Canon G1020 series Online Manual page 178

When you start printing, the Alarm lamp and the Paper lamp for the paper size set when printing will
flash.
Select one of the operations below.
Printing by paper size setting for printing
You print on the paper loaded without changing the paper size setting. Press the OK button.
For example, when the paper size setting for printing is A4 and the paper size setting set to Letter on
the printer, the printer starts printing with A4 on the paper loaded.
Printing after replacing paper
You print after replacing paper loaded on the rear tray.
For example, when the paper size setting for printing is A4 and the paper size setting set to Letter on
the printer, you load A4 sized paper before you start printing.
Set the paper size setting depending on the loaded paper on the rear tray after replacing paper.
Cancel printing
Press the Stop button to cancel printing and change the paper size setting specified for printing. Try
printing again.
Default Setting for Displaying the Error Code which Prevents
Misprinting
• When you print from the smartphone or the tablet:
The error code which prevents misprinting is enabled by default.
To change the setting:
1. Check that printer is turned on.
2. Press and hold the Stop button and release it when the Alarm lamp flashes 10 times.
The function which displays the error code is disabled.
Note
• To enable the paper mismatch detection function, press and hold the Stop button and
release it when the Alarm lamp flashes 9 times.
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