Printer Does Not Start or Stops During Print Jobs 138TroubleshootingPrinter Moves But Does Not Printn Check the ink tanks. If empty, replace them.n Ensure that the ink tanks snap into place when you install them.n If there is plenty of ink but the printer does not print, clean the print head.After cleaning the print head, print the nozzle check pattern to check that ink is beingoutput normally. á Print Head Cleaningá Printing the Nozzle Check PatternIf the problem is not resolved by cleaning the print head several times, the print head maybe worn out. Contact a Canon service facility.n Check the protective tape has been removed from the print head.Ensure that you align the print head after removing the tape and reinstalling the printhead.For details on print head alignment, refer to "Straight Lines are Misaligned".