4 and Letter.

Press the printer's Stop button to cancel printing.

Then change the paper size settings specified when printing and retry printing.

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


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