Canon G3000 Series Online Manual page 364

Click OK.
When you execute print, the information is printed on the envelope.
Important
• When you execute envelope printing, guide messages are displayed.
To hide the guide messages, check the Do not show this message again check box.
To show the guide again, click the View Printer Status button on the Maintenance tab, and start the
Canon IJ Status Monitor.
Then click Envelope Printing from Display Guide Message of the Option menu to enable the setting.
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