Before you begin
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If your printer output quality is low, first try a standard print head cleaning. For instructions, see Clean the print head - MX922.
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If you continue to see poor quality output, you can perform a deep clean of the print head.
The deep clean process uses additional ink.
Steps for a deep cleaning
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Turn on the printer and load one or more sheets of letter-sized plain paper in the lower tray (cassette).
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Hold the sides of the paper output tray and open it.
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Extend the paper output support.
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Press MENU.
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Select Setup 
, then OK.
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Select Maintenance 
, then OK.
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Select Deep cleaning, then OK.
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Select Yes, then OK. The machine starts the deep cleaning process. This takes about two minutes.
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After the pattern print confirmation screen appears, select Yes, then OK.
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The nozzle check pattern prints. When the completion message appears, press OK.
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Examine the output.
Check the nozzle check pattern. If a color isn't printed properly, replace the ink tank.
Good to know
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If the output quality still isn't correct, you can perform a second deep clean after 24 hours.
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If there are streaks on the print output, you can clean the bottom plate.
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If, after trying all of the above, the print quality is still poor, the print head may be damaged. Service is required
If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.
Or if you still need help, visit our Canon Community by clicking the button below to get answers:
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