Canon TC-20 Online Manual page 549

1021
Cause
The printer has received a print job longer than the amount of roll paper left.
What to Do
Tap OK on the printer's touch screen, replace the paper roll with a paper roll that is long enough to print
the print job and continue printing.
Removing the Roll from the Printer
Loading Rolls in the Printer
Note
• To cancel printing, press the printer's Stop button.
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