Canon BJ-10sx User Manual page 23

Cleaning the Print Head
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The print head on a new ink cartridge needs to be cleaned to
ensure that you get the best possible print quality. The printer
automatically cleans the print head when you follow these steps:
1. Make sure the printer is turned off.
2. Press and hold the FWD ADJ and REV ADJ buttons, and
press the POWER button until you hear the printer beep.
3. When the printer beeps, release the POWER button.
4. When the printer beeps again, release the FWD ADJ and
REV ADJ buttons.
After several seconds, the ON LINE indicator light starts to
blink. It blinks for about five seconds while the printer cleans the
print head. When complete, the ON LINE indicator light stops
blinking and goes off.
You can repeat this procedure if your printed output includes
white streaks, missing dots, or irregular dots. If you have
continual print quality problems, see Chapter 7, Troubleshooting,
for a more detailed procedure that allows you to visually check
the results of the print head cleaning.
NOTE: Cleaning the print head consumes a small amount of ink.
Repeating this procedure unnecessarily reduces the life of the ink
cartridge.
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