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I am having issues with print quality on this printer and am at a loss on what to do next.I have updated the firmware, performed regular and deep cleaning of the print head, done the auto alignment, as well as the roller and bottom plate cleaning pro...

Hello.  I amusing a PIXMA MG3520 printer and any attempt to print a PDF through the PRINT app results in an undefined error... "Canceled the process because an error occurred." This message is preceded by the typical Data Conversion Service message. ...