Canon 630 사용자 설명서

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Print Quality is Poor or Contains Errors
123
Troubleshooting
Printing is Blurred/Colours are Wrong
If a specific colour does not print, check whether the corresponding ink tank is 
empty. Replace if necessary.
Print the nozzle check pattern to ensure that ink is output correctly.
If the nozzle check pattern does not print correctly, clean the print head.
If the problem is not resolved after cleaning the print head several times, the print head 
may be worn out. Contact a Canon service representative.
Note
Always ensure you dispose of the protective cap and protective tape from a 
print head.
Ensure you are printing on the correct side of the media.
You can only print on one side of certain media.