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Troubleshooting Question

Ink jet printer, how to improve print quality by removing and cleaning the printheads.

Last Modified: 2020-12-03
Print heads on my Canon G4210 keep coming up bad print quality.  Nozzle check and cleaning is just not enough; and now I've tried to clean the print heads directly, by taking them out and tapping on paper towel to free up the ink flow.  Still no success.  Any suggestions?
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