Canon Pixma MG6821 Online Manual page 593

• When you print using the printer driver:
The message which prevents misprinting is disabled by default.
To change the display setting when you print using the printer driver:
◦ For Windows:
Changing the Printer Operation Mode
◦ For Mac OS:
Changing the Printer Operation Mode
Important
• When the message which prevents misprinting is disabled:
The machine starts printing or copying even though the paper settings for printing or copying and the
cassette paper information registered to the machine are different.
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