Canon MG 5600 Series Online Manual page 750

Launch IJ Network Tool, and select "CNBJNP_xxxxxxxxxx" as you confirmed in step 4, then associate
the port with the printer using Associate Port in the Settings menu.
If the problem is not resolved, reinstall the MP Drivers with the Setup CD-ROM or install them from our
website.
Is the size of the print data extremely large?
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Click Print Options on the Page Setup sheet on the printer driver. Then, set Prevention of Print Data Loss in
the displayed dialog to On.
* When On is selected for Prevention of Print Data Loss, print quality may be reduced.
Restart your computer if you are printing from the computer.
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