Canon BJC-80 - Manual (Page 44)

Starting the Test Pages From the Operator Panel
To print any of the test patterns, make sure the printer is turned off and paper is
loaded in the sheet feeder.
Press and hold the POWER button until you hear the number of beeps
that corresponds to the test pattern you wish to print.
Test page Number of beeps
Demonstration Print 1
Printer Settings 2
Ripple Pattern 3
Nozzle Check 4
Font Sample 6
When you release the POWER button, the test page starts to print.
Cleaning the Print Head
Your printer is equipped with two print head cleaning functions to ensure
constant high quality printing.
Quick Cleaning
Requires about 30 seconds and improves print quality.
Extensive Cleaning
Requires about 60 seconds and corrects severe nozzle clogging. Because
extensive cleaning consumes ink, execute this procedure only when the
print quality does not improve after repeating the cleaning function.
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